diff --git a/README.md b/README.md
index 02b8008..389d5f4 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ This URL leads to the home page where you can login with this testing admin acco
 - Homepage text changeable
 - Email integration?
   - 2FA?
-- Students code for getting information?
+- Students code for getting information and giving feedback
 - Database scripts
 - Logging
 - Documentation with Sphinx
diff --git a/advlabdb/modelViews.py b/advlabdb/modelViews.py
index 32d1c5e..d4b6a16 100644
--- a/advlabdb/modelViews.py
+++ b/advlabdb/modelViews.py
@@ -4,7 +4,7 @@ from flask_admin.menu import MenuLink
 from flask_admin.model.template import EndpointLinkRowAction
 from flask_security import current_user, hash_password
 from sqlalchemy import func
-from wtforms import Form, BooleanField, SelectField, TextField, RadioField, IntegerField
+from wtforms import Form, BooleanField, SelectField, TextField, RadioField
 from wtforms.validators import DataRequired, Email, Optional
 from flask_admin.contrib.sqla.fields import QuerySelectMultipleField, QuerySelectField
 from flask_admin.helpers import get_form_data
@@ -112,11 +112,8 @@ class SemesterView(SecureModelView):
     column_details_list = column_list + ["active_users"]
     form_columns = ["semester_label", "year", "transfer_parts", "transfer_assistants"]
 
-    semesterLabels = ["WS", "SS"]
     form_extra_fields = {
-        "semester_label": RadioField(
-            "Semester", choices=list(zip(semesterLabels, semesterLabels)), validators=[DataRequired()]
-        ),
+        "semester_label": RadioField("Semester", choices=["WS", "SS"], validators=[DataRequired()]),
         "year": TextField("Year", validators=[DataRequired()]),
         "transfer_parts": BooleanField(
             "Transfer parts",
@@ -242,7 +239,8 @@ class PartStudentView(SecureModelView):
     class EditForm(CreateForm):
         student = None
         part = None
-        final_part_mark = IntegerField("Final Part Mark", validators=[Optional()])
+        marks = range(16)[::-1]
+        final_part_mark = SelectField("Final Part Mark", choices=[(-1, "-")] + list(zip(marks, marks)), coerce=int)
 
     form = EditForm
 
@@ -267,6 +265,12 @@ class PartStudentView(SecureModelView):
         else:
             return super().handle_view_exception(exc)
 
+    def update_model(self, form, model):
+        if form.final_part_mark.data == -1:
+            form.final_part_mark.data = None
+
+        return super().update_model(form, model)
+
 
 class GroupView(SecureModelView):
     class CreateForm(Form):
diff --git a/advlabdb/models.py b/advlabdb/models.py
index dfd013a..3d8a537 100644
--- a/advlabdb/models.py
+++ b/advlabdb/models.py
@@ -293,7 +293,7 @@ class ExperimentMark(db.Model):
     __table_args__ = (db.UniqueConstraint(part_student_id, group_experiment_id),)
 
     def repr(self):
-        return f"Oral {round(self.oral_mark, 1)}; Prot {round(self.protocol_mark, 1)}"
+        return f"Oral {self.oral_mark}; Prot {self.protocol_mark}"
 
     def __repr__(self):
         return f"<EXPMARL {self.repr()}>"