fix school year for all tables

app/Models/BelowSixtyDecisionModel.php

@@ -3,9 +3,12 @@
 namespace App\Models;
 
 use CodeIgniter\Model;
+use App\Models\Concerns\SchoolYearAutoFillTrait;
 
 class BelowSixtyDecisionModel extends Model
 {
+    use SchoolYearAutoFillTrait;
+
     protected $table      = 'below_sixty_decisions';
     protected $primaryKey = 'id';
 
@@ -17,6 +20,10 @@ class BelowSixtyDecisionModel extends Model
         'notes',
         'decided_by',
     ];
+    protected $validationRules = [
+        'school_year' => 'required|string|max_length[9]',
+    ];
+
 
     protected $useTimestamps  = true;
     protected $createdField   = 'created_at';