diff --git a/lib/Account.js b/lib/Account.js
new file mode 100644
index 0000000..f87e6fd
--- /dev/null
+++ b/lib/Account.js
@@ -0,0 +1,31 @@
+'use strict';
+
+const User = require('./User');
+
+class Account extends User {
+	constructor() {
+
+	}
+
+	get classes() {
+
+	}
+
+	get testTemplates() {
+
+	}
+
+	createTestTemplate() {
+
+	}
+
+	createClass() {
+
+	}
+
+	static createAccount() {
+
+	}
+}
+
+module.exports = Account;
diff --git a/lib/Class.js b/lib/Class.js
new file mode 100644
index 0000000..7a5e578
--- /dev/null
+++ b/lib/Class.js
@@ -0,0 +1,41 @@
+'use strict';
+
+class Class {
+	classId;
+	subjectId;
+	name;
+
+	get subject() {
+
+	}
+
+	get tests() {
+
+	}
+
+	get teachers() {
+
+	}
+
+	get students() {
+
+	}
+
+	addTeacher() {
+
+	}
+
+	removeTeacher() {
+
+	}
+
+	calculateAverageMovement() {
+
+	}
+
+	static createClass() {
+
+	}
+}
+
+module.exports =  Class;
diff --git a/lib/Parent.js b/lib/Parent.js
new file mode 100644
index 0000000..96dd24d
--- /dev/null
+++ b/lib/Parent.js
@@ -0,0 +1,19 @@
+'use strict';
+
+const User = require('./User');
+
+class Parent extends User {
+	constructor() {
+
+	}
+
+	get children() {
+
+	}
+
+	static createParent() {
+
+	}
+}
+
+module.exports = Parent;
diff --git a/lib/PasswordReset.js b/lib/PasswordReset.js
new file mode 100644
index 0000000..d0a860c
--- /dev/null
+++ b/lib/PasswordReset.js
@@ -0,0 +1,26 @@
+'use strict';
+
+class PasswordReset {
+	userId;
+	token;
+	nonce;
+	expires;
+
+	constructor() {
+
+	}
+
+	get user() {
+
+	}
+
+	static hashToken(password) {
+
+	}
+
+	static generatePasswordReset() {
+
+	}
+}
+
+module.exports = PasswordReset;
diff --git a/lib/Student.js b/lib/Student.js
new file mode 100644
index 0000000..def4abe
--- /dev/null
+++ b/lib/Student.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const User = require('./User');
+
+class Student extends User {
+	constructor() {
+
+	}
+
+	get classes() {
+
+	}
+
+	get tests() {
+
+	}
+
+	get parents() {
+
+	}
+
+	static createStudent() {
+
+	}
+}
+
+module.exports = Student;
diff --git a/lib/Subject.js b/lib/Subject.js
new file mode 100644
index 0000000..61ec68e
--- /dev/null
+++ b/lib/Subject.js
@@ -0,0 +1,12 @@
+'use strict';
+
+class Subject {
+	subjectId;
+	name;
+
+	constructor() {
+
+	}
+}
+
+module.exports = Subject;
diff --git a/lib/Test.js b/lib/Test.js
new file mode 100644
index 0000000..51c2e38
--- /dev/null
+++ b/lib/Test.js
@@ -0,0 +1,34 @@
+'use strict';
+
+class Test {
+	testId;
+	testTemplateId;
+	classId;
+	testDate;
+
+	constructor () {
+
+	}
+
+	get class() {
+
+	}
+
+	get students() {
+
+	}
+
+	get testTemplate() {
+
+	}
+
+	calculateAverageScore() {
+
+	}
+
+	calculateGradeBoundaries() {
+
+	}
+}
+
+module.exports = Test;
diff --git a/lib/TestResult.js b/lib/TestResult.js
new file mode 100644
index 0000000..957e713
--- /dev/null
+++ b/lib/TestResult.js
@@ -0,0 +1,41 @@
+'use strict';
+
+class TestResult {
+	studentId;
+	accountId;
+	testId;
+
+	constructor() {
+
+	}
+
+	set mark() {
+
+	}
+
+	get mark() {
+
+	}
+
+	get percentage() {
+
+	}
+
+	get grade() {
+
+	}
+
+	get student() {
+
+	}
+
+	get account() {
+
+	}
+
+	get test {
+
+	}
+}
+
+module.exports = TestResult;
diff --git a/lib/TestTemplate.js b/lib/TestTemplate.js
new file mode 100644
index 0000000..73fad1d
--- /dev/null
+++ b/lib/TestTemplate.js
@@ -0,0 +1,26 @@
+'use strict';
+
+class TestTemplate {
+	testTemplateId;
+	accountId;
+	name;
+	maxMark;
+
+	constructor() {
+
+	}
+
+	assignClass() {
+
+	}
+
+	get classes() {
+
+	}
+
+	static createTestTemplate() {
+
+	}
+}
+
+module.exports = TestTemplate;
diff --git a/lib/User.js b/lib/User.js
new file mode 100644
index 0000000..3eb62b4
--- /dev/null
+++ b/lib/User.js
@@ -0,0 +1,53 @@
+'use strict';
+
+class User {
+	id;
+	firstName;
+	otherNames;
+	lastName;
+	email;
+	#password;
+	type = null;
+
+	constructor(type, userId) {
+
+	}
+
+	get fullName() {
+
+	}
+
+	verifyPassword(hash) {
+
+	}
+
+	changePassword(password) {
+
+	}
+
+	getPasswordReset() {
+
+	}
+
+	generatePasswordReset() {
+
+	}
+
+	login() {
+
+	}
+
+	static hashPassword(password) {
+
+	}
+
+	static createUser() {
+
+	}
+
+	static getUserByEmail() {
+
+	}
+}
+
+module.exports = User;