fix tables to have school year, and remove school year from other tables.

app/Services/Badges/BadgeStudentLookupService.php

@@ -42,17 +42,17 @@ class BadgeStudentLookupService
                 'students.lastname',
                 'students.registration_grade',
                 'students.school_id',
-                'students.school_year',
+                DB::raw('COALESCE(MAX(sc.school_year), ?) as school_year'),
                 DB::raw($classSectionAggregate),
             ])
+            ->addBinding((string) ($schoolYear ?? ''), 'select')
             ->where('students.is_active', 1)
             ->groupBy(
                 'students.id',
                 'students.firstname',
                 'students.lastname',
                 'students.registration_grade',
-                'students.school_id',
-                'students.school_year'
+                'students.school_id'
             )
             ->orderBy('students.lastname')
             ->orderBy('students.firstname');
@@ -60,10 +60,7 @@ class BadgeStudentLookupService
         if (! empty($selectedStudentIds)) {
             $query->whereIn('students.id', $selectedStudentIds);
         } elseif (! empty($schoolYear)) {
-            $query->where(function ($q) use ($schoolYear) {
-                $q->where('students.school_year', $schoolYear)
-                    ->orWhereNotNull('sc.student_id');
-            });
+            $query->whereNotNull('sc.student_id');
         }
 
         $rows = array_map(static fn ($row) => (array) $row, $query->get()->all());