diff --git a/LearningAPI/views/student_view.py b/LearningAPI/views/student_view.py
index 8061289..16501bd 100644
--- a/LearningAPI/views/student_view.py
+++ b/LearningAPI/views/student_view.py
@@ -565,16 +565,16 @@ class CohortStudentSerializer(serializers.Serializer):
     name = serializers.CharField(max_length=100)
     current_cohort = serializers.DictField()
     avatar = serializers.CharField(allow_blank=True, allow_null=True)
-    assessment_status_id = serializers.IntegerField(allow_blank=True, allow_null=True)
+    assessment_status_id = serializers.IntegerField(allow_null=True)
     assessment_url = serializers.CharField(max_length=256, allow_blank=True, allow_null=True)
-    project_id = serializers.IntegerField(allow_blank=True, allow_null=True)
-    project_duration = serializers.IntegerField(allow_blank=True, allow_null=True)
-    project_index = serializers.IntegerField(allow_blank=True, allow_null=True)
+    project_id = serializers.IntegerField(allow_null=True)
+    project_duration = serializers.IntegerField(allow_null=True)
+    project_index = serializers.IntegerField(allow_null=True)
     project_name = serializers.CharField(max_length=100)
-    book_id = serializers.IntegerField(allow_blank=True, allow_null=True)
-    book_index = serializers.IntegerField(allow_blank=True, allow_null=True)
+    book_id = serializers.IntegerField(allow_null=True)
+    book_index = serializers.IntegerField(allow_null=True)
     book_name = serializers.CharField(max_length=100)
-    score = serializers.IntegerField(allow_blank=True, allow_null=True)
+    score = serializers.IntegerField(allow_null=True)
     notes = serializers.ListField(allow_empty=True, required=False)
     proposals = serializers.ListField(allow_empty=True, required=False)
     tags = serializers.ListField(allow_empty=True, required=False)