diff --git a/app/Http/Controllers/StudentsController.php b/app/Http/Controllers/StudentsController.php
index 264945e2..94a1ff8c 100644
--- a/app/Http/Controllers/StudentsController.php
+++ b/app/Http/Controllers/StudentsController.php
@@ -13,6 +13,7 @@
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\View\View;
+use Illuminate\Support\Str;
 
 class StudentsController extends Controller
 {
@@ -71,7 +72,7 @@ public function store(Request $request): Student|false
         $user = $request->user();
 
         $student = $user->studentProfiles()->create([
-            'slug' => $user->pea,
+            'slug' => Str::ulid(),
             'full_name' => $user->display_name,
             'first_name' => $user->firstname,
             'last_name' => $user->lastname,
diff --git a/database/migrations/2025_03_31_163648_rename_slug_to_pea_in_students_table.php b/database/migrations/2025_03_31_163648_rename_slug_to_pea_in_students_table.php
new file mode 100644
index 00000000..7e3f4e69
--- /dev/null
+++ b/database/migrations/2025_03_31_163648_rename_slug_to_pea_in_students_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('students', function (Blueprint $table) {
+            $table->renameColumn('slug', 'pea');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('students', function (Blueprint $table) {
+            $table->renameColumn('pea', 'slug');
+        });
+    }
+};
diff --git a/database/migrations/2025_03_31_164643_add_slug_to_students_table.php b/database/migrations/2025_03_31_164643_add_slug_to_students_table.php
new file mode 100644
index 00000000..53bd2e56
--- /dev/null
+++ b/database/migrations/2025_03_31_164643_add_slug_to_students_table.php
@@ -0,0 +1,28 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('students', function (Blueprint $table) {
+            $table->ulid('slug')->nullable()->after('pea');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('students', function (Blueprint $table) {
+            $table->dropColumn('slug');
+        });
+    }
+};
diff --git a/database/migrations/2025_04_01_150237_make_slug_not_nullable_in_students_table.php b/database/migrations/2025_04_01_150237_make_slug_not_nullable_in_students_table.php
new file mode 100644
index 00000000..99437841
--- /dev/null
+++ b/database/migrations/2025_04_01_150237_make_slug_not_nullable_in_students_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Artisan;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Artisan::call('db:seed', [
+            '--class' => 'v2_1_Seeder',
+            '--force' => true
+        ]);
+
+        Schema::table('students', function (Blueprint $table) {
+            $table->ulid('slug')->nullable(false)->change();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('students', function (Blueprint $table) {
+            $table->ulid('slug')->nullable()->change();
+        });
+    }
+};
diff --git a/database/seeders/v2_1_Seeder.php b/database/seeders/v2_1_Seeder.php
new file mode 100644
index 00000000..a0aa2c4c
--- /dev/null
+++ b/database/seeders/v2_1_Seeder.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Student;
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Str;
+
+class v2_1_Seeder extends Seeder
+{
+    /**
+     * Updates student records by chunks
+     */
+    public function run(): void 
+    {
+        Student::query()
+            ->whereNull('slug')
+            ->orderBy('id')
+            ->chunkById(200, function ($students) {
+                $this->command->withProgressBar($students, fn($student) => $this->updateStudent($student));
+                $this->command->newLine();
+            });
+    }
+
+    /**
+     * Replaces a student slug with a unique ULID
+     */
+    public function updateStudent(Student $student): void
+    {
+        $existing_student = DB::table('students')->where('id', $student->id) ?? null;
+
+        if ($existing_student) {
+            $existing_student->update(['slug' => Str::ulid()]);
+        }
+    }
+}