diff --git a/src/main/java/org/example/Administration.java b/src/main/java/org/example/Administration.java
index 8e6053b..f760a50 100644
--- a/src/main/java/org/example/Administration.java
+++ b/src/main/java/org/example/Administration.java
@@ -11,6 +11,7 @@ public class Administration {
     private List<Professor> professors;
     private List<Admin> admins;
     private List<Student> students;
+    private List<Course> courses;
     Scanner scanner = new Scanner(System.in);
 
     /**
@@ -21,9 +22,50 @@ public class Administration {
         this.professors = new ArrayList<>();
         this.admins = new ArrayList<>();
         this.students = new ArrayList<>();
+        this.courses = new ArrayList<>();
 
     }
 
+    /**
+     * Adds a course to the list of courses.
+     *
+     * @param course The course to be added.
+     */
+    public void addCourse(Course course){
+        courses.add(course);
+    }
+
+    /**
+     * Deletes a course from the list of courses based on its course ID.
+     *
+     * @param courseID The course ID of the course to be deleted.
+     * @return true if the course is successfully deleted, false otherwise.
+     */
+    public boolean deleteCourse(String courseID){
+        for(Course course : courses){
+            if(course.getCourseCode().equals(courseID)){
+                courses.remove(course);
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Finds a course in the list of courses based on its course ID.
+     *
+     * @param courseID The course ID of the course to be found.
+     * @return The course with the specified course ID, or null if not found.
+     */
+    public Course findCourseByID(String courseID){
+        for(Course course : courses){
+            if(course.getCourseCode().equals(courseID)){
+                return course;
+            }
+        }
+        return null;
+    }
+
     /**
      *
      * @param professorID the id of the professor you want to be deleted from the system
@@ -70,8 +112,6 @@ public class Administration {
     }
 
 
-
-
     /**
      *
      * @param adminID the id of the admin you want to be deleted from the system
diff --git a/src/test/java/org/example/AdministrationTest.java b/src/test/java/org/example/AdministrationTest.java
index 26b22f9..a5d4da5 100644
--- a/src/test/java/org/example/AdministrationTest.java
+++ b/src/test/java/org/example/AdministrationTest.java
@@ -6,15 +6,17 @@ import static org.junit.jupiter.api.Assertions.*;
 
 class AdministrationTest {
 
+    Administration admin = new Administration();
+    private static final Course sampleCourse = new Course("Math", "M101", 4);
+
     // Test the findProfessorById Method
     @Test
     void findProfessorById() {
-        Administration administration = new Administration();
         Professor prof1 = new Professor("P1001", "Aaron", "Professor");
 
-        administration.addProfessor(prof1);
+        admin.addProfessor(prof1);
 
-        Professor foundProf1 = administration.findProfessorById("P1001");
+        Professor foundProf1 = admin.findProfessorById("P1001");
         assertEquals(prof1, foundProf1);
 
 
@@ -24,7 +26,6 @@ class AdministrationTest {
     @Test
     void isNumber() {
 
-        Administration administration = new Administration();
         String full01 = "S1002"; //Supposed student id
         // String str1 = full01.substring(1); //String without the Letter
         String full02 = "S100Z"; //Supposed student id
@@ -33,9 +34,9 @@ class AdministrationTest {
         // String str3 = full03.substring(1); //String without the Letter
 
         //checks if the substrings contain only digits
-        boolean test01 = administration.isNumber(full01);
-        boolean test02 = administration.isNumber(full02);
-        boolean test03 = administration.isNumber(full03);
+        boolean test01 = admin.isNumber(full01);
+        boolean test02 = admin.isNumber(full02);
+        boolean test03 = admin.isNumber(full03);
 
         assertEquals(true, test01); //only digits besides the first letter
         assertEquals(false, test02); // false, because the Z at the end
@@ -45,16 +46,15 @@ class AdministrationTest {
 
     @Test
     void rightPrefix() {
-        Administration administration = new Administration();
 
         String full01 = "S1002"; //Supposed Student id
         String full02 = "s100Z"; //Supposed Student id
         String full03 = "X1004"; // Supposed Professor id
 
 
-        boolean test01 = administration.rightPrefix(full01, 1); //checks if the id is correct,  "1" because we are expecting a student id
-        boolean test02 = administration.rightPrefix(full02, 1); //checks if the id is correct, "1" because we are expecting a student id
-        boolean test03 = administration.rightPrefix(full03, 3); //checks if the id is correct, "3" because we are expecting a professor id
+        boolean test01 = admin.rightPrefix(full01, 1); //checks if the id is correct,  "1" because we are expecting a student id
+        boolean test02 = admin.rightPrefix(full02, 1); //checks if the id is correct, "1" because we are expecting a student id
+        boolean test03 = admin.rightPrefix(full03, 3); //checks if the id is correct, "3" because we are expecting a professor id
 
         assertEquals(true, test01);
         assertEquals(false, test02);
@@ -63,13 +63,54 @@ class AdministrationTest {
 @org.junit.jupiter.api.Test
 
     void findStudentById(){
-        Administration administration = new Administration();
         Student student = new Student("Mark", "S1001", "Student");
 
-        administration.addStudents(student);
+        admin.addStudents(student);
 
-        Student student2 = administration.findStudentById("S1001");
+        Student student2 = admin.findStudentById("S1001");
         assertEquals(student, student2);
     }
 
+    /**
+     * Test case for the addCourse method.
+     * Adds a course to the Administration instance and checks if it can be found by its ID.
+     */
+    @Test
+    void addCourse() {
+        Course course = sampleCourse;
+        admin.addCourse(course);
+        assertEquals(course, admin.findCourseByID("M101"));
+    }
+
+    /**
+     * Test case for the deleteCourse method.
+     * Adds a course, deletes it, and checks if it's no longer found.
+     */
+    @Test
+    public void testDeleteCourse() {
+        // Adding a course
+        Course course = sampleCourse;
+        admin.addCourse(course);
+
+        // Deleting the course
+        assertTrue(admin.deleteCourse("M101"));
+
+        // Checking if the course is no longer found
+        assertNull(admin.findCourseByID("M101"));
+    }
+
+    /**
+     * Test case for the findCourseByID method.
+     * Adds a course and checks if it can be found by its ID.
+     */
+    @Test
+    public void testFindCourseByID() {
+        // Adding a course
+        Course course = sampleCourse;
+        admin.addCourse(course);
+
+        // Finding the added course
+        assertEquals(course, admin.findCourseByID("M101"));
+    }
+
 }
\ No newline at end of file