diff --git a/server/db/schema/articles.sql b/server/db/schema/articles.sql
new file mode 100644
index 0000000..1d0965a
--- /dev/null
+++ b/server/db/schema/articles.sql
@@ -0,0 +1,6 @@
+CREATE TABLE IF NOT EXISTS articles (
+    id INTEGER PRIMARY KEY NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),
+    s3_url VARCHAR(256) NOT NULL,
+    description TEXT NOT NULL,
+    media_url VARCHAR(256) NOT NULL
+);
diff --git a/server/db/schema/class_enrollments.sql b/server/db/schema/class_enrollments.sql
new file mode 100644
index 0000000..d451eee
--- /dev/null
+++ b/server/db/schema/class_enrollments.sql
@@ -0,0 +1,19 @@
+CREATE TABLE IF NOT EXISTS class_enrollments (
+    id INTEGER NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),
+    student_id INTEGER NOT NULL,
+    class_id INTEGER NOT NULL,
+    attendance DATE NOT NULL,
+
+    CONSTRAINT Pk_class_enrollments
+        PRIMARY KEY(student_id, class_id, id),
+
+    CONSTRAINT fk_student
+        FOREIGN KEY(student_id)
+        REFERENCES student(id)
+        ON DELETE CASCADE,
+    
+    CONSTRAINT fk_class
+        FOREIGN KEY(class_id)
+        REFERENCES classes(id)
+        ON DELETE CASCADE
+)
diff --git a/server/db/schema/class_videos.sql b/server/db/schema/class_videos.sql
new file mode 100644
index 0000000..5b52a33
--- /dev/null
+++ b/server/db/schema/class_videos.sql
@@ -0,0 +1,11 @@
+DROP TABLE IF EXISTS class_videos CASCADE;
+
+CREATE TABLE class_videos (
+  id INTEGER PRIMARY KEY NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),
+  title VARCHAR(256) NOT NULL,
+  s3_url VARCHAR(256) NOT NULL,
+  description TEXT NOT NULL,
+  media_url TEXT NOT NULL,
+  class_id INTEGER NOT NULL,
+  FOREIGN KEY (class_id) REFERENCES classes(id) ON DELETE CASCADE
+);
diff --git a/server/db/schema/classes.sql b/server/db/schema/classes.sql
new file mode 100644
index 0000000..f84fa2f
--- /dev/null
+++ b/server/db/schema/classes.sql
@@ -0,0 +1,14 @@
+CREATE TYPE LEVEL AS ENUM ("beginner", "intermediate", "advanced")
+
+CREATE TABLE IF NOT EXISTS public.classes
+(
+    id integer NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),
+    title VARCHAR(256) NOT NULL,
+    description TEXT,
+    location VARCHAR(256) NOT NULL,
+    capacity INT NOT NULL,
+    level LEVEL NOT NULL, 
+    costume TEXT NOT NULL,
+    CONSTRAINT class_pkey PRIMARY KEY (id),
+)
+
diff --git a/server/db/schema/classes_taught.sql b/server/db/schema/classes_taught.sql
new file mode 100644
index 0000000..daa13a1
--- /dev/null
+++ b/server/db/schema/classes_taught.sql
@@ -0,0 +1,17 @@
+CREATE TABLE IF NOT EXISTS classes_taught (
+    class_id INTEGER NOT NULL,
+    teacher_id INTEGER NOT NULL,
+    
+    CONSTRAINT Pk_classes_taught
+        PRIMARY KEY(class_id, teacher_id),
+
+    CONSTRAINT fk_class
+        FOREIGN KEY(class_id)
+        REFERENCES classes(id)
+        ON DELETE CASCADE,
+    
+    CONSTRAINT fk_teacher
+        FOREIGN KEY(teacher_id)
+        REFERENCES teacher(id)
+        ON DELETE CASCADE
+)
\ No newline at end of file
diff --git a/server/db/schema/event_enrollments.sql b/server/db/schema/event_enrollments.sql
new file mode 100644
index 0000000..589d9a6
--- /dev/null
+++ b/server/db/schema/event_enrollments.sql
@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS event_enrollments (
+  id INTEGER PRIMARY KEY NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),,
+  student_id INTEGER NOT NULL,
+  event_id INTEGER NOT NULL,
+  attendance BOOLEAN NOT NULL,
+  FOREIGN KEY (student_id) REFERENCES students (id) ON DELETE CASCADE,
+  FOREIGN KEY (event_id) REFERENCES events (id) ON DELETE CASCADE
+);
diff --git a/server/db/schema/events.sql b/server/db/schema/events.sql
new file mode 100644
index 0000000..e1ccabe
--- /dev/null
+++ b/server/db/schema/events.sql
@@ -0,0 +1,19 @@
+DROP TABLE IF EXISTS Events;
+DROP TYPE IF EXISTS LEVEL;
+
+CREATE TYPE LEVEL AS ENUM ('beginner', 'intermediate', 'advanced');
+
+CREATE TABLE Events (
+    id SERIAL PRIMARY KEY,
+    location VARCHAR(256) NOT NULL,
+    title VARCHAR(256) NOT NULL,
+    description TEXT,
+    level LEVEL NOT NULL,
+    date DATE NOT NULL,
+    start_time TIME NOT NULL,
+    end_time TIME NOT NULL,
+    call_time TIME NOT NULL,
+    class_id INTEGER NOT NULL,
+    costume TEXT NOT NULL,
+    FOREIGN KEY (class_id) REFERENCES Classes(id) ON DELETE CASCADE
+);
\ No newline at end of file
diff --git a/server/db/schema/sample.sql b/server/db/schema/sample.sql
deleted file mode 100644
index 42b76b3..0000000
--- a/server/db/schema/sample.sql
+++ /dev/null
@@ -1,9 +0,0 @@
--- TODO: delete sample file
-
-DROP TABLE IF EXISTS sample CASCADE;
-
-CREATE TABLE sample (
-  id SERIAL PRIMARY KEY,
-  content VARCHAR(256) NOT NULL
-);
-
diff --git a/server/db/schema/scheduled_classes.sql b/server/db/schema/scheduled_classes.sql
new file mode 100644
index 0000000..b3d61f4
--- /dev/null
+++ b/server/db/schema/scheduled_classes.sql
@@ -0,0 +1,10 @@
+DROP TABLE IF EXISTS scheduled_classes CASCADE;
+
+CREATE TABLE scheduled_classes (
+  class_id INTEGER NOT NULL,
+  date DATE NOT NULL,
+  start_time TIME NOT NULL,
+  end_time TIME NOT NULL,
+  PRIMARY KEY (class_id, date),
+  FOREIGN KEY (class_id) REFERENCES classes(id) ON DELETE CASCADE
+);
diff --git a/server/db/schema/students.sql b/server/db/schema/students.sql
new file mode 100644
index 0000000..a6bb671
--- /dev/null
+++ b/server/db/schema/students.sql
@@ -0,0 +1,8 @@
+CREATE TYPE LEVEL AS ENUM('beginner','intermediate','advanced');
+
+
+CREATE TABLE Student (
+    id INTEGER NOT NULL PRIMARY KEY,
+    level LEVEL NOT NULL,
+    CONSTRAINT fk_user_student FOREIGN KEY (id) REFERENCES User (id) ON DELETE CASCADE
+);
\ No newline at end of file
diff --git a/server/db/schema/teachers.sql b/server/db/schema/teachers.sql
new file mode 100644
index 0000000..998b373
--- /dev/null
+++ b/server/db/schema/teachers.sql
@@ -0,0 +1,6 @@
+CREATE TABLE Teachers (
+    id INTEGER NOT NULL PRIMARY KEY,
+    experience TEXT,
+    is_activated BOOL NOT NULL,
+    CONSTRAINT fk_user_teacher FOREIGN KEY (id) REFERENCES User (id) ON DELETE CASCADE
+ );
\ No newline at end of file
diff --git a/server/db/schema/users.sql b/server/db/schema/users.sql
index 81c31b7..e145232 100644
--- a/server/db/schema/users.sql
+++ b/server/db/schema/users.sql
@@ -2,12 +2,17 @@
 
 -- DROP TABLE IF EXISTS public.users;
 
+CREATE TYPE USER_ROLE AS ENUM('student', 'teacher', 'admin');
+
 CREATE TABLE IF NOT EXISTS public.users
 (
     id integer NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),
     email character varying(256) COLLATE pg_catalog."default" NOT NULL,
     firebase_uid character varying(128) COLLATE pg_catalog."default" NOT NULL,
     role character varying(16) COLLATE pg_catalog."default" NOT NULL DEFAULT 'user'::character varying,
+    first_name character varying(128) NOT NULL,
+    last_name character varying(128) NOT NULL,
+    user_role USER_ROLE NOT NULL,
     CONSTRAINT user_pkey PRIMARY KEY (id),
     CONSTRAINT email UNIQUE (email),
     CONSTRAINT firebase_uid UNIQUE (firebase_uid),
@@ -16,5 +21,5 @@ CREATE TABLE IF NOT EXISTS public.users
 
 TABLESPACE pg_default;
 
-ALTER TABLE IF EXISTS public.users
-    OWNER to postgres;
+-- ALTER TABLE IF EXISTS public.users
+--     OWNER to postgres;