diff --git a/app/Controllers/BaseController.php b/app/Controllers/BaseController.php
index a0e6098..d637a00 100644
--- a/app/Controllers/BaseController.php
+++ b/app/Controllers/BaseController.php
@@ -206,7 +206,11 @@ abstract class BaseController extends Controller
             'admin',
             'administrator',
             'administrative staff',
+            'parent',
             'principal',
+            'teacher',
+            'teacher assistant',
+            'teacher_assistant',
             'vice principal',
         ]);
     }
diff --git a/app/Controllers/ClassProgressController.php b/app/Controllers/ClassProgressController.php
index 859f308..64f4cb7 100644
--- a/app/Controllers/ClassProgressController.php
+++ b/app/Controllers/ClassProgressController.php
@@ -54,6 +54,7 @@ class ClassProgressController extends BaseController
 
     public function create()
     {
+        $context = $this->resolveSchoolYearContext();
         $teacherId = (int) session()->get('user_id');
         $assignments = $this->loadTeacherSections($teacherId);
         $first = $assignments[0] ?? null;
@@ -76,12 +77,15 @@ class ClassProgressController extends BaseController
             'classId' => $classId,
             'sundayOptions' => $sundayOptions,
             'defaultWeekStart' => $defaultWeekStart,
+            'isSchoolYearReadonly' => $context->isReadonly(),
         ];
         return view('teacher/class_progress_submit', $data);
     }
 
     public function store()
     {
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
+        [, $schoolYear] = $this->resolveCurrentTerm();
         $subjectSections = self::SUBJECT_SECTIONS;
         $rules = [
             'class_section_id' => 'required|integer',
@@ -132,8 +136,9 @@ class ClassProgressController extends BaseController
             ->select('id')
             ->where('class_section_id', $classSectionId)
             ->where('week_start', $weekStart)
-            ->where('teacher_id', $teacherId)
-            ->findAll();
+            ->where('teacher_id', $teacherId);
+        $this->applyProgressSchoolYearScope($existingReports, $schoolYear);
+        $existingReports = $existingReports->findAll();
 
         if (! $confirmOverwrite && ! empty($existingReports)) {
             return redirect()->back()
@@ -175,7 +180,7 @@ class ClassProgressController extends BaseController
                 'homework' => $homework ?: null,
                 'status' => $status,
                 'flags_json' => $this->normalizeFlags($this->request->getPost('flags')),
-            ];
+            ] + $this->progressReportSchoolYearData($schoolYear);
 
             $reportId = $this->reportModel->insert($data, true);
             $attachmentField = "attachment_$slug";
@@ -198,6 +203,7 @@ class ClassProgressController extends BaseController
     public function history()
     {
         $teacherId = (int) session()->get('user_id');
+        [$semester, $schoolYear] = $this->resolveCurrentTerm();
         $assignments = $this->loadTeacherSections($teacherId);
         $selectedSectionId = (int) $this->request->getGet('class_section_id');
         $validSectionIds = array_column($assignments, 'class_section_id');
@@ -207,7 +213,6 @@ class ClassProgressController extends BaseController
         if ($selectedSectionId && ! in_array($selectedSectionId, $validSectionIds, true)) {
             $selectedSectionId = $validSectionIds[0] ?? null;
         }
-        [$semester, $schoolYear] = $this->resolveCurrentTerm();
         $allowedTeacherIds = $this->resolveAssignedTeacherIds($selectedSectionId, $semester, $schoolYear);
         if (empty($allowedTeacherIds)) {
             $allowedTeacherIds = [$teacherId];
@@ -217,6 +222,7 @@ class ClassProgressController extends BaseController
             ->join('classSection cs', 'cs.class_section_id = class_progress_reports.class_section_id', 'left')
             ->join('users u', 'u.id = class_progress_reports.teacher_id', 'left')
             ->whereIn('teacher_id', $allowedTeacherIds);
+        $this->applyProgressSchoolYearScope($builder, $schoolYear, true);
         if ($selectedSectionId) {
             $builder->where('class_progress_reports.class_section_id', $selectedSectionId);
         }
@@ -251,24 +257,27 @@ class ClassProgressController extends BaseController
             'subjectSections' => self::SUBJECT_SECTIONS,
             'classSectionOptions' => $sectionOptions,
             'selectedSectionId' => $selectedSectionId,
+            'schoolYear' => $schoolYear,
+            'isSchoolYearReadonly' => $this->resolveSchoolYearContext()->isReadonly(),
         ]);
     }
 
     public function view($id)
     {
         $teacherId = (int) session()->get('user_id');
-        $row = $this->reportModel
+        [$semester, $schoolYear] = $this->resolveCurrentTerm();
+        $rowQuery = $this->reportModel
             ->select('class_progress_reports.*, cs.class_section_name, CONCAT(IFNULL(u.firstname, ""), " ", IFNULL(u.lastname, "")) AS teacher_name')
             ->join('classSection cs', 'cs.class_section_id = class_progress_reports.class_section_id', 'left')
             ->join('users u', 'u.id = class_progress_reports.teacher_id', 'left')
-            ->where('class_progress_reports.id', (int) $id)
-            ->first();
+            ->where('class_progress_reports.id', (int) $id);
+        $this->applyProgressSchoolYearScope($rowQuery, $schoolYear, true);
+        $row = $rowQuery->first();
 
         if (! $row) {
             throw new PageNotFoundException('Progress report not found.');
         }
 
-        [$semester, $schoolYear] = $this->resolveCurrentTerm();
         $allowedTeacherIds = $this->resolveAssignedTeacherIds((int) $row['class_section_id'], $semester, $schoolYear);
         if (empty($allowedTeacherIds)) {
             if ($teacherId !== (int) $row['teacher_id']) {
@@ -286,7 +295,9 @@ class ClassProgressController extends BaseController
             ->join('users u', 'u.id = class_progress_reports.teacher_id', 'left')
             ->whereIn('teacher_id', $allowedTeacherIds)
             ->where('class_progress_reports.class_section_id', $row['class_section_id'])
-            ->where('week_start', $row['week_start'])
+            ->where('week_start', $row['week_start']);
+        $this->applyProgressSchoolYearScope($weeklyReportsQuery, $schoolYear);
+        $weeklyReports = $weeklyReportsQuery
             ->orderBy('subject', 'ASC')
             ->findAll();
 
@@ -313,17 +324,18 @@ class ClassProgressController extends BaseController
     public function edit($id)
     {
         $teacherId = (int) session()->get('user_id');
-        $row = $this->reportModel
+        [$semester, $schoolYear] = $this->resolveCurrentTerm();
+        $rowQuery = $this->reportModel
             ->select('class_progress_reports.*, cs.class_section_name')
             ->join('classSection cs', 'cs.class_section_id = class_progress_reports.class_section_id', 'left')
-            ->where('class_progress_reports.id', (int) $id)
-            ->first();
+            ->where('class_progress_reports.id', (int) $id);
+        $this->applyProgressSchoolYearScope($rowQuery, $schoolYear);
+        $row = $rowQuery->first();
 
         if (! $row) {
             throw new PageNotFoundException('Progress report not found.');
         }
 
-        [$semester, $schoolYear] = $this->resolveCurrentTerm();
         $allowedTeacherIds = $this->resolveAssignedTeacherIds((int) $row['class_section_id'], $semester, $schoolYear);
         if (empty($allowedTeacherIds)) {
             if ($teacherId !== (int) $row['teacher_id']) {
@@ -338,7 +350,9 @@ class ClassProgressController extends BaseController
             ->select('class_progress_reports.*')
             ->whereIn('teacher_id', $allowedTeacherIds)
             ->where('class_section_id', $row['class_section_id'])
-            ->where('week_start', $row['week_start'])
+            ->where('week_start', $row['week_start']);
+        $this->applyProgressSchoolYearScope($weeklyReportsQuery, $schoolYear);
+        $weeklyReports = $weeklyReportsQuery
             ->orderBy('subject', 'ASC')
             ->findAll();
 
@@ -405,18 +419,23 @@ class ClassProgressController extends BaseController
             'isEdit' => true,
             'formAction' => base_url('teacher/progress/update/' . (int) $row['id']),
             'submitLabel' => 'Update Progress',
+            'isSchoolYearReadonly' => $this->resolveSchoolYearContext()->isReadonly(),
         ]);
     }
 
     public function update($id)
     {
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
         $teacherId = (int) session()->get('user_id');
-        $row = $this->reportModel->find((int) $id);
+        [$semester, $schoolYear] = $this->resolveCurrentTerm();
+        $rowQuery = $this->reportModel
+            ->where('class_progress_reports.id', (int) $id);
+        $this->applyProgressSchoolYearScope($rowQuery, $schoolYear);
+        $row = $rowQuery->first();
         if (! $row) {
             throw new PageNotFoundException('Progress report not found.');
         }
 
-        [$semester, $schoolYear] = $this->resolveCurrentTerm();
         $allowedTeacherIds = $this->resolveAssignedTeacherIds((int) $row['class_section_id'], $semester, $schoolYear);
         if (empty($allowedTeacherIds)) {
             if ($teacherId !== (int) $row['teacher_id']) {
@@ -473,8 +492,9 @@ class ClassProgressController extends BaseController
                 ->select('id')
                 ->where('class_section_id', $classSectionId)
                 ->where('week_start', $weekStart)
-                ->where('teacher_id', $teacherId)
-                ->findAll();
+                ->where('teacher_id', $teacherId);
+            $this->applyProgressSchoolYearScope($conflicts, $schoolYear);
+            $conflicts = $conflicts->findAll();
             if (! $confirmOverwrite && ! empty($conflicts)) {
                 return redirect()->back()
                     ->withInput()
@@ -497,7 +517,9 @@ class ClassProgressController extends BaseController
             ->select('class_progress_reports.*')
             ->whereIn('teacher_id', $allowedTeacherIds)
             ->where('class_section_id', $classSectionId)
-            ->where('week_start', $row['week_start'])
+            ->where('week_start', $row['week_start']);
+        $this->applyProgressSchoolYearScope($weeklyReportsQuery, $schoolYear);
+        $weeklyReports = $weeklyReportsQuery
             ->orderBy('subject', 'ASC')
             ->findAll();
 
@@ -533,7 +555,7 @@ class ClassProgressController extends BaseController
                 'unit_title' => $unitTitle,
                 'covered' => $covered,
                 'homework' => $homework ?: null,
-            ];
+            ] + $this->progressReportSchoolYearData($schoolYear);
             if ($flagsInput !== null) {
                 $data['flags_json'] = $this->normalizeFlags($flagsInput);
             }
@@ -698,8 +720,7 @@ class ClassProgressController extends BaseController
 
     protected function loadTeacherSections(int $teacherId): array
     {
-        $schoolYear = (string) ($this->configModel->getConfig('school_year') ?? '');
-        $semester = (string) ($this->configModel->getConfig('semester') ?? '');
+        [$semester, $schoolYear] = $this->resolveCurrentTerm();
         return $this->teacherClassModel->getClassAssignmentsByUserId($teacherId, $schoolYear, $semester);
     }
 
@@ -878,7 +899,7 @@ class ClassProgressController extends BaseController
 
     protected function resolveProgressDateRange(): ?array
     {
-        $schoolYear = (string) ($this->configModel->getConfig('school_year') ?? '');
+        $schoolYear = $this->currentSchoolYearName((string) ($this->configModel->getConfig('school_year') ?? ''));
         if ($schoolYear === '') {
             return null;
         }
@@ -946,11 +967,65 @@ class ClassProgressController extends BaseController
 
     protected function resolveCurrentTerm(): array
     {
-        $schoolYear = (string) ($this->configModel->getConfig('school_year') ?? '');
+        $schoolYear = $this->currentSchoolYearName((string) ($this->configModel->getConfig('school_year') ?? ''));
         $semester = (string) ($this->configModel->getConfig('semester') ?? '');
         return [$semester, $schoolYear];
     }
 
+    protected function applyProgressSchoolYearScope($builder, string $schoolYear, bool $canScopeBySection = false): void
+    {
+        if ($schoolYear === '') {
+            return;
+        }
+
+        $db = db_connect();
+        $hasReportYear = $db->fieldExists('school_year', 'class_progress_reports');
+        $hasSectionYear = $db->fieldExists('school_year', 'classSection');
+        $semesterResolver = new SemesterRangeService($this->configModel);
+        [$rangeStart, $rangeEnd] = $semesterResolver->getSchoolYearRange($schoolYear);
+
+        if ($hasReportYear) {
+            if ($rangeStart !== '' && $rangeEnd !== '') {
+                $builder
+                    ->groupStart()
+                        ->where('class_progress_reports.school_year', $schoolYear)
+                        ->orGroupStart()
+                            ->groupStart()
+                                ->where('class_progress_reports.school_year IS NULL', null, false)
+                                ->orWhere('class_progress_reports.school_year', '')
+                            ->groupEnd()
+                            ->where('class_progress_reports.week_start >=', $rangeStart)
+                            ->where('class_progress_reports.week_start <=', $rangeEnd)
+                        ->groupEnd()
+                    ->groupEnd();
+                return;
+            }
+
+            $builder->where('class_progress_reports.school_year', $schoolYear);
+            return;
+        }
+
+        if ($canScopeBySection && $hasSectionYear) {
+            $builder->where('cs.school_year', $schoolYear);
+            return;
+        }
+
+        if ($rangeStart !== '' && $rangeEnd !== '') {
+            $builder
+                ->where('class_progress_reports.week_start >=', $rangeStart)
+                ->where('class_progress_reports.week_start <=', $rangeEnd);
+        }
+    }
+
+    protected function progressReportSchoolYearData(string $schoolYear): array
+    {
+        if ($schoolYear === '' || ! db_connect()->fieldExists('school_year', 'class_progress_reports')) {
+            return [];
+        }
+
+        return ['school_year' => $schoolYear];
+    }
+
     protected function resolveAssignedTeacherIds(?int $classSectionId, string $semester, string $schoolYear): array
     {
         if (! $classSectionId || $schoolYear === '') {
diff --git a/app/Controllers/ParentProgressController.php b/app/Controllers/ParentProgressController.php
index de6f577..94ce102 100644
--- a/app/Controllers/ParentProgressController.php
+++ b/app/Controllers/ParentProgressController.php
@@ -29,6 +29,7 @@ class ParentProgressController extends BaseController
 
     public function index()
     {
+        $schoolYear = $this->currentSchoolYearName();
         $students = $this->getParentStudents();
         $sectionIds = array_values(array_unique(array_filter(array_map(
             static fn (array $student): int => (int) ($student['class_section_id'] ?? 0),
@@ -42,7 +43,8 @@ class ParentProgressController extends BaseController
                 ->select('class_progress_reports.*, cs.class_section_name, CONCAT(IFNULL(u.firstname, ""), " ", IFNULL(u.lastname, "")) AS teacher_name')
                 ->join('classSection cs', 'cs.class_section_id = class_progress_reports.class_section_id', 'left')
                 ->join('users u', 'u.id = class_progress_reports.teacher_id', 'left')
-                ->whereIn('class_progress_reports.class_section_id', $sectionIds);
+                ->whereIn('class_progress_reports.class_section_id', $sectionIds)
+                ->where('class_progress_reports.school_year', $schoolYear);
 
             $rows = $builder
                 ->orderBy('week_start', 'DESC')
@@ -75,10 +77,12 @@ class ParentProgressController extends BaseController
 
     public function view($id)
     {
+        $schoolYear = $this->currentSchoolYearName();
         $row = $this->reportModel
             ->select('class_progress_reports.*, cs.class_section_name, CONCAT(IFNULL(u.firstname, ""), " ", IFNULL(u.lastname, "")) AS teacher_name')
             ->join('classSection cs', 'cs.class_section_id = class_progress_reports.class_section_id', 'left')
             ->join('users u', 'u.id = class_progress_reports.teacher_id', 'left')
+            ->where('class_progress_reports.school_year', $schoolYear)
             ->find((int) $id);
 
         if (! $row || ! $this->isSectionAccessible($row['class_section_id'] ?? null)) {
@@ -92,6 +96,7 @@ class ParentProgressController extends BaseController
             ->select('class_progress_reports.*')
             ->where('class_section_id', $row['class_section_id'])
             ->where('week_start', $row['week_start'])
+            ->where('school_year', $schoolYear)
             ->orderBy('subject', 'ASC')
             ->findAll();
 
@@ -165,6 +170,7 @@ class ParentProgressController extends BaseController
         $rows = $this->enrollmentModel
             ->select('class_section_id')
             ->where('parent_id', $parentId)
+            ->where('school_year', $this->currentSchoolYearName())
             ->where('is_withdrawn', 0)
             ->groupBy('class_section_id')
             ->findAll();
@@ -213,6 +219,7 @@ class ParentProgressController extends BaseController
             ->join('students s', 's.id = e.student_id')
             ->join('classSection cs', 'cs.class_section_id = e.class_section_id', 'left')
             ->where('e.parent_id', $parentId)
+            ->where('e.school_year', $this->currentSchoolYearName())
             ->where('e.is_withdrawn', 0)
             ->orderBy('e.updated_at', 'DESC')
             ->orderBy('e.created_at', 'DESC')
diff --git a/app/Controllers/ParentReportCardController.php b/app/Controllers/ParentReportCardController.php
index c0665a2..776057e 100644
--- a/app/Controllers/ParentReportCardController.php
+++ b/app/Controllers/ParentReportCardController.php
@@ -31,7 +31,7 @@ class ParentReportCardController extends BaseController
             return redirect()->back()->with('error', 'Unable to retrieve student data. Please contact support.');
         }
 
-        $schoolYear = trim((string) ($this->request->getGet('school_year') ?? $this->currentSchoolYearName()));
+        $schoolYear = trim((string) $this->currentSchoolYearName());
         $semester = trim((string) ($this->request->getGet('semester') ?? $this->configModel->getConfig('semester') ?? ''));
 
         $builder = $this->db->table('students s')
@@ -82,7 +82,7 @@ class ParentReportCardController extends BaseController
             throw new PageNotFoundException('Student not found.');
         }
 
-        $schoolYear = trim((string) ($this->request->getGet('school_year') ?? $this->currentSchoolYearName()));
+        $schoolYear = trim((string) $this->currentSchoolYearName());
         $semester = trim((string) ($this->request->getGet('semester') ?? $this->configModel->getConfig('semester') ?? ''));
 
         $this->touchAcknowledgement($parentId, (int) $studentId, $schoolYear, $semester, [
diff --git a/app/Controllers/PrintRequests.php b/app/Controllers/PrintRequests.php
index 7802ed5..4979191 100644
--- a/app/Controllers/PrintRequests.php
+++ b/app/Controllers/PrintRequests.php
@@ -12,6 +12,7 @@ use App\Models\TeacherClassModel;
 use App\Models\AdminNotificationSubjectModel;
 use App\Models\NotificationModel;
 use App\Models\UserNotificationModel;
+use App\Services\SemesterRangeService;
 use CodeIgniter\Exceptions\PageNotFoundException;
 
 class PrintRequests extends BaseController
@@ -46,18 +47,26 @@ class PrintRequests extends BaseController
     public function teacher_index()
     {
         $teacher_id = session()->get('user_id');
+        $context = $this->resolveSchoolYearContext();
+        $schoolYear = $context->yearName();
         
-        $data['print_requests'] = $this->printRequestModel
+        $printRequestsQuery = $this->printRequestModel
             ->select('print_requests.*, admins.firstname as admin_firstname, admins.lastname as admin_lastname')
             ->join('users as admins', 'admins.id = print_requests.admin_id', 'left')
-            ->where('print_requests.teacher_id', $teacher_id)
+            ->join('classSection cs', 'cs.class_section_id = print_requests.class_id', 'left')
+            ->where('print_requests.teacher_id', $teacher_id);
+        $this->applyPrintRequestSchoolYearScope($printRequestsQuery, $schoolYear);
+        $data['print_requests'] = $printRequestsQuery
+            ->orderBy('print_requests.required_by', 'DESC')
+            ->orderBy('print_requests.id', 'DESC')
             ->findAll();
 
-        $teacher_classes = $this->teacherClassModel->getClassByTeacherId($teacher_id);
+        $teacher_classes = $this->teacherClassModel->getClassAssignmentsByUserId((int) $teacher_id, $schoolYear);
         $data['class_id'] = !empty($teacher_classes) ? $teacher_classes[0]['class_section_id'] : null;
         $dateOptions = $this->buildRequiredByOptions();
         $data['sundays'] = $dateOptions['sundays'];
         $data['times'] = $dateOptions['times'];
+        $data['isSchoolYearReadonly'] = $context->isReadonly();
 
         return view('print_requests/teacher_index', $data);
     }
@@ -94,6 +103,9 @@ class PrintRequests extends BaseController
 
     public function create()
     {
+        $context = $this->resolveSchoolYearContext();
+        $this->assertSchoolYearWritable($context);
+        $schoolYear = $context->yearName();
         $validationRules = [
             'file' => 'uploaded[file]|max_size[file,5120]|ext_in[file,pdf,jpg,png,jpeg,doc,docx,txt]',
             'page_selection' => 'permit_empty|regex_match[/^\\s*\\d+(?:\\s*-\\s*\\d+)?(?:\\s*,\\s*\\d+(?:\\s*-\\s*\\d+)?)*\\s*$/]',
@@ -125,7 +137,7 @@ class PrintRequests extends BaseController
             'required_by' => $this->request->getPost('required_by'),
             'pickup_method' => $this->request->getPost('pickup_method'),
             'status' => 'not_assigned',
-        ];
+        ] + $this->printRequestSchoolYearData($schoolYear);
 
         $printRequestId = (int) $this->printRequestModel->insert($data, true);
         if ($printRequestId > 0) {
@@ -175,6 +187,7 @@ class PrintRequests extends BaseController
 
         // Case 2: Teacher edit
         if ($this->request->getPost('num_copies')) {
+            $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
             $user_id = session()->get('user_id');
             if ($request['teacher_id'] != $user_id) {
                 return redirect()->to('teacher/print-requests')->with('error', 'You are not authorized to edit this request.');
@@ -230,6 +243,7 @@ class PrintRequests extends BaseController
     
     public function delete($id)
     {
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
         $teacher_id = session()->get('user_id');
         $request = $this->printRequestModel->find($id);
 
@@ -260,6 +274,9 @@ class PrintRequests extends BaseController
     public function copy($id)
     {
         $teacher_id = session()->get('user_id');
+        $context = $this->resolveSchoolYearContext();
+        $this->assertSchoolYearWritable($context);
+        $schoolYear = $context->yearName();
         $request = $this->printRequestModel->find($id);
 
         if (!$request) {
@@ -296,7 +313,7 @@ class PrintRequests extends BaseController
             'required_by' => $request['required_by'],
             'pickup_method' => $request['pickup_method'],
             'status' => 'not_assigned',
-        ];
+        ] + $this->printRequestSchoolYearData($schoolYear);
 
         $copiedId = (int) $this->printRequestModel->insert($data, true);
         if ($copiedId > 0) {
@@ -308,6 +325,9 @@ class PrintRequests extends BaseController
 
     public function createCopy()
     {
+        $context = $this->resolveSchoolYearContext();
+        $this->assertSchoolYearWritable($context);
+        $schoolYear = $context->yearName();
         $validationRules = [
             'num_copies' => 'required|integer|greater_than[0]',
             'required_by' => 'required|valid_date',
@@ -329,7 +349,7 @@ class PrintRequests extends BaseController
             'required_by' => $this->request->getPost('required_by'),
             'pickup_method' => $this->request->getPost('pickup_method'),
             'status' => 'not_assigned',
-        ];
+        ] + $this->printRequestSchoolYearData($schoolYear);
 
         $printRequestId = (int) $this->printRequestModel->insert($data, true);
         if ($printRequestId > 0) {
@@ -374,6 +394,95 @@ class PrintRequests extends BaseController
         ];
     }
 
+    private function applyPrintRequestSchoolYearScope($query, string $schoolYear): void
+    {
+        if ($schoolYear === '') {
+            return;
+        }
+
+        $hasPrintRequestYear = $this->printRequestsHaveSchoolYearColumn();
+        $hasClassSectionYear = db_connect()->fieldExists('school_year', 'classSection');
+        $range = (new SemesterRangeService($this->configModel))->getSchoolYearRange($schoolYear);
+        [$rangeStart, $rangeEnd] = $range;
+
+        if ($hasPrintRequestYear && $hasClassSectionYear) {
+            $query->groupStart()
+                ->where('print_requests.school_year', $schoolYear)
+                ->orGroupStart()
+                    ->groupStart()
+                        ->where('print_requests.school_year IS NULL', null, false)
+                        ->orWhere('print_requests.school_year', '')
+                    ->groupEnd()
+                    ->where('cs.school_year', $schoolYear)
+                ->groupEnd();
+
+            if ($rangeStart !== '' && $rangeEnd !== '') {
+                $query
+                    ->orGroupStart()
+                        ->groupStart()
+                            ->where('print_requests.school_year IS NULL', null, false)
+                            ->orWhere('print_requests.school_year', '')
+                        ->groupEnd()
+                        ->groupStart()
+                            ->where('cs.school_year IS NULL', null, false)
+                            ->orWhere('cs.school_year', '')
+                        ->groupEnd()
+                        ->where('print_requests.required_by >=', $rangeStart . ' 00:00:00')
+                        ->where('print_requests.required_by <=', $rangeEnd . ' 23:59:59')
+                    ->groupEnd();
+            }
+
+            $query->groupEnd();
+            return;
+        }
+
+        if (! $hasPrintRequestYear && $hasClassSectionYear) {
+            $query->where('cs.school_year', $schoolYear);
+            return;
+        }
+
+        if ($rangeStart !== '' && $rangeEnd !== '') {
+            if ($hasPrintRequestYear) {
+                $query
+                    ->groupStart()
+                        ->where('print_requests.school_year', $schoolYear)
+                        ->orGroupStart()
+                            ->groupStart()
+                                ->where('print_requests.school_year IS NULL', null, false)
+                                ->orWhere('print_requests.school_year', '')
+                            ->groupEnd()
+                            ->where('print_requests.required_by >=', $rangeStart . ' 00:00:00')
+                            ->where('print_requests.required_by <=', $rangeEnd . ' 23:59:59')
+                        ->groupEnd()
+                    ->groupEnd();
+                return;
+            }
+
+            $query
+                ->where('print_requests.required_by >=', $rangeStart . ' 00:00:00')
+                ->where('print_requests.required_by <=', $rangeEnd . ' 23:59:59');
+            return;
+        }
+
+        if ($hasPrintRequestYear) {
+            $query->where('print_requests.school_year', $schoolYear);
+        }
+    }
+
+    private function printRequestSchoolYearData(string $schoolYear): array
+    {
+        if ($schoolYear === '' || ! $this->printRequestsHaveSchoolYearColumn()) {
+            return [];
+        }
+
+        return ['school_year' => $schoolYear];
+    }
+
+    private function printRequestsHaveSchoolYearColumn(): bool
+    {
+        return db_connect()->fieldExists('school_year', 'print_requests');
+    }
+
     public function serveFile(string $filename, string $mode = 'inline')
     {
         $safeName = basename(trim($filename));
diff --git a/app/Controllers/View/ExamDraftController.php b/app/Controllers/View/ExamDraftController.php
index f4862f6..c0ecf44 100644
--- a/app/Controllers/View/ExamDraftController.php
+++ b/app/Controllers/View/ExamDraftController.php
@@ -91,6 +91,9 @@ class ExamDraftController extends BaseController
 
     public function teacherIndex()
     {
+        $this->syncAcademicContext();
+        $context = $this->resolveSchoolYearContext();
+
         $teacherId = (int) (session()->get('user_id') ?? 0);
         if ($teacherId <= 0) {
             return redirect()->to('/login');
@@ -175,11 +178,15 @@ class ExamDraftController extends BaseController
             'maxUploadBytes' => self::MAX_UPLOAD_BYTES,
             'validation' => $validation,
             'printableDraftIds' => $printableIds,
+            'isSchoolYearReadonly' => $context->isReadonly(),
         ]);
     }
 
     public function teacherStore()
     {
+        $this->syncAcademicContext();
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
+
         $teacherId = (int) (session()->get('user_id') ?? 0);
         if ($teacherId <= 0) {
             return redirect()->to('/login');
@@ -193,10 +200,13 @@ class ExamDraftController extends BaseController
             return redirect()->back()->withInput()->with('error', 'Select a class section before submitting.');
         }
 
-        $assignment = $this->teacherClassModel
+        $assignmentQuery = $this->teacherClassModel
             ->where('teacher_id', $teacherId)
-            ->where('class_section_id', $classSectionId)
-            ->first();
+            ->where('class_section_id', $classSectionId);
+        if ($this->schoolYear !== '') {
+            $assignmentQuery->where('school_year', $this->schoolYear);
+        }
+        $assignment = $assignmentQuery->first();
 
         if (empty($assignment)) {
             return redirect()->back()->withInput()->with('error', 'You are not assigned to the selected class section.');
@@ -785,6 +795,8 @@ class ExamDraftController extends BaseController
 
     public function teacherStatusFeed()
     {
+        $this->syncAcademicContext();
+
         $teacherId = (int) (session()->get('user_id') ?? 0);
         if ($teacherId <= 0) {
             return $this->response->setStatusCode(401);
@@ -848,6 +860,8 @@ class ExamDraftController extends BaseController
             ->join('classSection cs', 'cs.class_section_id = exam_drafts.class_section_id', 'left')
             ->join('users u', 'u.id = exam_drafts.' . $this->authorIdColumn, 'left');
 
+        $this->applyExamDraftYearScope($query);
+
         if (empty($classSectionIds)) {
             return $query->where('exam_drafts.' . $this->authorIdColumn, $teacherId);
         }
@@ -859,19 +873,25 @@ class ExamDraftController extends BaseController
                 ->where('exam_drafts.' . $this->authorIdColumn . ' !=', $teacherId)
                 ->where('exam_drafts.status !=', 'draft');
 
-        if ($this->schoolYear !== '') {
-            $query->where('exam_drafts.school_year', $this->schoolYear);
-        }
-        if ($this->semester !== '') {
-            $query->where('exam_drafts.semester', $this->semester);
-        }
-
         $query->groupEnd()
             ->groupEnd();
 
         return $query;
     }
 
+    private function syncAcademicContext(): void
+    {
+        $this->schoolYear = $this->currentSchoolYearName((string) ($this->configModel->getConfig('school_year') ?? ''));
+        $this->semester = (string) ($this->configModel->getConfig('semester') ?? '');
+    }
+
+    private function applyExamDraftYearScope($query): void
+    {
+        if ($this->schoolYear !== '') {
+            $query->where('exam_drafts.school_year', $this->schoolYear);
+        }
+    }
+
     private function attachTeacherDraftContext(array $row, int $viewerId): array
     {
         $isOwn = $this->draftTeacherId($row) === $viewerId;
diff --git a/app/Controllers/View/GradingController.php b/app/Controllers/View/GradingController.php
index 1f271b4..967020c 100644
--- a/app/Controllers/View/GradingController.php
+++ b/app/Controllers/View/GradingController.php
@@ -1065,13 +1065,7 @@ class GradingController extends Controller
 
 public function belowSixty()
 {
-    $configuredYear = (string) $this->schoolYear;
-
-    $schoolYear = trim((string)($this->request->getGet('school_year') ?? ''));
-
-    if ($schoolYear === '') {
-        $schoolYear = $configuredYear;
-    }
+    $schoolYear = $this->currentSchoolYearName((string) $this->schoolYear);
 
     // This page is Fall only.
     $semester   = 'fall';
@@ -1124,6 +1118,16 @@ public function belowSixty()
         'canViewGrading' => $canViewGrading,
     ]);
 }
+
+    private function currentSchoolYearName(?string $fallback = null): string
+    {
+        try {
+            return service('schoolYearContext')->resolve($this->request)->yearName();
+        } catch (\Throwable) {
+            return trim((string) ($fallback ?? ''));
+        }
+    }
+
     public function editBelowSixtyEmail()
     {
         $studentId = (int)$this->request->getGet('student_id');
diff --git a/app/Controllers/View/HomeworkController.php b/app/Controllers/View/HomeworkController.php
index b0a238d..7ea2104 100644
--- a/app/Controllers/View/HomeworkController.php
+++ b/app/Controllers/View/HomeworkController.php
@@ -5,7 +5,7 @@ namespace App\Controllers\View;
 use App\Models\HomeworkModel;
 use App\Models\StudentModel;
 use App\Models\StudentClassModel;
-use CodeIgniter\Controller;
+use App\Controllers\BaseController;
 use App\Models\TeacherClassModel;
 use App\Models\ConfigurationModel;
 use App\Models\UserModel;
@@ -16,7 +16,7 @@ use App\Controllers\View\GradingController;
 use App\Models\GradingLockModel;
 use App\Models\MissingScoreOverrideModel;
 
-class HomeworkController extends Controller
+class HomeworkController extends BaseController
 {
     protected $db;
     protected $semesterScoreService;
@@ -59,11 +59,12 @@ class HomeworkController extends Controller
         }
     }
 
-    public function updateHomeworkScores(array $scores = null, int $updatedBy = null, int $classSectionId = null)
+    public function updateHomeworkScores(?array $scores = null, ?int $updatedBy = null, ?int $classSectionId = null)
     {
         $scores = $this->request->getPost('scores');
         $semester = $this->request->getPost('semester') ?? $this->semester;
-        $schoolYear = $this->request->getPost('school_year') ?? $this->schoolYear;
+        $schoolYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
 
         if ($updatedBy === null) {
             $updatedBy = session()->get('user_id');
@@ -195,6 +196,8 @@ class HomeworkController extends Controller
         $selectedSemester = $this->getSelectedSemester();
         $normalized = $this->normalizeSemesterSelection($selectedSemester);
         $semesterLabel = $normalized !== '' ? ucfirst($normalized) : $selectedSemester;
+        $schoolYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
 
         // Step 1: Get the highest existing homework_index
         $existingIndexes = $this->homeworkModel
@@ -202,7 +205,7 @@ class HomeworkController extends Controller
             ->where('class_section_id', $classSectionId)
             //->where('teacher_id', $updatedBy)
             ->whereIn('semester', $this->getSemesterVariants($semesterLabel))
-            ->where('school_year', $this->schoolYear)
+            ->where('school_year', $schoolYear)
             ->groupBy('homework_index')
             ->orderBy('homework_index', 'DESC')
             ->findAll();
@@ -219,6 +222,7 @@ class HomeworkController extends Controller
         // Step 2: Get all students in the class
         $students = $this->studentClassModel
             ->where('class_section_id', $classSectionId)
+            ->where('school_year', $schoolYear)
             ->findAll();
 
         // Step 3: Insert a new homework row for each student if not already exists
@@ -233,7 +237,7 @@ class HomeworkController extends Controller
                 ->where('class_section_id', $classSectionId)
                 //->where('teacher_id', $updatedBy)
                 ->whereIn('semester', $this->getSemesterVariants($semesterLabel))
-                ->where('school_year', $this->schoolYear)
+                ->where('school_year', $schoolYear)
                 ->first();
 
             if ($existing) continue;
@@ -246,7 +250,7 @@ class HomeworkController extends Controller
                 'homework_index'   => $nextIndex,
                 'score'            => null,
                 'semester'         => $semesterLabel,
-                'school_year'      => $this->schoolYear,
+                'school_year'      => $schoolYear,
                 'created_at'       => utc_now(),
                 'updated_at'       => utc_now()
             ];
@@ -269,15 +273,23 @@ class HomeworkController extends Controller
     public function showHomework()
     {
         $updatedBy = session()->get('user_id');
-        $classSectionId = $this->getClassSectionIdForTeacher($updatedBy);
+        $semester = $this->getSelectedSemester();
+        $schoolYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
+        $classSectionId = (int) (
+            $this->request->getGet('class_section_id')
+            ?? $this->request->getPost('class_section_id')
+            ?? 0
+        );
+        if ($classSectionId <= 0) {
+            $classSectionId = (int) ($this->getClassSectionIdForTeacher($updatedBy, $schoolYear, $semester) ?? 0);
+        }
         if (!$classSectionId) {
             return redirect()->back()->with('status', 'No class section found for the current teacher.');
         }
 
         session()->set('class_section_id', $classSectionId);
 
-        $semester = $this->getSelectedSemester();
-        $homeworkHeaders = $this->getHomeworkHeaders($classSectionId, $semester, $this->schoolYear);
+        $homeworkHeaders = $this->getHomeworkHeaders($classSectionId, $semester, $schoolYear);
         if (empty($homeworkHeaders)) {
             $homeworkHeaders = [1];
         }
@@ -285,15 +297,15 @@ class HomeworkController extends Controller
             $classSectionId,
             $homeworkHeaders,
             $semester,
-            $this->schoolYear
+            $schoolYear
         );
-        $missingOkMap = $this->missingScoreOverrideModel->getOverridesMap($classSectionId, $semester, $this->schoolYear, 'homework');
+        $missingOkMap = $this->missingScoreOverrideModel->getOverridesMap($classSectionId, $semester, $schoolYear, 'homework');
 
         return view('teacher/add_homework', [
             'students'         => $students,
             'homeworkHeaders'  => $homeworkHeaders,
             'semester'         => $semester,
-            'schoolYear'       => $this->schoolYear,
+            'schoolYear'       => $schoolYear,
             'class_section_id' => $classSectionId,
             'missingOkMap'     => $missingOkMap,
         ]);
@@ -503,9 +515,16 @@ class HomeworkController extends Controller
         return $students;
     }
 
-    private function getClassSectionIdForTeacher($updatedBy)
+    private function getClassSectionIdForTeacher($updatedBy, ?string $schoolYear = null, ?string $semester = null)
     {
-        $class = $this->teacherClassModel->where('teacher_id', $updatedBy)->first();
+        $builder = $this->teacherClassModel->where('teacher_id', $updatedBy);
+        if ($schoolYear !== null && $schoolYear !== '') {
+            $builder->where('school_year', $schoolYear);
+        }
+        if ($semester !== null && $semester !== '') {
+            $builder->where('semester', $semester);
+        }
+        $class = $builder->first();
         return $class['class_section_id'] ?? null;
     }
 
diff --git a/app/Controllers/View/InvoiceController.php b/app/Controllers/View/InvoiceController.php
index d9a205d..692adca 100644
--- a/app/Controllers/View/InvoiceController.php
+++ b/app/Controllers/View/InvoiceController.php
@@ -1644,23 +1644,8 @@ private function getGradeLevel($grade): array
             return redirect()->back()->with('error', 'Unable to retrieve student data. Please contact support.');
         }
 
-        $currentSchoolYear = $this->schoolYear;
-
-        // Get available school years from invoices
-        $schoolYears = $this->invoiceModel
-            ->select('school_year')
-            ->distinct()
-            ->where('parent_id', $parentId)
-            ->orderBy('school_year', 'DESC')
-            ->findAll();
-
-        // Determine which year to show
-        $selectedYear = $this->request->getGet('school_year');
-
-        if (empty($selectedYear)) {
-            $hasCurrentYear = in_array($currentSchoolYear, array_column($schoolYears, 'school_year'));
-            $selectedYear = $hasCurrentYear ? $currentSchoolYear : (!empty($schoolYears) ? $schoolYears[0]['school_year'] : null);
-        }
+        $currentSchoolYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
+        $selectedYear = $currentSchoolYear;
 
         // Fetch invoices for the selected year
         $invoices = [];
@@ -1718,7 +1703,6 @@ private function getGradeLevel($grade): array
 
         return view('/parent/invoice_payment', [
             'invoices' => $invoices,
-            'schoolYears' => $schoolYears,
             'selectedYear' => $selectedYear,
             'currentSchoolYear' => $currentSchoolYear,
             'dueDate' => $this->dueDate,
diff --git a/app/Controllers/View/ParentAttendanceReportController.php b/app/Controllers/View/ParentAttendanceReportController.php
index ec1119f..a48bd0d 100644
--- a/app/Controllers/View/ParentAttendanceReportController.php
+++ b/app/Controllers/View/ParentAttendanceReportController.php
@@ -58,7 +58,7 @@ class ParentAttendanceReportController extends BaseController
         [$sundays, $defaultDate] = $this->computeSundays();
 
         // Load upcoming reports for preview/edit (today and forward within this school year)
-        $schoolYear = (string) $this->configModel->getConfig('school_year');
+        $schoolYear = $this->currentSchoolYearName((string) ($this->configModel->getConfig('school_year') ?? ''));
         $todayYmd   = local_date(utc_now(), 'Y-m-d');
         $previewRows = $this->reportModel->builder()
             ->select('parent_attendance_reports.*, s.firstname, s.lastname')
@@ -141,6 +141,7 @@ class ParentAttendanceReportController extends BaseController
         $dismissTime = $post['dismiss_time'] ?? null;
         $reasonRaw   = $post['reason'] ?? null;
         $reason      = is_string($reasonRaw) ? trim($reasonRaw) : null;
+        $schoolYear  = $this->currentSchoolYearName((string) ($this->configModel->getConfig('school_year') ?? ''));
 
         // Enforce Sunday-only and future-or-today selection
         $todayCheck = new \DateTime('today');
@@ -157,7 +158,7 @@ class ParentAttendanceReportController extends BaseController
         }
         $validDates = [];
 
-        $cap = $this->firstSundayOfJune((string) $this->configModel->getConfig('school_year'));
+        $cap = $this->firstSundayOfJune($schoolYear);
 
         $lateCutoff = null;
         $lateNow = null;
@@ -236,7 +237,6 @@ class ParentAttendanceReportController extends BaseController
         // Upper bound already enforced by $validDates building
 
         $semester    = (string) $this->configModel->getConfig('semester');
-        $schoolYear  = (string) $this->configModel->getConfig('school_year');
         $semesterResolver = new SemesterRangeService($this->configModel);
 
         $inserted        = 0;
@@ -493,7 +493,7 @@ class ParentAttendanceReportController extends BaseController
         }
 
         // Upper bound: first Sunday of June (school year end)
-        $schoolYear = (string) $this->configModel->getConfig('school_year');
+        $schoolYear = $this->currentSchoolYearName((string) ($this->configModel->getConfig('school_year') ?? ''));
         $cap        = $this->firstSundayOfJune($schoolYear);
 
         $dates = [];
@@ -1458,12 +1458,15 @@ class ParentAttendanceReportController extends BaseController
             return $this->response->setJSON(['ok' => true, 'students' => []]);
         }
 
+        $schoolYear = $this->currentSchoolYearName((string) ($this->configModel->getConfig('school_year') ?? ''));
+
         // Fetch existing submissions for these students on this date
         $rows = $this->reportModel->builder()
             ->select('parent_attendance_reports.student_id, parent_attendance_reports.type, parent_attendance_reports.report_date, s.firstname, s.lastname')
             ->join('students s', 's.id = parent_attendance_reports.student_id', 'left')
             ->whereIn('parent_attendance_reports.report_date', $dateValues)
             ->whereIn('parent_attendance_reports.student_id', $studentIds)
+            ->where('parent_attendance_reports.school_year', $schoolYear)
             ->get()->getResultArray();
 
         $map = [];
diff --git a/app/Controllers/View/ParentController.php b/app/Controllers/View/ParentController.php
index 6118574..27cb8eb 100644
--- a/app/Controllers/View/ParentController.php
+++ b/app/Controllers/View/ParentController.php
@@ -164,10 +164,7 @@ class ParentController extends BaseController
                 return redirect()->back()->with('error', 'Parent session not found.');
             }
 
-            $currentSchoolYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
-
-            // Get selected school year (no semester filter on parent view)
-            $selectedYear = $this->request->getVar('school_year') ?? $currentSchoolYear;
+            $selectedYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
 
             // Build query to retrieve attendance
             $builder = $this->db->table('attendance_data');
@@ -180,19 +177,10 @@ class ParentController extends BaseController
             $query = $builder->get();
             $attendanceResults = $query->getResultArray();
 
-            // Get list of available school years
-            $schoolYears = $this->db->table('attendance_data')
-                ->select('school_year')
-                ->distinct()
-                ->orderBy('school_year', 'DESC')
-                ->get()
-                ->getResultArray();
-
             // If no records found, set a flag to show message in the view
             if (empty($attendanceResults)) {
                 return view('/parent/attendance', [
                     'attendance' => null,
-                    'schoolYears' => $schoolYears,
                     'selectedYear' => $selectedYear,
                     'selectedSemester' => null,
                     //'error' => 'No attendance records found for the selected school year and semester.'
@@ -202,7 +190,6 @@ class ParentController extends BaseController
             // Return view with attendance results
             return view('/parent/attendance', [
                 'attendance' => $attendanceResults,
-                'schoolYears' => $schoolYears,
                 'selectedYear' => $selectedYear,
                 'selectedSemester' => null,
                 'error' => null
@@ -212,7 +199,6 @@ class ParentController extends BaseController
 
             return view('/parent/attendance', [
                 'attendance' => null,
-                'schoolYears' => [],
                 'selectedYear' => $selectedYear ?? null,
                 'selectedSemester' => null,
                 'error' => 'Failed to retrieve attendance data. Please try again later.'
@@ -269,9 +255,9 @@ class ParentController extends BaseController
                 return redirect()->back()->with('error', 'Configuration error: School year missing.');
             }
 
-            // Get selected school year from request or fallback
-            $selectedYear = $this->request->getGet('school_year') ?? $this->schoolYear;
-            $isEditable = ($selectedYear === $this->schoolYear);
+            $context = $this->resolveSchoolYearContext();
+            $selectedYear = $context->yearName();
+            $isEditable = ! $context->isReadonly();
 
             // Get parent ID from session
             $parentId = session()->get('user_id');
@@ -370,22 +356,9 @@ class ParentController extends BaseController
                 );
             }
 
-            // Fetch available school years
-            $schoolYears = $this->db->table('enrollments')
-                ->select('school_year')
-                ->distinct()
-                ->orderBy('school_year', 'DESC')
-                ->get()
-                ->getResultArray();
-
-            if (empty($schoolYears)) {
-                $schoolYears[] = ['school_year' => $this->schoolYear];
-            }
-
             // Render view
             return view('/parent/enroll_classes', [
                 'students' => $students,
-                'schoolYears' => $schoolYears,
                 'selectedYear' => $selectedYear,
                 'isEditable' => $isEditable,
                 'withdrawalDeadline' => $this->withdrawalDeadline,
diff --git a/app/Controllers/View/ProjectController.php b/app/Controllers/View/ProjectController.php
index 69c2901..9152cf5 100644
--- a/app/Controllers/View/ProjectController.php
+++ b/app/Controllers/View/ProjectController.php
@@ -5,7 +5,7 @@ namespace App\Controllers\View;
 use App\Models\ProjectModel;
 use App\Models\StudentModel;
 use App\Models\StudentClassModel;
-use CodeIgniter\Controller;
+use App\Controllers\BaseController;
 use App\Models\TeacherClassModel;
 use App\Models\ConfigurationModel;
 use RuntimeException;
@@ -15,7 +15,7 @@ use App\Models\GradingLockModel;
 use App\Models\MissingScoreOverrideModel;
 
 
-class ProjectController extends Controller
+class ProjectController extends BaseController
 {
     protected $db;
     protected ConfigurationModel $configModel;
@@ -42,16 +42,26 @@ class ProjectController extends Controller
         $studentModel = new StudentModel();
         $projectModel = new ProjectModel();
 
-        $teacherClass = $teacherClassModel->where('teacher_id', $updatedBy)->first();
-        if (!$teacherClass) {
-            return redirect()->back()->with('status', 'No class section found for the current teacher.');
-        }
-
-        $classSectionId = $teacherClass['class_section_id'];
-        session()->set('class_section_id', $classSectionId);
-
         $semester = $this->getTeacherSelectedSemester();
         $schoolYear = $this->getTeacherSchoolYear();
+        $classSectionId = (int) (
+            $this->request->getGet('class_section_id')
+            ?? $this->request->getPost('class_section_id')
+            ?? 0
+        );
+        if ($classSectionId <= 0) {
+            $teacherClass = $teacherClassModel
+                ->where('teacher_id', $updatedBy)
+                ->where('school_year', $schoolYear)
+                ->where('semester', $semester)
+                ->first();
+            if (!$teacherClass) {
+                return redirect()->back()->with('status', 'No class section found for the current teacher.');
+            }
+            $classSectionId = (int) $teacherClass['class_section_id'];
+        }
+
+        session()->set('class_section_id', $classSectionId);
 
         $projectRows = $projectModel
             ->select('id, project_index')
@@ -71,6 +81,7 @@ class ProjectController extends Controller
         $studentsClasses = $studentClassModel
             ->active()
             ->where('student_class.class_section_id', $classSectionId)
+            ->where('student_class.school_year', $schoolYear)
             ->findAll();
         $students = [];
 
@@ -115,7 +126,7 @@ class ProjectController extends Controller
         ]);
     }
 
-    public function updateProjectScores(array $scores = null, int $updatedBy = null, int $classSectionId = null)
+    public function updateProjectScores(?array $scores = null, ?int $updatedBy = null, ?int $classSectionId = null)
     {
         $scores = $this->request->getPost('scores');
         $projectModel = new ProjectModel();
@@ -127,6 +138,7 @@ class ProjectController extends Controller
         $classSectionId = session()->get('class_section_id');
         $semester = $this->getTeacherSelectedSemester();
         $schoolYear = $this->getTeacherSchoolYear();
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
         $classSectionId = (int) ($classSectionId ?? 0);
         if ($classSectionId > 0 && $this->isScoresLocked($classSectionId, $semester, $schoolYear)) {
             return redirect()->back()->with('error', 'Scores are locked for this class. Unlock to edit.');
@@ -190,7 +202,8 @@ class ProjectController extends Controller
                     'student_id' => $studentId,
                     'project_index' => $index,
                     'class_section_id' => $classSectionId,
-                    'semester' => $semester
+                    'semester' => $semester,
+                    'school_year' => $schoolYear,
                 ])->first();
 
                 $data = [
@@ -231,6 +244,7 @@ class ProjectController extends Controller
         $classSectionId = session()->get('class_section_id');
         $semester = $this->getTeacherSelectedSemester();
         $schoolYear = $this->getTeacherSchoolYear();
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
 
         $projectModel = new ProjectModel();
         $studentClassModel = new StudentClassModel();
@@ -257,6 +271,7 @@ class ProjectController extends Controller
         $students = $studentClassModel
             ->active()
             ->where('student_class.class_section_id', $classSectionId)
+            ->where('student_class.school_year', $schoolYear)
             ->findAll();
 
         foreach ($students as $student) {
@@ -533,6 +548,6 @@ class ProjectController extends Controller
 
     private function getTeacherSchoolYear(): string
     {
-        return (string) $this->schoolYear;
+        return $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
     }
 }
diff --git a/app/Controllers/View/QuizController.php b/app/Controllers/View/QuizController.php
index 88923eb..602b59f 100644
--- a/app/Controllers/View/QuizController.php
+++ b/app/Controllers/View/QuizController.php
@@ -2,7 +2,7 @@
 
 namespace App\Controllers\View;
 
-use CodeIgniter\Controller;
+use App\Controllers\BaseController;
 use App\Models\TeacherClassModel;
 use App\Models\StudentClassModel;
 use App\Models\StudentModel;
@@ -17,7 +17,7 @@ use Config\Services;
 use App\Models\GradingLockModel;
 use App\Models\MissingScoreOverrideModel;
 
-class QuizController extends Controller
+class QuizController extends BaseController
 {
     protected $db;
     protected $semesterScoreService;
@@ -50,7 +50,7 @@ class QuizController extends Controller
         $this->missingScoreOverrideModel = new MissingScoreOverrideModel();
     }
 
-    public function updateQuizScores(array $scores = null, int $updatedBy = null, int $classSectionId = null)
+    public function updateQuizScores(?array $scores = null, ?int $updatedBy = null, ?int $classSectionId = null)
     {
         $scores = $this->request->getPost('scores');
         log_message('error', '✅ Raw Scores: ' . print_r($scores, true));
@@ -60,7 +60,8 @@ class QuizController extends Controller
         }
         $classSectionId = $this->request->getPost('class_section_id') ?? session()->get('class_section_id');
         $semester = $this->request->getPost('semester') ?? $this->getTeacherSelectedSemester();
-        $schoolYear = $this->request->getPost('school_year') ?? $this->schoolYear;
+        $schoolYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
         $classSectionId = (int) ($classSectionId ?? 0);
         if ($classSectionId > 0 && $this->isScoresLocked($classSectionId, $semester, $schoolYear)) {
             return redirect()->back()->with('error', 'Scores are locked for this class. Unlock to edit.');
@@ -206,7 +207,7 @@ class QuizController extends Controller
 
         // 3) Headers: distinct quiz_index for this class/term
         $semester = $this->getTeacherSelectedSemester();
-        $schoolYear = $this->schoolYear;
+        $schoolYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
         $quizHeaderRows = $this->quizModel->select('quiz_index')
             ->where('class_section_id', $classSectionId)
             ->where('school_year', $schoolYear)
@@ -272,9 +273,9 @@ class QuizController extends Controller
             'students'       => $students,
             'quizHeaders'    => $quizHeaders,  // e.g., [1,2,3]
             'semester'       => $semester,
-            'schoolYear'     => $this->schoolYear,
+            'schoolYear'     => $schoolYear,
             'classSectionId' => $classSectionId,
-            'missingOkMap'   => $this->missingScoreOverrideModel->getOverridesMap($classSectionId, $semester, $this->schoolYear, 'quiz'),
+            'missingOkMap'   => $this->missingScoreOverrideModel->getOverridesMap($classSectionId, $semester, $schoolYear, 'quiz'),
         ]);
     }
 
@@ -294,7 +295,8 @@ class QuizController extends Controller
         try {
 
         $semester = $this->getTeacherSelectedSemester();
-        $schoolYear = $this->schoolYear;
+        $schoolYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
+        $this->assertSchoolYearWritable($this->resolveSchoolYearContext());
         $existingQuizNumbers = $this->quizModel
             ->select('quiz_index')
             ->where('class_section_id', $classSectionId)
@@ -323,6 +325,7 @@ class QuizController extends Controller
 
             $students = $this->studentClassModel
                 ->where('class_section_id', $classSectionId)
+                ->where('school_year', $schoolYear)
                 ->findAll();
 
             if (empty($students)) {
@@ -341,8 +344,8 @@ class QuizController extends Controller
                         'quiz_index'      => $nextQuizNumber,
                         'class_section_id' => $classSectionId,
                         'updated_by'       => $updatedBy,
-                        'semester'         => $this->semester,
-                        'school_year'      => $this->schoolYear,
+                        'semester'         => $semester,
+                        'school_year'      => $schoolYear,
                     ])
                     ->first();
 
diff --git a/app/Controllers/View/ScoreCommentController.php b/app/Controllers/View/ScoreCommentController.php
index a1390b4..3c8a259 100644
--- a/app/Controllers/View/ScoreCommentController.php
+++ b/app/Controllers/View/ScoreCommentController.php
@@ -46,9 +46,11 @@ class ScoreCommentController extends BaseController
 
     public function saveComments()
     {
+        $schoolYearContext = $this->resolveSchoolYearContext();
+        $this->assertSchoolYearWritable($schoolYearContext);
         $comments = $this->request->getPost('comments');
         $classSectionId = (int)($this->request->getPost('class_section_id') ?? session()->get('class_section_id') ?? 0);
-        $schoolYear = (string) ($this->request->getPost('school_year') ?? $this->schoolYear);
+        $schoolYear = $schoolYearContext->yearName();
         $rawSelectedSemester = $this->request->getPost('selected_semester');
         $normalizedSelected = $this->normalizeSemesterSelection($rawSelectedSemester);
         if ($normalizedSelected !== '') {
diff --git a/app/Controllers/View/ScoreController.php b/app/Controllers/View/ScoreController.php
index 13950e2..f4a89d8 100644
--- a/app/Controllers/View/ScoreController.php
+++ b/app/Controllers/View/ScoreController.php
@@ -2,7 +2,7 @@
 
 namespace App\Controllers\View;
 
-use CodeIgniter\Controller;
+use App\Controllers\BaseController;
 use App\Models\TeacherClassModel;
 use App\Models\StudentClassModel;
 use App\Models\StudentModel;
@@ -28,7 +28,7 @@ use App\Models\MissingScoreOverrideModel;
 
 
 
-class ScoreController extends Controller
+class ScoreController extends BaseController
 {
     protected $semesterScoreService;
     protected $db;
@@ -88,6 +88,8 @@ class ScoreController extends Controller
     public function index()
     {
         log_message('debug', 'ScoreController::index invoked');
+        $schoolYearContext = $this->resolveSchoolYearContext();
+        $this->schoolYear = $schoolYearContext->yearName();
         $semesterChoiceParam = $this->request->getGet('semester_choice');
         $session = session();
         if ($this->request->getGet('choose_semester') !== null) {
@@ -139,25 +141,13 @@ class ScoreController extends Controller
         );
 
         if (empty($assignments)) {
-            // Fallback: any class regardless of term
-            $fallback = $this->teacherClassModel
-                ->where('teacher_id', $teacherId)
-                ->first();
-            if ($fallback) {
-                $assignments = [[
-                    'class_section_id'   => $fallback['class_section_id'],
-                    'class_section_name' => null,
-                    'school_year'        => $fallback['school_year'] ?? $effectiveSchoolYear,
-                    'semester'           => $fallback['semester'] ?? $effectiveSemester,
-                ]];
-                $effectiveSemester   = $fallback['semester'] ?? $effectiveSemester;
-                $effectiveSchoolYear = $fallback['school_year'] ?? $effectiveSchoolYear;
-            } else {
-                log_message('info', 'No class section assigned to teacher ID: ' . $teacherId);
-                return redirect()
-                    ->to('no-classes')
-                    ->with('message', 'You do not have an assigned class yet. Please contact the administration.');
-            }
+            log_message(
+                'info',
+                "No {$effectiveSchoolYear} {$effectiveSemester} class section assigned to teacher ID: {$teacherId}"
+            );
+            return redirect()
+                ->to('no-classes')
+                ->with('message', 'You do not have an assigned class for the selected school year and semester. Please contact the administration.');
         }
 
         $allowedIds = array_map(static fn($a) => (int)($a['class_section_id'] ?? 0), $assignments);
@@ -222,6 +212,7 @@ class ScoreController extends Controller
         $csRow = $this->db->table('classSection')
             ->select('class_section_name')
             ->where('class_section_id', $classSectionId)
+            ->where('school_year', $effectiveSchoolYear)
             ->get()->getRowArray();
         $classSectionName = $csRow['class_section_name'] ?? '';
         log_message('debug', "ScoreController::index teacher {$teacherId} classSection {$classSectionId} semester {$effectiveSemester}");
@@ -281,6 +272,7 @@ class ScoreController extends Controller
             'focusTarget' => $focusTarget,
             'schoolYear' => $effectiveSchoolYear,
             'scoresLocked' => $scoresLocked,
+            'isSchoolYearReadonly' => $schoolYearContext->isReadonly(),
         ];
 
         return view('/teacher/scores', $data);
@@ -288,11 +280,13 @@ class ScoreController extends Controller
 
     public function submitScoresLock()
     {
+        $schoolYearContext = $this->resolveSchoolYearContext();
+        $this->assertSchoolYearWritable($schoolYearContext);
         $classSectionId = (int) ($this->request->getPost('class_section_id') ?? session()->get('class_section_id') ?? 0);
         $semesterRaw = (string) ($this->request->getPost('semester') ?? $this->request->getPost('selected_semester') ?? '');
         $semesterNormalized = $this->normalizeSemester($semesterRaw);
         $semester = $semesterNormalized !== '' ? ucfirst($semesterNormalized) : $this->semester;
-        $schoolYear = (string) ($this->request->getPost('school_year') ?? $this->schoolYear);
+        $schoolYear = $schoolYearContext->yearName();
 
         if ($classSectionId <= 0 || $semester === '' || $schoolYear === '') {
             return redirect()->back()->with('error', 'Missing class section or term.');
@@ -496,6 +490,7 @@ class ScoreController extends Controller
         $studentClasses = $this->studentClassModel
             ->active()
             ->where('student_class.class_section_id', $classSectionId)
+            ->where('student_class.school_year', $schoolYear)
             ->findAll();
 
         foreach ($studentClasses as $studentClass) {
@@ -1086,6 +1081,9 @@ class ScoreController extends Controller
 
     public function updateScores(string $table, ?string $redirectUrl = null)
     {
+        $schoolYearContext = $this->resolveSchoolYearContext();
+        $this->assertSchoolYearWritable($schoolYearContext);
+        $this->schoolYear = $schoolYearContext->yearName();
         $builder = $this->db->table($table);
 
         $scores = $this->request->getPost('final_score');  // name must match input form
@@ -1322,18 +1320,7 @@ public function viewStudentScore()
         return redirect()->back()->with('error', 'Unable to retrieve student data. Please contact support.');
     }
 
-    // Handle selected school year (parents can view scores for any available year)
-    $selectedYear = $this->request->getVar('school_year') ?? $this->schoolYear;
-
-    // Fetch distinct school years only from semester_scores
-    $query = $this->db->table('semester_scores')
-        ->select('school_year')
-        ->distinct()
-        ->get();
-
-    $schoolYears = array_column($query->getResultArray(), 'school_year');
-    $schoolYears = array_unique($schoolYears);
-    rsort($schoolYears);
+    $selectedYear = $this->currentSchoolYearName((string) ($this->schoolYear ?? ''));
 
     // Initialize scores array
     $scores = [];
@@ -1402,7 +1389,6 @@ $students = $this->db->table('students')
 
     return view('/parent/scores', [
         'organizedScores' => $scores,
-        'schoolYears' => $schoolYears,
         'selectedYear' => $selectedYear,
         'semesterOrder' => ['Fall', 'Spring'],
         'showExamScores' => $releaseAny,
diff --git a/app/Models/ClassProgressReportModel.php b/app/Models/ClassProgressReportModel.php
index d5ad154..565a098 100644
--- a/app/Models/ClassProgressReportModel.php
+++ b/app/Models/ClassProgressReportModel.php
@@ -21,6 +21,7 @@ class ClassProgressReportModel extends Model
     protected $allowedFields = [
         'class_section_id',
         'teacher_id',
+        'school_year',
         'week_start',
         'week_end',
         'subject',
@@ -50,6 +51,7 @@ class ClassProgressReportModel extends Model
     protected $validationRules = [
         'class_section_id' => 'required|integer',
         'teacher_id' => 'required|integer',
+        'school_year' => 'permit_empty|string|max_length[9]',
         'week_start' => 'required|valid_date[Y-m-d]',
         'week_end' => 'required|valid_date[Y-m-d]',
         'subject' => 'required|string|max_length[160]',
diff --git a/app/Models/PrintRequestModel.php b/app/Models/PrintRequestModel.php
index 3b72cba..f9e91ad 100644
--- a/app/Models/PrintRequestModel.php
+++ b/app/Models/PrintRequestModel.php
@@ -15,6 +15,7 @@ class PrintRequestModel extends Model
         'teacher_id',
         'admin_id',
         'class_id',
+        'school_year',
         'file_path',
         'page_selection',
         'num_copies',
diff --git a/app/Models/SubjectCurriculumModel.php b/app/Models/SubjectCurriculumModel.php
index d83e308..d974e6b 100644
--- a/app/Models/SubjectCurriculumModel.php
+++ b/app/Models/SubjectCurriculumModel.php
@@ -24,11 +24,87 @@ class SubjectCurriculumModel extends Model
 
     public function getOptionsForClass(int $classId, string $subject): array
     {
-        return $this->where('class_id', $classId)
-            ->where('subject', $subject)
+        $rows = $this->orderedOptionsBuilder()
+            ->where('subject_curriculum_items.class_id', $classId)
+            ->where('subject_curriculum_items.subject', $subject)
+            ->get()
+            ->getResultArray();
+
+        if (! empty($rows)) {
+            return $rows;
+        }
+
+        $fallbackClassIds = $this->classIdsWithSameName($classId);
+        if (empty($fallbackClassIds)) {
+            return [];
+        }
+
+        $rows = $this->orderedOptionsBuilder()
+            ->whereIn('subject_curriculum_items.class_id', $fallbackClassIds)
+            ->where('subject_curriculum_items.subject', $subject)
+            ->get()
+            ->getResultArray();
+
+        return $this->uniqueCurriculumRows($rows);
+    }
+
+    private function orderedOptionsBuilder()
+    {
+        return $this->db->table($this->table)
+            ->select('subject_curriculum_items.*')
             ->orderBy('unit_number', 'ASC')
             ->orderBy("CAST(SUBSTRING_INDEX(chapter_name, '.', 1) AS UNSIGNED)", 'ASC', false)
             ->orderBy('chapter_name', 'ASC')
-            ->findAll();
+            ->orderBy('id', 'ASC');
+    }
+
+    private function classIdsWithSameName(int $classId): array
+    {
+        $class = $this->db->table('classes')
+            ->select('class_name')
+            ->where('id', $classId)
+            ->get()
+            ->getRowArray();
+
+        $className = trim((string) ($class['class_name'] ?? ''));
+        if ($className === '') {
+            return [];
+        }
+
+        $rows = $this->db->table('classes')
+            ->select('id')
+            ->where('class_name', $className)
+            ->where('id !=', $classId)
+            ->get()
+            ->getResultArray();
+
+        return array_values(array_filter(array_map(
+            static fn (array $row): int => (int) ($row['id'] ?? 0),
+            $rows
+        )));
+    }
+
+    private function uniqueCurriculumRows(array $rows): array
+    {
+        $seen = [];
+        $unique = [];
+
+        foreach ($rows as $row) {
+            $key = implode('|', [
+                (string) ($row['subject'] ?? ''),
+                (string) ($row['unit_number'] ?? ''),
+                (string) ($row['unit_title'] ?? ''),
+                (string) ($row['chapter_name'] ?? ''),
+            ]);
+
+            if (isset($seen[$key])) {
+                continue;
+            }
+
+            $seen[$key] = true;
+            $unique[] = $row;
+        }
+
+        return $unique;
     }
 }
diff --git a/app/Views/administrator/class_assignment.php b/app/Views/administrator/class_assignment.php
index b2e0e2d..82ed525 100644
--- a/app/Views/administrator/class_assignment.php
+++ b/app/Views/administrator/class_assignment.php
@@ -4,30 +4,6 @@
     <div class="wrapper">
         <div class="content"></div>
                 <h2 class="text-center mt-4 mb-3">Classes Lists</h2>
-                <form method="get" class="row g-2 align-items-center justify-content-center mb-3">
-                    <div class="col-auto">
-                        <label class="form-label mb-0">School year</label>
-                    </div>
-                    <div class="col-auto">
-                        <select name="school_year" class="form-select form-select-sm" style="min-width: 200px;">
-                            <?php if (!empty($schoolYears)): ?>
-                                <?php foreach ($schoolYears as $yearOption): ?>
-                                    <option value="<?= esc($yearOption) ?>" <?= ($selectedYear === $yearOption ? 'selected' : '') ?>>
-                                        <?= esc($yearOption) ?>
-                                    </option>
-                                <?php endforeach; ?>
-                            <?php else: ?>
-                                <option value="<?= esc($schoolYear ?? '') ?>" <?= ($selectedYear === ($schoolYear ?? '') ? 'selected' : '') ?>>
-                                    <?= esc($schoolYear ?? 'Current') ?>
-                                </option>
-                            <?php endif; ?>
-                        </select>
-                    </div>
-                    <div class="col-auto">
-                        <button type="submit" class="btn btn-secondary btn-sm">Apply</button>
-                        <a class="btn btn-outline-secondary btn-sm" href="<?= base_url('administrator/class_assignment') ?>">Reset</a>
-                    </div>
-                </form>
 
                 <?php if (session()->getFlashdata('message')): ?>
                 <div class="alert alert-success">
diff --git a/app/Views/grading/below_sixty.php b/app/Views/grading/below_sixty.php
index 8f0c369..20ce196 100644
--- a/app/Views/grading/below_sixty.php
+++ b/app/Views/grading/below_sixty.php
@@ -19,47 +19,6 @@ if (empty($schoolYears) && $schoolYear !== '') {
     <div class="wrapper below-sixty-wrapper">
         <h2 class="text-center mt-4 mb-4 below-sixty-title">Below 60 Summary</h2>
 
-        <!-- School year filter only -->
-        <div class="card shadow-sm mb-3">
-            <div class="card-body py-3">
-                <form method="get"
-                      action="<?= site_url('grading/below-60') ?>"
-                      class="row g-2 align-items-end justify-content-center">
-
-                    <input type="hidden" name="semester" value="fall">
-
-                    <div class="col-12 col-sm-auto">
-                        <label class="form-label mb-1 small fw-semibold">School Year</label>
-
-                        <?php if (!empty($schoolYears)): ?>
-                            <select name="school_year"
-                                    class="form-select form-select-sm"
-                                    style="min-width:160px;">
-                                <?php foreach ($schoolYears as $yr): ?>
-                                    <option value="<?= esc($yr) ?>" <?= (string)$yr === (string)$schoolYear ? 'selected' : '' ?>>
-                                        <?= esc($yr) ?>
-                                    </option>
-                                <?php endforeach; ?>
-                            </select>
-                        <?php else: ?>
-                            <input type="text"
-                                   name="school_year"
-                                   class="form-control form-control-sm"
-                                   style="min-width:160px;"
-                                   value="<?= esc($schoolYear) ?>"
-                                   placeholder="2025-2026">
-                        <?php endif; ?>
-                    </div>
-
-                    <div class="col-12 col-sm-auto">
-                        <button type="submit" class="btn btn-sm btn-primary">
-                            <i class="bi bi-funnel me-1"></i>Apply
-                        </button>
-                    </div>
-                </form>
-            </div>
-        </div>
-
         <div class="d-flex justify-content-between align-items-center mb-3 flex-wrap gap-2">
             <div class="text-muted">
                 Fall • <?= esc($schoolYear) ?>
@@ -478,4 +437,4 @@ if (empty($schoolYears) && $schoolYear !== '') {
     }
 })();
 </script>
-<?= $this->endSection() ?>
\ No newline at end of file
+<?= $this->endSection() ?>
diff --git a/app/Views/layout/main.php b/app/Views/layout/main.php
index 512566f..eb76e7d 100644
--- a/app/Views/layout/main.php
+++ b/app/Views/layout/main.php
@@ -23,7 +23,20 @@
 <body>
     <!-- Navbar -->
     <?php include(__DIR__ . '/../partials/navbar.php'); ?>
-    <?= view('partials/school_year_selector') ?>
+    <?php
+      $mainSchoolYearSelectorData = [];
+      if (!isset($schoolYearContext, $schoolYearOptions) && session()->get('user_id')) {
+        try {
+          $mainSchoolYearSelectorData = service('schoolYearViewData')->forCurrentRequest(service('request'));
+          $mainSchoolYearSelectorData['schoolYearSelectorEnabled'] = true;
+        } catch (\Throwable $e) {
+          log_message('warning', 'Unable to load main school-year selector: {message}', [
+            'message' => $e->getMessage(),
+          ]);
+        }
+      }
+    ?>
+    <?= view('partials/school_year_selector', $mainSchoolYearSelectorData) ?>
 
     <div class="container my-4">
         <?= $this->renderSection('content') ?>
diff --git a/app/Views/layout/main_layout.php b/app/Views/layout/main_layout.php
index 639af9b..074988b 100644
--- a/app/Views/layout/main_layout.php
+++ b/app/Views/layout/main_layout.php
@@ -165,7 +165,20 @@ html, body { overflow-x: hidden; }
 
 <body data-app-menu-mode="<?= esc($appMenuMode) ?>">
     <?php include(__DIR__ . '/../partials/navbar.php'); ?>
-    <?= view('partials/school_year_selector') ?>
+    <?php
+      $mainSchoolYearSelectorData = [];
+      if (!isset($schoolYearContext, $schoolYearOptions) && session()->get('user_id')) {
+        try {
+          $mainSchoolYearSelectorData = service('schoolYearViewData')->forCurrentRequest(service('request'));
+          $mainSchoolYearSelectorData['schoolYearSelectorEnabled'] = true;
+        } catch (\Throwable $e) {
+          log_message('warning', 'Unable to load main school-year selector: {message}', [
+            'message' => $e->getMessage(),
+          ]);
+        }
+      }
+    ?>
+    <?= view('partials/school_year_selector', $mainSchoolYearSelectorData) ?>
 
     <?php
         $uri = service('uri');
diff --git a/app/Views/parent/attendance.php b/app/Views/parent/attendance.php
index 12d3cb4..b4f36dc 100644
--- a/app/Views/parent/attendance.php
+++ b/app/Views/parent/attendance.php
@@ -2,22 +2,10 @@
 <?= $this->section('content') ?>
 <div class="container my-5">
     <h3 class="text-center text-success" style="font-family: Arial, sans-serif;">Attendance Record</h2>
+    <?php if (!empty($selectedYear)): ?>
+        <div class="text-center text-muted small">School Year: <?= esc($selectedYear) ?></div>
+    <?php endif; ?>
 </div>
-            <!-- Filter Form -->
-
-
-<form action="" method="get" class="form-inline">
-    <div class="d-flex align-items-center">
-        <select name="school_year" id="school_year" class="form-control me-3">  <!-- Added me-3 (right margin) -->
-            <?php foreach ($schoolYears as $year): ?>
-                <option value="<?= esc($year['school_year']) ?>" <?= $selectedYear === $year['school_year'] ? 'selected' : '' ?>>
-                    <?= esc($year['school_year']) ?>
-                </option>
-            <?php endforeach; ?>
-        </select>
-        <button type="submit" class="btn btn-success">Filter</button>
-    </div>
-</form>
 
             <!-- Error Message -->
             <?php if (isset($error)): ?>
@@ -52,7 +40,7 @@
                     </tbody>
                 </table>
             <?php else: ?>
-                <div class="alert alert-info mb-3 d-inline-block">No attendance records found for the selected school year.</div>
+                <div class="alert alert-info mb-3 d-inline-block">No attendance records found for this school year.</div>
             <?php endif; ?>
         </main>
     </div>
diff --git a/app/Views/parent/enroll_classes.php b/app/Views/parent/enroll_classes.php
index a677175..20335e1 100644
--- a/app/Views/parent/enroll_classes.php
+++ b/app/Views/parent/enroll_classes.php
@@ -2,21 +2,11 @@
 <?= $this->section('content') ?>
 <div class="container my-5">
     <h3 class="text-center text-success" style="font-family: Arial, sans-serif;">Enroll in Classes</h3>
+    <?php if (!empty($selectedYear)): ?>
+        <div class="text-center text-muted small">School Year: <?= esc($selectedYear) ?></div>
+    <?php endif; ?>
 </div>
 
-<!-- School Year Filter -->
-<form action="<?= base_url('/parent/enroll_classes') ?>" method="get" class="form-inline mb-3">
-    <div class="d-flex align-items-center">
-        <select name="school_year" id="school_year" class="form-control me-3">
-            <?php foreach ($schoolYears as $year): ?>
-                <option value="<?= esc($year['school_year']) ?>" <?= $selectedYear === $year['school_year'] ? 'selected' : '' ?>>
-                    <?= esc($year['school_year']) ?>
-                </option>
-            <?php endforeach; ?>
-        </select>
-        <button type="submit" class="btn btn-success">Filter</button>
-    </div>
-</form>
 <?php
 // Put this near the very top of the file (before output), or right after the extend/section lines.
 $tz = (string) (config('School')->attendance['timezone'] ?? user_timezone());
diff --git a/app/Views/parent/invoice_payment.php b/app/Views/parent/invoice_payment.php
index 927d573..4f66211 100644
--- a/app/Views/parent/invoice_payment.php
+++ b/app/Views/parent/invoice_payment.php
@@ -63,24 +63,11 @@ if (!function_exists('parseDbDateTime')) {
 
 <div class="container my-5">
     <h3 class="text-center text-success" style="font-family: Arial, sans-serif;">Invoices and Payments</h3>
+    <?php if (!empty($selectedYear)): ?>
+        <div class="text-center text-muted small">School Year: <?= esc($selectedYear) ?></div>
+    <?php endif; ?>
 </div>
 
-<!-- School Year Filter -->
-<form action="<?= base_url('/parent/invoice_payment') ?>" method="get" class="form-inline mb-3">
-    <div class="d-flex align-items-center justify-content-center">
-        <select name="school_year" id="school_year" class="form-control me-3">
-            <?php foreach ($schoolYears as $year): ?>
-                <option value="<?= esc($year['school_year']) ?>"
-                    <?= ($selectedYear === $year['school_year']) ? 'selected' : '' ?>
-                    <?= ($currentSchoolYear === $year['school_year']) ? 'data-current="true"' : '' ?>>
-                    <?= esc($year['school_year']) ?><?= ($currentSchoolYear === $year['school_year']) ? ' (Current)' : '' ?>
-                </option>
-            <?php endforeach; ?>
-        </select>
-        <button type="submit" class="btn btn-success">Filter</button>
-    </div>
-</form>
-
 <!-- Display Payment Notice / Deadline -->
 <?php
 $displayTz = user_timezone();
@@ -198,7 +185,7 @@ $deadline = parseDbDateTime($dueDate, 'UTC', $displayTz); // format either DATE
     <?php endif; ?>
 <?php else: ?>
     <div class="alert alert-info mb-3 d-inline-block">
-        No invoice found for the selected school year.
+        No invoice found for this school year.
     </div>
 <?php endif; ?>
 
@@ -208,18 +195,6 @@ $deadline = parseDbDateTime($dueDate, 'UTC', $displayTz); // format either DATE
 
 <?= $this->section('scripts') ?>
 <script>
-    document.addEventListener('DOMContentLoaded', function() {
-        const dropdown = document.getElementById('school_year');
-        const options = dropdown.options;
-        for (let i = 0; i < options.length; i++) {
-            if (options[i].dataset.current === "true") {
-                options[i].style.fontWeight = 'bold';
-                if (!dropdown.value) dropdown.selectedIndex = i;
-                break;
-            }
-        }
-    });
-
     function showPaymentDevelopmentMessage(event) {
         event.preventDefault();
         alert('The payment method is currently under development. Please contact the school administration at alrahma.isgl@gmail.com');
diff --git a/app/Views/parent/scores.php b/app/Views/parent/scores.php
index f7cdd0e..be68bca 100644
--- a/app/Views/parent/scores.php
+++ b/app/Views/parent/scores.php
@@ -3,24 +3,12 @@
 <div class="container my-5">
     <div class="d-flex flex-wrap align-items-center justify-content-between gap-2">
         <h3 class="text-success mb-0" style="font-family: Arial, sans-serif;">Scores</h3>
+        <?php if (!empty($selectedYear)): ?>
+            <div class="text-muted small">School Year: <?= esc($selectedYear) ?></div>
+        <?php endif; ?>
     </div>
 </div>
 
-<!-- Filter Form -->
-<form action="" method="get" class="form-inline">
-    <div class="d-flex align-items-center">
-        <select name="school_year" id="school_year" class="form-control me-3"> <!-- Added me-3 (right margin) -->
-            <?php foreach ($schoolYears as $year): ?>
-                <option value="<?= esc($year) ?>" <?= $selectedYear === $year ? 'selected' : '' ?>>
-                    <?= esc($year) ?>
-                </option>
-            <?php endforeach; ?>
-        </select>
-        <button type="submit" class="btn btn-success">Filter</button>
-    </div>
-</form>
-
-
 <!-- Scores Table -->
 <?php $yearScores = $organizedScores[$selectedYear] ?? []; ?>
 <?php $semesterOrder = $semesterOrder ?? ['Fall', 'Spring']; ?>
@@ -104,12 +92,10 @@ $showExamScoresBySemester = $showExamScoresBySemester ?? [];
                                                         <?php
                                                             $reportStudentId = (int) ($student['student_id'] ?? 0);
                                                             if ($reportStudentId > 0) {
-                                                                $reportYear = (string) ($selectedYear ?? '');
                                                                 $reportSemester = (string) ($semester ?? '');
                                                                 $reportDate = date('Y-m-d');
                                                                 $reportUrl = base_url('parent/report-cards/view/' . $reportStudentId);
                                                                 $query = http_build_query([
-                                                                    'school_year' => $reportYear,
                                                                     'semester' => $reportSemester,
                                                                     'report_date' => $reportDate,
                                                                 ]);
diff --git a/app/Views/print_requests/teacher_index.php b/app/Views/print_requests/teacher_index.php
index 09921e8..d40e841 100644
--- a/app/Views/print_requests/teacher_index.php
+++ b/app/Views/print_requests/teacher_index.php
@@ -1,10 +1,16 @@
 <?= $this->extend('layout/main_layout') ?>
 <?= $this->section('content') ?>
+<?php $isSchoolYearReadonly = (bool) ($isSchoolYearReadonly ?? false); ?>
 
 <div class="container-fluid py-5">
     <div class="row">
         <div class="col-md-12">
             <h2>Print/Copy Requests</h2>
+            <?php if ($isSchoolYearReadonly): ?>
+                <div class="alert alert-warning">
+                    This school year is read-only. Existing requests are visible, but changes are disabled.
+                </div>
+            <?php endif; ?>
 
             <!-- Print/Copy Request Tabs -->
             <div class="card my-4">
@@ -109,7 +115,7 @@
                                             You are not assigned to any class. Please contact the administrator to be able to submit print requests.
                                         </div>
                                     <?php endif; ?>
-                                    <button type="submit" class="btn btn-primary mt-3" <?= (!isset($class_id) || !$class_id) ? 'disabled' : '' ?>>Submit Request</button>
+                                    <button type="submit" class="btn btn-primary mt-3" <?= (!isset($class_id) || !$class_id || $isSchoolYearReadonly) ? 'disabled' : '' ?>>Submit Request</button>
                                 </div>
                             </div>
                         </form>
@@ -164,7 +170,7 @@
                             <div class="form-text mt-2">
                                 No file upload is required; please hand the original document to the copy staff after submitting.
                             </div>
-                            <button type="submit" class="btn btn-outline-primary mt-3">Submit Copy Request</button>
+                            <button type="submit" class="btn btn-outline-primary mt-3" <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>Submit Copy Request</button>
                         </form>
                     </div>
                 </div>
@@ -241,10 +247,10 @@
                                         </td>
                                         <td>
                                             <div class="d-flex flex-wrap gap-1">
-                                                <?php if (in_array($request['status'], ['not_assigned', 'assigned'])): ?>
+                                                <?php if (!$isSchoolYearReadonly && in_array($request['status'], ['not_assigned', 'assigned'])): ?>
                                                     <button type="button" class="btn btn-sm btn-warning mb-1" onclick='editRequest(<?= json_encode($request, JSON_HEX_APOS | JSON_HEX_QUOT) ?>)'>Edit</button>
                                                 <?php endif; ?>
-                                                <?php if ($request['status'] === 'not_assigned'): ?>
+                                                <?php if (!$isSchoolYearReadonly && $request['status'] === 'not_assigned'): ?>
                                                     <button type="button" class="btn btn-sm btn-danger mb-1" onclick="deleteRequest(<?= $request['id'] ?>)">Delete</button>
                                                 <?php endif; ?>
                                             </div>
@@ -328,7 +334,7 @@
                 </div>
                 <div class="modal-footer">
                     <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
-                    <button type="submit" class="btn btn-primary">Save changes</button>
+                    <button type="submit" class="btn btn-primary" <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>Save changes</button>
                 </div>
             </form>
         </div>
diff --git a/app/Views/student/score_card_list.php b/app/Views/student/score_card_list.php
index 5ee36ae..025ce9f 100644
--- a/app/Views/student/score_card_list.php
+++ b/app/Views/student/score_card_list.php
@@ -7,21 +7,6 @@
       <h2 class="mb-0">Student Score Card</h2>
       <div class="text-muted small">Select a student to open their score card.</div>
     </div>
-    <?php
-      $roleRaw = session()->get('role');
-      if (is_array($roleRaw)) {
-          $roleRaw = $roleRaw[0] ?? 'guest';
-      }
-      $role = strtolower((string)($roleRaw ?? 'guest'));
-      if (in_array($role, ['parent', 'parent_dashboard'], true)) {
-          $backUrl = base_url('/parent_dashboard');
-      } elseif (in_array($role, ['teacher', 'teacher_assistant', 'teacher_dashboard'], true)) {
-          $backUrl = base_url('/teacher_dashboard');
-      } else {
-          $backUrl = base_url('/');
-      }
-    ?>
-    <a href="<?= $backUrl ?>" class="btn btn-outline-secondary">Back</a>
   </div>
 
   <?php if (empty($students)): ?>
diff --git a/app/Views/teacher/class_progress_history.php b/app/Views/teacher/class_progress_history.php
index 3630835..2026196 100644
--- a/app/Views/teacher/class_progress_history.php
+++ b/app/Views/teacher/class_progress_history.php
@@ -1,12 +1,17 @@
 <?= $this->extend('layout/main_layout') ?>
 <?= $this->section('content') ?>
+<?php $isSchoolYearReadonly = (bool) ($isSchoolYearReadonly ?? false); ?>
   <div class="container py-4">
   <div class="d-flex align-items-center justify-content-between mb-3">
     <div>
       <h3 class="mb-0">Class Progress Reports</h3>
       <div class="text-muted">Review weekly submissions and compare Islamic Studies with Quran/Arabic.</div>
     </div>
-    <a href="<?= base_url('teacher/progress/submit') ?>" class="btn btn-outline-secondary">Submit New Report</a>
+    <?php if ($isSchoolYearReadonly): ?>
+      <span class="btn btn-outline-secondary disabled" aria-disabled="true">Submit New Report</span>
+    <?php else: ?>
+      <a href="<?= base_url('teacher/progress/submit') ?>" class="btn btn-outline-secondary">Submit New Report</a>
+    <?php endif; ?>
   </div>
 
   <?php
@@ -15,6 +20,9 @@
     $classSectionOptions = $classSectionOptions ?? [];
     $selectedSectionId = $selectedSectionId ?? null;
   ?>
+  <?php if ($isSchoolYearReadonly): ?>
+    <div class="alert alert-warning">This school year is read-only. Progress submissions can be viewed but not changed.</div>
+  <?php endif; ?>
   <?php if (!empty($classSectionOptions)): ?>
     <form method="get" class="mb-3 row g-2 align-items-center">
       <div class="col-auto">
@@ -90,7 +98,9 @@
                 <td class="text-end">
                   <?php if ($exampleReport): ?>
                     <a href="<?= base_url('teacher/progress/view/' . $exampleReport['id']) ?>" class="btn btn-sm btn-outline-primary">View Weekly Details</a>
-                    <a href="<?= base_url('teacher/progress/edit/' . $exampleReport['id']) ?>" class="btn btn-sm btn-outline-secondary ms-1">Edit</a>
+                    <?php if (!$isSchoolYearReadonly): ?>
+                      <a href="<?= base_url('teacher/progress/edit/' . $exampleReport['id']) ?>" class="btn btn-sm btn-outline-secondary ms-1">Edit</a>
+                    <?php endif; ?>
                   <?php endif; ?>
                 </td>
               </tr>
diff --git a/app/Views/teacher/class_progress_submit.php b/app/Views/teacher/class_progress_submit.php
index 3a909cc..91452a0 100644
--- a/app/Views/teacher/class_progress_submit.php
+++ b/app/Views/teacher/class_progress_submit.php
@@ -11,6 +11,7 @@
   $weekStartSelected = set_value('week_start', $defaultWeekStart);
   $weekEndValue = set_value('week_end', $existingWeekEnd ?? '');
   $existingReports = $existingReports ?? [];
+  $isSchoolYearReadonly = (bool) ($isSchoolYearReadonly ?? false);
   if (!$weekEndValue && $weekStartSelected) {
       try {
           $dt = new \DateTime($weekStartSelected);
@@ -58,6 +59,9 @@
   <?php if (session()->getFlashdata('error')): ?>
     <div class="alert alert-danger"><?= esc(session()->getFlashdata('error')) ?></div>
   <?php endif; ?>
+  <?php if ($isSchoolYearReadonly): ?>
+    <div class="alert alert-warning">This school year is read-only. Progress submissions are disabled.</div>
+  <?php endif; ?>
   <?php if (session()->getFlashdata('errors')): ?>
     <div class="alert alert-danger">
       <ul class="mb-0">
@@ -142,7 +146,8 @@
                   <button type="button"
                     class="btn btn-sm btn-outline-dark"
                     data-add-unit-chapter
-                    data-subject="<?= esc($slug) ?>">
+                    data-subject="<?= esc($slug) ?>"
+                    <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>
                     <?= $slug === 'quran' ? '+ Add Surah, Arabic Subject' : '+ Add Unit, Chapter' ?>
                   </button>
                   <div class="subject-curriculum-list position-absolute d-none border rounded shadow-sm bg-white mt-1" id="curriculumList-<?= esc($slug) ?>" style="min-width: 220px; z-index: 5;">
@@ -170,7 +175,8 @@
                           data-subject="<?= esc($slug) ?>"
                           data-unit-number="<?= esc($unitNumber) ?>"
                           data-unit-title="<?= esc($unitTitle) ?>"
-                          data-chapter="<?= esc($chapterName) ?>">
+                          data-chapter="<?= esc($chapterName) ?>"
+                          <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>
                           <?= esc($display) ?>
                         </button>
                       <?php endforeach; ?>
@@ -179,7 +185,7 @@
                       <div class="px-2 py-2 border-top">
                         <div class="input-group input-group-sm">
                           <input type="text" class="form-control" placeholder="Custom Surah" data-custom-input data-subject="<?= esc($slug) ?>">
-                          <button type="button" class="btn btn-outline-secondary" data-custom-entry data-subject="<?= esc($slug) ?>">Add</button>
+                          <button type="button" class="btn btn-outline-secondary" data-custom-entry data-subject="<?= esc($slug) ?>" <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>Add</button>
                         </div>
                         <div class="form-text small text-muted">Add a custom Surah or Arabic target.</div>
                       </div>
@@ -187,7 +193,7 @@
                       <div class="px-2 py-2 border-top">
                         <div class="input-group input-group-sm">
                           <input type="text" class="form-control" placeholder="Type subject or topic" data-custom-input data-subject="<?= esc($slug) ?>">
-                          <button type="button" class="btn btn-outline-secondary" data-custom-entry data-subject="<?= esc($slug) ?>">Add</button>
+                          <button type="button" class="btn btn-outline-secondary" data-custom-entry data-subject="<?= esc($slug) ?>" <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>Add</button>
                         </div>
                         <div class="form-text small text-muted">Add a subject or unit not listed above (e.g. Seerah, Fiqh, Akhlaq).</div>
                       </div>
@@ -206,7 +212,7 @@
                     <input type="text" name="chapter_<?= esc($slug) ?>[]" class="form-control form-control-sm" placeholder="Chapter" value="<?= esc($chapterValues[$i] ?? '') ?>" readonly>
                   </div>
                   <div class="col-auto">
-                    <button type="button" class="btn btn-outline-danger btn-sm" data-remove-unit-chapter aria-label="Remove entry">X</button>
+                    <button type="button" class="btn btn-outline-danger btn-sm" data-remove-unit-chapter aria-label="Remove entry" <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>X</button>
                   </div>
                 </div>
               <?php endfor; ?>
@@ -232,7 +238,7 @@
       <div class="col">
         <div class="card shadow-sm">
           <div class="card-body d-flex flex-column">
-            <button class="btn btn-primary w-100 mt-auto" type="submit" <?= $hasClass ? '' : 'disabled' ?>><?= esc($submitLabel) ?></button>
+            <button class="btn btn-primary w-100 mt-auto" type="submit" <?= ($hasClass && !$isSchoolYearReadonly) ? '' : 'disabled' ?>><?= esc($submitLabel) ?></button>
             <?php if (! $hasClass): ?>
               <div class="text-muted small mt-2">
                 You are not assigned to a class. Contact the administrator to submit progress.
@@ -288,7 +294,7 @@
         </div>
         <div class="modal-footer">
           <button type="button" class="btn btn-outline-secondary" data-bs-dismiss="modal">Cancel</button>
-          <button type="button" class="btn btn-primary" id="confirmOverwriteButton">Override</button>
+          <button type="button" class="btn btn-primary" id="confirmOverwriteButton" <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>Override</button>
         </div>
       </div>
     </div>
diff --git a/app/Views/teacher/drafts.php b/app/Views/teacher/drafts.php
index 2c71fe2..c938161 100644
--- a/app/Views/teacher/drafts.php
+++ b/app/Views/teacher/drafts.php
@@ -10,6 +10,7 @@ $examTypes = $examTypes ?? [];
 $schoolYear = $schoolYear ?? '';
 $semester = $semester ?? '';
 $maxUploadBytes = $maxUploadBytes ?? (12 * 1024 * 1024);
+$isSchoolYearReadonly = (bool) ($isSchoolYearReadonly ?? false);
 ?>
 <style>
   .teacher-drafts-page,
@@ -48,6 +49,11 @@ $maxUploadBytes = $maxUploadBytes ?? (12 * 1024 * 1024);
         <?php if (session()->getFlashdata('error')): ?>
             <div class="alert alert-danger"><?= esc(session()->getFlashdata('error')) ?></div>
         <?php endif; ?>
+        <?php if ($isSchoolYearReadonly): ?>
+            <div class="alert alert-warning">
+                This school year is read-only. Exam draft submissions are disabled.
+            </div>
+        <?php endif; ?>
 
         <div class="card mb-4">
             <div class="card-body">
@@ -55,7 +61,7 @@ $maxUploadBytes = $maxUploadBytes ?? (12 * 1024 * 1024);
                     <?= csrf_field() ?>
                     <div class="col-md-6">
                         <label class="form-label" for="exam_type">Exam type <span class="text-danger">*</span></label>
-                        <select name="exam_type" id="exam_type" class="form-select" required>
+                        <select name="exam_type" id="exam_type" class="form-select" required <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>
                             <option value="">— Select —</option>
                             <?php foreach ($examTypes as $t): ?>
                                 <option value="<?= esc($t) ?>" <?= old('exam_type') === $t ? 'selected' : '' ?>><?= esc($t) ?></option>
@@ -64,15 +70,15 @@ $maxUploadBytes = $maxUploadBytes ?? (12 * 1024 * 1024);
                     </div>
                     <div class="col-8">
                         <label class="form-label" for="author_comment">Author comment</label>
-                        <textarea name="author_comment" id="author_comment" class="form-control" rows="2" placeholder="Optional note for reviewers"><?= esc(old('author_comment') ?? '') ?></textarea>
+                        <textarea name="author_comment" id="author_comment" class="form-control" rows="2" placeholder="Optional note for reviewers" <?= $isSchoolYearReadonly ? 'disabled' : '' ?>><?= esc(old('author_comment') ?? '') ?></textarea>
                     </div>
                     <div class="col-md-8">
                         <label class="form-label" for="draft_file">File (Word) <span class="text-danger">*</span></label>
-                        <input type="file" name="draft_file" id="draft_file" class="form-control" accept=".doc,.docx" required>
+                        <input type="file" name="draft_file" id="draft_file" class="form-control" accept=".doc,.docx" required <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>
                         <div class="form-text">Max <?= esc(number_format($maxUploadBytes / 1048576, 1)) ?> MB.</div>
                     </div>
                     <div class="col-12 d-flex flex-wrap gap-2">
-                        <button type="submit" class="btn btn-primary">Submit for review</button>
+                        <button type="submit" class="btn btn-primary" <?= $isSchoolYearReadonly ? 'disabled' : '' ?>>Submit for review</button>
                     </div>
                 <?= form_close() ?>
                 <?php if ($schoolYear !== '' || $semester !== ''): ?>
diff --git a/app/Views/teacher/scores.php b/app/Views/teacher/scores.php
index b4a62a0..63cbf6a 100644
--- a/app/Views/teacher/scores.php
+++ b/app/Views/teacher/scores.php
@@ -32,7 +32,9 @@
     <?php
     $classSectionId = (int)($class_section_id ?? 0);
     $scoresLocked = !empty($scoresLocked);
-    $lockAttr = $scoresLocked ? 'disabled' : '';
+    $isSchoolYearReadonly = !empty($isSchoolYearReadonly);
+    $editingDisabled = $scoresLocked || $isSchoolYearReadonly;
+    $lockAttr = $editingDisabled ? 'disabled' : '';
     $displayScore = static function ($value) {
         return ($value === null || $value === '') ? '' : esc($value);
     };
@@ -94,6 +96,11 @@
                     Scores are submitted and locked for this semester.
                 </div>
             <?php endif; ?>
+            <?php if ($isSchoolYearReadonly): ?>
+                <div class="alert alert-info mt-3 mb-0">
+                    This school year is read-only. You can view scores, but changes are disabled.
+                </div>
+            <?php endif; ?>
             <div class="mt-3">
                 <a href="<?= base_url('/teacher/scores?choose_semester=1') ?>" class="btn btn-outline-secondary btn-sm">Choose another semester</a>
             </div>
@@ -291,14 +298,29 @@
         </div>
 
         <div class="scores-action-bar d-flex flex-wrap gap-2 mt-3">
-            <a href="<?= base_url('/teacher/addHomework?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Homework</a>
-            <a href="<?= base_url('/teacher/addQuiz?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Quiz</a>
-            <a href="<?= base_url('/teacher/addProject?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Project</a>
-            <a href="<?= base_url('/teacher/addParticipation?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Participation</a>
+            <?php if ($isSchoolYearReadonly): ?>
+                <button type="button" class="btn btn-secondary" disabled>Add Homework</button>
+                <button type="button" class="btn btn-secondary" disabled>Add Quiz</button>
+                <button type="button" class="btn btn-secondary" disabled>Add Project</button>
+                <button type="button" class="btn btn-secondary" disabled>Add Participation</button>
+            <?php else: ?>
+                <a href="<?= base_url('/teacher/addHomework?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Homework</a>
+                <a href="<?= base_url('/teacher/addQuiz?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Quiz</a>
+                <a href="<?= base_url('/teacher/addProject?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Project</a>
+                <a href="<?= base_url('/teacher/addParticipation?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Participation</a>
+            <?php endif; ?>
             <?php if ($semester === 'fall'): ?>
-                <a href="<?= base_url('/teacher/addMidtermExam?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Midterm</a>
+                <?php if ($isSchoolYearReadonly): ?>
+                    <button type="button" class="btn btn-secondary" disabled>Add Midterm</button>
+                <?php else: ?>
+                    <a href="<?= base_url('/teacher/addMidtermExam?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Midterm</a>
+                <?php endif; ?>
             <?php elseif ($semester === 'spring'): ?>
-                <a href="<?= base_url('/teacher/addFinalExam?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Final</a>
+                <?php if ($isSchoolYearReadonly): ?>
+                    <button type="button" class="btn btn-secondary" disabled>Add Final</button>
+                <?php else: ?>
+                    <a href="<?= base_url('/teacher/addFinalExam?class_section_id=' . $classSectionId) ?>" class="btn btn-secondary">Add Final</a>
+                <?php endif; ?>
             <?php endif; ?>
 
             <button type="submit" class="btn btn-info" <?= $lockAttr ?>>Save Comments</button>
@@ -309,7 +331,7 @@
                 formaction="<?= base_url('/teacher/submit-scores-lock') ?>"
                 formmethod="post"
                 data-confirm-message="Once you submit, you cannot add any scores or comments. Do you want to continue?"
-                <?= $scoresLocked ? 'disabled' : '' ?>>
+                <?= $editingDisabled ? 'disabled' : '' ?>>
                 <?= $scoresLocked ? 'Scores Locked' : 'Submit Semester Scores' ?>
             </button>
         </div>