diff --git a/app/Controllers/View/StudentController.php b/app/Controllers/View/StudentController.php
index f9dfe52..ea8b025 100644
--- a/app/Controllers/View/StudentController.php
+++ b/app/Controllers/View/StudentController.php
@@ -919,7 +919,7 @@ class StudentController extends BaseController
             }
 
             // Fetch lettered sections for this class
-            $letters = $this->classSectionModel->getLetterSectionsByClassId($classId);
+            $letters = $this->letterSectionsForDistribution($classId, $year);
             if (empty($letters)) {
                 $msg = 'No lettered sections found for the selected class.';
                 return $isAjax ? $json(['ok' => false, 'message' => $msg], 400) : redirect()->back()->with('error', $msg);
@@ -1061,6 +1061,24 @@ class StudentController extends BaseController
         return $out;
     }
 
+    private function letterSectionsForDistribution(int $classId, string $year): array
+    {
+        $query = $this->classSectionModel
+            ->where('class_id', $classId)
+            ->like('class_section_name', '-', 'both')
+            ->orderBy('class_section_name', 'ASC');
+        if ($year !== '' && $this->db->fieldExists('school_year', 'classSection')) {
+            $query->where('school_year', $year);
+        }
+
+        $sections = $query->findAll();
+        if (!empty($sections) || $year === '' || ! $this->db->fieldExists('school_year', 'classSection')) {
+            return $sections;
+        }
+
+        return $this->classSectionModel->getLetterSectionsByClassId($classId);
+    }
+
     private function decisionDistributionCandidates(int $classId, string $targetSchoolYear): array
     {
         $previousSchoolYear = $this->previousSchoolYearName($targetSchoolYear);
@@ -1315,12 +1333,22 @@ class StudentController extends BaseController
     {
         try {
             $year = trim((string)($this->request->getGet('school_year') ?? $this->schoolYear));
+            $includeClassIds = $this->parseIncludedClassIds($this->request->getGet('include_class_ids'));
 
             // Fetch base sections (no dash) and filter to KG, 1..9, youth
-            $bases = $this->classSectionModel
+            $baseQuery = $this->classSectionModel
                 ->where("class_section_name NOT LIKE '%-%'", null, false)
-                ->orderBy('class_id', 'ASC')
-                ->findAll();
+                ->orderBy('class_id', 'ASC');
+            if ($year !== '' && $this->db->fieldExists('school_year', 'classSection')) {
+                $baseQuery->where('school_year', $year);
+            }
+            $bases = $baseQuery->findAll();
+            if (empty($bases) && $year !== '' && $this->db->fieldExists('school_year', 'classSection')) {
+                $bases = $this->classSectionModel
+                    ->where("class_section_name NOT LIKE '%-%'", null, false)
+                    ->orderBy('class_id', 'ASC')
+                    ->findAll();
+            }
 
             $wanted = [];
             foreach ($bases as $r) {
@@ -1337,10 +1365,27 @@ class StudentController extends BaseController
                     $num = (int)$name;
                     if ($num >= 1 && $num <= 9) {
                         $wanted[] = $r;
+                        continue;
                     }
                 }
+
+                if (in_array((int)($r['class_id'] ?? 0), $includeClassIds, true)) {
+                    $wanted[] = $r;
+                }
             }
 
+            $deduped = [];
+            $seenClassIds = [];
+            foreach ($wanted as $r) {
+                $classId = (int)($r['class_id'] ?? 0);
+                if ($classId <= 0 || isset($seenClassIds[$classId])) {
+                    continue;
+                }
+                $seenClassIds[$classId] = true;
+                $deduped[] = $r;
+            }
+            $wanted = $deduped;
+
             $out = [];
             foreach ($wanted as $r) {
                 $classId = (int)$r['class_id'];
@@ -1371,6 +1416,22 @@ class StudentController extends BaseController
         }
     }
 
+    private function parseIncludedClassIds($raw): array
+    {
+        if ($raw === null || $raw === '') {
+            return [];
+        }
+
+        if (!is_array($raw)) {
+            $raw = explode(',', (string)$raw);
+        }
+
+        return array_values(array_unique(array_filter(
+            array_map('intval', $raw),
+            static fn(int $id): bool => $id > 0
+        )));
+    }
+
     private function savedDistributionSections(int $classId, string $year): array
     {
         if (! $this->db->tableExists('student_section_distribution_drafts')) {
diff --git a/app/Database/Migrations/2026-07-31-000100_BackfillAddedSchoolYearColumns.php b/app/Database/Migrations/2026-07-31-000100_BackfillAddedSchoolYearColumns.php
new file mode 100644
index 0000000..447e10f
--- /dev/null
+++ b/app/Database/Migrations/2026-07-31-000100_BackfillAddedSchoolYearColumns.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace App\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+use RuntimeException;
+
+class BackfillAddedSchoolYearColumns extends Migration
+{
+    public function up(): void
+    {
+        $schoolYear = $this->configuredSchoolYear();
+
+        foreach ($this->tablesWithSchoolYearColumn() as $table) {
+            $this->db->query(
+                sprintf(
+                    'UPDATE %s SET `school_year` = ? WHERE `school_year` IS NULL OR TRIM(`school_year`) = \'\'',
+                    $this->quoteIdentifier($table)
+                ),
+                [$schoolYear]
+            );
+        }
+    }
+
+    public function down(): void
+    {
+        // This is a data backfill. Do not erase school_year values on rollback.
+    }
+
+    private function configuredSchoolYear(): string
+    {
+        if (! $this->db->tableExists('configuration')) {
+            throw new RuntimeException('Cannot backfill school_year columns: configuration table is missing.');
+        }
+
+        $row = $this->db->table('configuration')
+            ->select('config_value')
+            ->where('config_key', 'school_year')
+            ->where('config_value IS NOT NULL', null, false)
+            ->where('TRIM(config_value) <>', '')
+            ->orderBy('id', 'DESC')
+            ->get(1)
+            ->getRowArray();
+
+        $schoolYear = trim((string)($row['config_value'] ?? ''));
+        if (preg_match('/^\d{4}-\d{4}$/', $schoolYear) !== 1) {
+            throw new RuntimeException(
+                'Cannot backfill school_year columns: configuration.school_year must be set as YYYY-YYYY.'
+            );
+        }
+
+        return $schoolYear;
+    }
+
+    /**
+     * @return list<string>
+     */
+    private function tablesWithSchoolYearColumn(): array
+    {
+        $rows = $this->db->query(
+            "SELECT c.TABLE_NAME AS table_name
+             FROM information_schema.COLUMNS c
+             INNER JOIN information_schema.TABLES t
+                ON t.TABLE_SCHEMA = c.TABLE_SCHEMA
+               AND t.TABLE_NAME = c.TABLE_NAME
+             WHERE c.TABLE_SCHEMA = DATABASE()
+               AND c.COLUMN_NAME = 'school_year'
+               AND t.TABLE_TYPE = 'BASE TABLE'
+             ORDER BY c.TABLE_NAME"
+        )->getResultArray();
+
+        $tables = [];
+        foreach ($rows as $row) {
+            $table = trim((string)($row['table_name'] ?? ''));
+            if ($table === '' || $table === 'school_years') {
+                continue;
+            }
+            $tables[] = $table;
+        }
+
+        return $tables;
+    }
+
+    private function quoteIdentifier(string $identifier): string
+    {
+        return '`' . str_replace('`', '``', $identifier) . '`';
+    }
+}
diff --git a/app/Views/administrator/sections_auto_distribute.php b/app/Views/administrator/sections_auto_distribute.php
index 39f0f25..924f7da 100644
--- a/app/Views/administrator/sections_auto_distribute.php
+++ b/app/Views/administrator/sections_auto_distribute.php
@@ -1,4 +1,69 @@
 <?= $this->extend('layout/management_layout') ?>
+
+<?= $this->section('styles') ?>
+<style>
+  #classesTable {
+    table-layout: fixed;
+  }
+  #classesTable th:nth-child(1),
+  #classesTable td:nth-child(1) {
+    width: 10rem;
+  }
+  #classesTable th:nth-child(2),
+  #classesTable td:nth-child(2),
+  #classesTable th:nth-child(3),
+  #classesTable td:nth-child(3) {
+    width: 6rem;
+  }
+  #classesTable th:nth-child(4),
+  #classesTable td:nth-child(4) {
+    width: 10rem;
+  }
+  .distribution-cell {
+    min-width: 28rem;
+  }
+  .distribution-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
+    gap: .5rem;
+  }
+  .distribution-section {
+    border: 1px solid #dee2e6;
+    border-radius: .375rem;
+    background: #fff;
+    padding: .5rem;
+  }
+  .distribution-section-title {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: .5rem;
+    margin-bottom: .25rem;
+  }
+  .distribution-meta {
+    display: flex;
+    flex-wrap: wrap;
+    gap: .25rem;
+    margin-bottom: .35rem;
+  }
+  .distribution-meta .badge {
+    font-weight: 500;
+  }
+  .distribution-students {
+    max-height: 8.5rem;
+    overflow: auto;
+    margin: 0;
+    padding-left: 1.1rem;
+    font-size: .8125rem;
+    line-height: 1.35;
+  }
+  .distribution-empty {
+    color: #6c757d;
+    font-size: .875rem;
+  }
+</style>
+<?= $this->endSection() ?>
+
 <?= $this->section('content') ?>
 <div class="container-fluid">
   <div class="wrapper">
@@ -28,6 +93,32 @@
               <span id="pageMsg" class="small text-muted"></span>
             </div>
           </div>
+          <div class="row g-3 align-items-end mb-3">
+            <div class="col-md-4">
+              <label for="additionalClassSelect" class="form-label">Additional Classes</label>
+              <select id="additionalClassSelect" class="form-select">
+                <option value="">Select class to include...</option>
+                <?php if (!empty($classes)): ?>
+                  <?php foreach ($classes as $c): ?>
+                    <?php
+                      $name = trim((string)($c['class_section_name'] ?? ''));
+                      $isBase = ($name !== '' && strpos($name, '-') === false);
+                      $lowerName = strtolower($name);
+                      $isStandard = ($lowerName === 'kg' || $lowerName === 'youth' || (ctype_digit($lowerName) && (int)$lowerName >= 1 && (int)$lowerName <= 9));
+                      if (!$isBase || $isStandard) continue;
+                    ?>
+                    <option value="<?= (int)($c['class_id'] ?? 0) ?>"><?= esc($name) ?></option>
+                  <?php endforeach; ?>
+                <?php endif; ?>
+              </select>
+            </div>
+            <div class="col-md-2 d-grid">
+              <button type="button" id="addClassBtn" class="btn btn-outline-primary">Add Class</button>
+            </div>
+            <div class="col-md-6">
+              <div id="includedClasses" class="d-flex flex-wrap gap-2"></div>
+            </div>
+          </div>
 
           <div class="table-responsive">
             <table class="table table-sm table-striped align-middle no-mgmt-sticky" id="classesTable">
@@ -37,6 +128,7 @@
                   <th>Total</th>
                   <th>Sections</th>
                   <th>Actions</th>
+                  <th>Distribution</th>
                 </tr>
               </thead>
               <tbody id="tblBody"></tbody>
@@ -57,50 +149,37 @@
 <script>
 (function(){
   const selectedYear = '<?= esc($selectedYear ?? '') ?>';
-  const totalsUrl = '<?= site_url('administrator/sections/promotion-totals') ?>?school_year=' + encodeURIComponent(selectedYear);
+  const totalsBaseUrl = '<?= site_url('administrator/sections/promotion-totals') ?>';
   const distUrl   = '<?= site_url('administrator/sections/auto-distribute') ?>';
 
   const tblBody   = document.getElementById('tblBody');
-  const tblHeader = document.getElementById('tblHeader');
   const sectionCountInput = document.getElementById('sectionCount');
   const minInput = document.getElementById('minStudents');
   const maxInput = document.getElementById('maxStudents');
   const msgEl     = document.getElementById('pageMsg');
   const refreshBtn= document.getElementById('refreshTotalsBtn');
+  const additionalClassSelect = document.getElementById('additionalClassSelect');
+  const addClassBtn = document.getElementById('addClassBtn');
+  const includedClassesEl = document.getElementById('includedClasses');
 
-  let headerSections = []; // list of generated section names as columns
   let rowIndexByClassId = {}; // mapping to locate rows
+  let includedClassIds = [];
+
+  function totalsUrl() {
+    const params = new URLSearchParams();
+    params.set('school_year', selectedYear);
+    if (includedClassIds.length) params.set('include_class_ids', includedClassIds.join(','));
+    return totalsBaseUrl + '?' + params.toString();
+  }
 
   function selectedSectionCount() {
     const count = parseInt(sectionCountInput.value || '0', 10);
     return count > 0 ? count : '';
   }
 
-  function ensureSectionColumns(sectionNames) {
-    // Add any new section name as a column if not already present
-    sectionNames.forEach(function(name){
-      if (!name) return;
-      if (headerSections.indexOf(name) >= 0) return;
-      headerSections.push(name);
-      const th = document.createElement('th');
-      th.textContent = name;
-      tblHeader.appendChild(th);
-      // Also add empty cell to each existing row
-      document.querySelectorAll('#tblBody tr').forEach(function(tr){
-        const td = document.createElement('td');
-        td.dataset.section = name;
-        td.textContent = '';
-        tr.appendChild(td);
-      });
-    });
-  }
-
   function buildInitialTable(rows) {
     tblBody.innerHTML = '';
     rowIndexByClassId = {};
-    headerSections = [];
-    // Remove dynamically-added section cols, keep the first four fixed
-    while (tblHeader.children.length > 4) tblHeader.removeChild(tblHeader.lastElementChild);
 
     rows.forEach(function(r){
       const tr = document.createElement('tr');
@@ -130,13 +209,21 @@
       tdAct.appendChild(btn);
       tr.appendChild(tdAct);
 
+      const tdResults = document.createElement('td');
+      tdResults.className = 'distribution-cell';
+      const empty = document.createElement('span');
+      empty.className = 'distribution-empty';
+      empty.textContent = 'Not generated';
+      tdResults.appendChild(empty);
+      tr.appendChild(tdResults);
+
       tblBody.appendChild(tr);
       rowIndexByClassId[r.class_id] = tr;
     });
 
     rows.forEach(function(r){
       if (Array.isArray(r.sections) && r.sections.length) {
-        renderSectionsForRow(r.class_section_name || '', r.sections);
+        renderSectionsForRow(r.class_section_id, r.sections);
       }
     });
   }
@@ -186,42 +273,84 @@
 
         msgEl.textContent = res && res.message ? res.message : 'Completed.';
 
-        renderSectionsForRow(baseName || '', res.sections);
+        renderSectionsForRow(baseSectionId, res.sections);
       })
       .catch(() => { msgEl.textContent = 'Failed to distribute. Please try again.'; });
   }
 
-  function renderSectionsForRow(baseName, sections) {
-    const names = sections.map(s => s.class_section_name).filter(Boolean);
-    ensureSectionColumns(names);
-
+  function renderSectionsForRow(baseSectionId, sections) {
     const tr = Array.from(document.querySelectorAll('#tblBody tr')).find(function(_tr){
-      return (_tr.children[0].textContent || '') === (baseName || '');
+      return String(_tr.dataset.classSectionId || '') === String(baseSectionId || '');
     });
     if (!tr) return;
 
+    const td = tr.querySelector('.distribution-cell');
+    if (!td) return;
+    td.innerHTML = '';
+
+    const grid = document.createElement('div');
+    grid.className = 'distribution-grid';
+
     sections.forEach(function(s){
-      const td = Array.from(tr.querySelectorAll('td[data-section]')).find(cell => cell.dataset.section === s.class_section_name);
-      if (!td) return;
-
       const studentNames = Array.isArray(s.student_names) ? s.student_names : [];
-      td.innerHTML = '';
-      const count = document.createElement('div');
-      count.className = 'fw-semibold small mb-1';
-      count.textContent = (s.total ?? studentNames.length) + ' students';
-      td.appendChild(count);
+      const block = document.createElement('div');
+      block.className = 'distribution-section';
 
-      const list = document.createElement('div');
-      list.className = 'small';
-      list.style.whiteSpace = 'normal';
-      list.textContent = studentNames.length ? studentNames.join(', ') : 'No students assigned';
-      td.appendChild(list);
+      const title = document.createElement('div');
+      title.className = 'distribution-section-title';
+
+      const name = document.createElement('div');
+      name.className = 'fw-semibold';
+      name.textContent = s.class_section_name || 'Section';
+      title.appendChild(name);
+
+      const count = document.createElement('div');
+      count.className = 'badge bg-primary';
+      count.textContent = (s.total ?? studentNames.length) + ' students';
+      title.appendChild(count);
+      block.appendChild(title);
+
+      const meta = document.createElement('div');
+      meta.className = 'distribution-meta';
+      if (Number.isFinite(Number(s.average_score))) {
+        const avg = document.createElement('span');
+        avg.className = 'badge text-bg-light';
+        avg.textContent = 'Avg ' + Number(s.average_score).toFixed(2);
+        meta.appendChild(avg);
+      }
+      if (Number.isFinite(Number(s.male)) || Number.isFinite(Number(s.female))) {
+        const gender = document.createElement('span');
+        gender.className = 'badge text-bg-light';
+        gender.textContent = 'M ' + (s.male ?? 0) + ' / F ' + (s.female ?? 0);
+        meta.appendChild(gender);
+      }
+      if (meta.children.length) block.appendChild(meta);
+
+      if (studentNames.length) {
+        const list = document.createElement('ol');
+        list.className = 'distribution-students';
+        studentNames.forEach(function(studentName){
+          const item = document.createElement('li');
+          item.textContent = studentName;
+          list.appendChild(item);
+        });
+        block.appendChild(list);
+      } else {
+        const empty = document.createElement('div');
+        empty.className = 'distribution-empty';
+        empty.textContent = 'No students assigned';
+        block.appendChild(empty);
+      }
+
+      grid.appendChild(block);
     });
+
+    td.appendChild(grid);
   }
 
   function loadTotals() {
     msgEl.textContent = 'Loading totals...';
-    fetch(totalsUrl, { headers: { 'X-Requested-With': 'XMLHttpRequest' }})
+    fetch(totalsUrl(), { headers: { 'X-Requested-With': 'XMLHttpRequest' }})
       .then(r => r.json())
       .then(res => {
         if (!res || !res.ok) { msgEl.textContent = res && res.message ? res.message : 'Failed to load totals.'; return; }
@@ -232,6 +361,46 @@
       .catch(() => { msgEl.textContent = 'Failed to load totals.'; });
   }
 
+  function renderIncludedClasses() {
+    includedClassesEl.innerHTML = '';
+    includedClassIds.forEach(function(classId){
+      const option = additionalClassSelect.querySelector('option[value="' + String(classId) + '"]');
+      const badge = document.createElement('span');
+      badge.className = 'badge bg-secondary d-inline-flex align-items-center gap-2';
+
+      const label = document.createElement('span');
+      label.textContent = option ? option.textContent : ('Class #' + classId);
+      badge.appendChild(label);
+
+      const removeBtn = document.createElement('button');
+      removeBtn.type = 'button';
+      removeBtn.className = 'btn-close btn-close-white';
+      removeBtn.setAttribute('aria-label', 'Remove class');
+      removeBtn.addEventListener('click', function(){
+        includedClassIds = includedClassIds.filter(id => id !== classId);
+        renderIncludedClasses();
+        loadTotals();
+      });
+      badge.appendChild(removeBtn);
+
+      includedClassesEl.appendChild(badge);
+    });
+  }
+
+  addClassBtn.addEventListener('click', function(){
+    const classId = parseInt(additionalClassSelect.value || '0', 10);
+    if (!classId) {
+      msgEl.textContent = 'Select a class to include.';
+      return;
+    }
+    if (includedClassIds.indexOf(classId) < 0) {
+      includedClassIds.push(classId);
+      renderIncludedClasses();
+    }
+    additionalClassSelect.value = '';
+    loadTotals();
+  });
+
   refreshBtn.addEventListener('click', function(){ loadTotals(); });
   document.getElementById('generateAllBtn').addEventListener('click', async function(){
     const sectionCount = parseInt(sectionCountInput.value || '0', 10);