Index: iknow-api/Models/PassedSubject.cs
===================================================================
--- iknow-api/Models/PassedSubject.cs	(revision c2f79d73d7219c8c8bcc00f5badba27a707b22be)
+++ iknow-api/Models/PassedSubject.cs	(revision c2f79d73d7219c8c8bcc00f5badba27a707b22be)
@@ -0,0 +1,20 @@
+namespace iknow_api.Models
+{
+    public enum Grade
+    {
+        Six = 6,
+        Seven = 7,
+        Eight = 8,
+        Nine = 9,
+        Ten = 10
+    }
+
+    public class PassedSubject
+    {
+        public int Id { get; set; }
+        public int SemesterSubjectId { get; set; }
+        public SemesterSubject? SemesterSubject { get; set; }
+        public Grade Grade { get; set; }
+        public DateTime DatePassed { get; set; }
+    }
+}