diff --git a/.gitignore b/.gitignore
index 43e3b04..f68d109 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,7 +26,4 @@ bin/
 .vscode/
 
 ### Mac OS ###
-.DS_Store
-
-# IntelliJ Idea
-/.idea/
+.DS_Store
\ No newline at end of file
diff --git a/src/school/management/system/Main.java b/src/school/management/system/Main.java
new file mode 100644
index 0000000..1e56626
--- /dev/null
+++ b/src/school/management/system/Main.java
@@ -0,0 +1,58 @@
+package school.management.system;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+    public static void main(String[] args) {
+        // Teachers list
+        List<Teacher> teacherList = new ArrayList<>();
+        teacherList.add(new Teacher(0001, "Imran Khan", 10000));
+        teacherList.add(new Teacher(0002, "Javed Miandad", 7000));
+        teacherList.add(new Teacher(0003, "Shane Warne", 8500));
+
+        // Students list
+        List<Student> studentList = new ArrayList<>();
+        studentList.add(new Student(0001, "Wasim Akram", 5));
+        studentList.add(new Student(0002, "Inzamam-ul-Haq", 4));
+        studentList.add(new Student(0003, "Saqlain Mushtaq", 5));
+
+        // Schools list
+        List<School> schoolList = new ArrayList<>();
+        schoolList.add(new School(teacherList, studentList));
+
+        // Cricket school
+        School cricketSchool = schoolList.get(0);
+        System.out.println("cricketSchool School has earned $"+cricketSchool.getTotalMoneyEarned()+" so far.");
+
+        // Teachers
+        Teacher skipper = teacherList.get(0);
+        Teacher baadeMian = teacherList.get(1);
+        Teacher warnie = teacherList.get(2);
+
+        // Students
+        Student wasim = studentList.get(0);
+        Student inzi = studentList.get(1);
+        Student saqlain = studentList.get(2);
+
+        // Student's fees payments
+        wasim.updateFeesPaid(5000);
+        System.out.println(wasim.getName()+" has paid $"+wasim.getFeesPaid()+" & cricketSchool School has earned $"+cricketSchool.getTotalMoneyEarned()+" so far.");
+
+        inzi.updateFeesPaid(5000);
+        System.out.println(inzi.getName()+" has paid $"+inzi.getFeesPaid()+" & cricketSchool School has earned $"+cricketSchool.getTotalMoneyEarned()+" so far.");
+
+        saqlain.updateFeesPaid(5000);
+        System.out.println(saqlain.getName()+" has paid $"+saqlain.getFeesPaid()+" & cricketSchool School has earned $"+cricketSchool.getTotalMoneyEarned()+" so far.");
+
+        // Teacher's salary payments
+        skipper.setSalary(skipper.getSalary());
+        System.out.println(skipper.getName()+" has been paid & the school's current balance is "+ cricketSchool.getTotalMoneyEarned());
+
+        baadeMian.setSalary(baadeMian.getSalary());
+        System.out.println(baadeMian.getName()+" has been paid & the school's current balance is "+ cricketSchool.getTotalMoneyEarned());
+
+        warnie.setSalary(warnie.getSalary());
+        System.out.println(warnie.getName()+" has been paid & the school's current balance is "+ cricketSchool.getTotalMoneyEarned());
+    }
+}
diff --git a/src/school/management/system/School.java b/src/school/management/system/School.java
new file mode 100644
index 0000000..4ef22b8
--- /dev/null
+++ b/src/school/management/system/School.java
@@ -0,0 +1,57 @@
+package school.management.system;
+
+import java.util.List;
+
+public class School {
+    private List<Teacher> teachers;
+    private List<Student> students;
+    private static int totalMoneyEarned;
+    private int totalMoneySpent;
+
+    public School(List<Teacher> teachers, List<Student> students) {
+        this.teachers = teachers;
+        this.students = students;
+        this.totalMoneyEarned = 0;
+        this.totalMoneySpent = 0;
+    }
+
+    public void setTeachers(List<Teacher> teachers) {
+        this.teachers = teachers;
+    }
+
+    public void setStudents(List<Student> students) {
+        this.students = students;
+    }
+
+    public static void updateTotalMoneyEarned(int moneyEarned) {
+        totalMoneyEarned += moneyEarned;
+    }
+
+    public static void updateTotalMoneySpent(int moneySpent) {
+        totalMoneyEarned -= moneySpent;
+    }
+
+    public List<Teacher> getTeachers() {
+        return teachers;
+    }
+
+    public List<Student> getStudents() {
+        return students;
+    }
+
+    public int getTotalMoneyEarned() {
+        return totalMoneyEarned;
+    }
+
+    public int getTotalMoneySpent() {
+        return totalMoneySpent;
+    }
+
+    public void addTeacher(Teacher teacher) {
+        this.teachers.add(teacher);
+    }
+
+    public void addStudent(Student student) {
+        this.students.add(student);
+    }
+}
diff --git a/src/school/management/system/Student.java b/src/school/management/system/Student.java
new file mode 100644
index 0000000..615921c
--- /dev/null
+++ b/src/school/management/system/Student.java
@@ -0,0 +1,52 @@
+package school.management.system;
+
+import static school.management.system.School.updateTotalMoneyEarned;
+
+public class Student {
+    private int id;
+    private String name;
+    private int grade;
+    private int feesPaid;
+    private int feesTotal;
+
+    public Student(int id, String name, int grade) {
+        this.feesPaid = 0;
+        this.feesTotal = 30000;
+        this.id = id;
+        this.name = name;
+        this.grade = grade;
+    }
+
+    public void setGrade(int grade) {
+        this.grade = grade;
+    }
+
+    public void updateFeesPaid(int feesPaid) {
+        this.feesPaid += feesPaid;
+        updateTotalMoneyEarned(feesPaid);
+    }
+
+    public int getId() {
+        return this.id;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public int getGrade() {
+        return this.grade;
+    }
+
+    public int getFeesPaid() {
+        return this.feesPaid;
+    }
+
+    public int getFeesTotal() {
+        return this.feesTotal;
+    }
+
+    public int getDueFees() {
+        return feesTotal-feesPaid;
+    }
+}
diff --git a/src/school/management/system/Teacher.java b/src/school/management/system/Teacher.java
new file mode 100644
index 0000000..4350c75
--- /dev/null
+++ b/src/school/management/system/Teacher.java
@@ -0,0 +1,32 @@
+package school.management.system;
+
+import static school.management.system.School.updateTotalMoneySpent;
+
+public class Teacher {
+    private int id;
+    private String name;
+    private int salary;
+
+    public Teacher(int id, String name, int salary) {
+        this.id = id;
+        this.name = name;
+        this.salary = salary;
+    }
+
+    public int getId() {
+        return this.id;
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public int getSalary() {
+        return this.salary;
+    }
+
+    public void setSalary(int salary) {
+        this.salary += salary;
+        updateTotalMoneySpent(salary);
+    }
+}