diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 7aa0ed2b..78363316 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1,5 +1,4 @@
-// This is your Prisma schema file,
-// learn more about it in the docs: https://pris.ly/d/prisma-schema
+// Updated Prisma schema with additional features
 
 generator client {
   provider = "prisma-client-js"
@@ -11,61 +10,69 @@ datasource db {
   shadowDatabaseUrl = env("SHADOW_DATABASE_URL")
 }
 
+// Added enum for role to ensure predefined roles
+enum UserRole {
+  ADMIN
+  TEACHER
+  STUDENT
+  NONE
+}
+
 model Classroom {
-  classroomId String @id @default(cuid())
-  classroomName String
-  fccUserIds String[]
-  description String?
-  fccCertifications Int[]
-  classroomTeacherId String
-  User User @relation(fields: [classroomTeacherId], references: [id])
-  createdAt  DateTime   @default(now())
-} 
+  classroomId          String          @id @default(auto()) @map("_id") @test.Auto(1)
+  classroomName        String
+  fccUserIds           String[]
+  description          String?
+  fccCertifications    Int[]
+  classroomTeacherId   String
+  User                 User            @relation(fields: [classroomTeacherId], references: [id])
+  createdAt            DateTime        @default(now())
+}
 
 model Account {
-  id                 String  @id @default(cuid())
-  userId             String
-  type               String
-  provider           String
-  providerAccountId  String
-  refresh_token      String?  @db.Text
-  access_token       String?  @db.Text
-  expires_at         Int?
-  token_type         String?
-  scope              String?
-  id_token           String?  @db.Text
-  session_state      String?
+  id                   String          @id @default(auto()) @map("_id") @test.Auto(2)
+  userId               String
+  type                 String
+  provider             String
+  providerAccountId    String
+  refresh_token        String?         @db.Text
+  access_token         String?         @db.Text
+  expires_at           Int?
+  token_type           String?
+  scope                String?
+  id_token             String?         @db.Text
+  session_state        String?
   refresh_token_expires_in Int?
 
-  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
+  user                 User            @relation(fields: [userId], references: [id], onDelete: Cascade)
 
   @@unique([provider, providerAccountId])
 }
 
 model Session {
-  id           String   @id @default(cuid())
-  sessionToken String   @unique
-  userId       String
-  expires      DateTime
-  user         User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+  id                   String          @id @default(auto()) @map("_id") @test.Auto(3)
+  sessionToken         String          @unique
+  userId               String
+  expires              DateTime
+  user                 User            @relation(fields: [userId], references: [id], onDelete: Cascade)
 }
 
 model User {
-  id            String    @id @default(cuid())
-  name          String?
-  email         String?   @unique
-  emailVerified DateTime?
-  image         String?
-  role          String  @default("NONE")
-  Classroom Classroom[]
-  accounts      Account[]
-  sessions      Session[]
+  id                   String          @id @default(auto()) @map("_id") @test.Auto(4)
+  name                 String?
+  email                String?         @unique
+  emailVerified        DateTime?
+  image                String?
+  role                 UserRole        @default(NONE)
+  Classrooms           Classroom[]
+  accounts             Account[]
+  sessions             Session[]
 }
 
 model VerificationToken {
-  identifier String
-  token      String   @unique
-  expires    DateTime
+  identifier           String
+  token                String          @unique
+  expires              DateTime
 
   @@unique([identifier, token])
-}
\ No newline at end of file
+}