Index: iknow-api/Models/HighSchool.cs
===================================================================
--- iknow-api/Models/HighSchool.cs	(revision cab02ada65fcd8feda776e5afc86a355f29c7f96)
+++ iknow-api/Models/HighSchool.cs	(revision 2d64b2e1e96d2ca623370d7fe5be29a09fe3f360)
@@ -3,7 +3,7 @@
 namespace iknow_api.Models
 {
-    public enum type
+    public enum HighSchoolType
     {
-        strucen, gimnazija
+        Strucen, Gimnazija
     }
     public class HighSchool
@@ -11,8 +11,8 @@
         public int Id { get; set; }
         public float GPA { get; set; }
-        public type tip { get; set; }
-
+        public HighSchoolType HighSchoolType { get; set; }
         public int UserId { get; set; }
-        public User User { get; set; }
+        public User? User { get; set; }
+        public string? StudyLanguage { get; set; }
     }
 }