diff --git a/advlabdb/adminModelViews.py b/advlabdb/adminModelViews.py
index 723dd4a..e9d9808 100644
--- a/advlabdb/adminModelViews.py
+++ b/advlabdb/adminModelViews.py
@@ -8,7 +8,7 @@ from flask_security import admin_change_password, current_user, hash_password
 from sqlalchemy import func, or_
 from wtforms import BooleanField, Form, RadioField, SelectField, TextField
 from wtforms.fields.html5 import DateField
-from wtforms.validators import URL, DataRequired, Email, Optional
+from wtforms.validators import URL, DataRequired, Email, Optional, NumberRange
 
 from advlabdb import adminSpace, app, db, user_datastore
 from advlabdb.configUtils import getConfig
@@ -559,6 +559,7 @@ class AppointmentView(SecureAdminModelView):
         "group_experiment.semester_experiment.experiment",
         "assistant",
     ]
+    column_editable_list = ["date", "special"]
 
     def queryFilter(self):
         return Appointment.group_experiment.has(
@@ -572,7 +573,12 @@ class AppointmentView(SecureAdminModelView):
 
     def update_model(self, form, model):
         try:
-            model.customUpdate(form.date.data, form.special.data, form.assistant.data, form.group_experiment.data)
+            if not form.date:
+                model.customUpdateSpecial(form.special.data)
+            elif not form.special:
+                model.customUpdateDate(form.date.data)
+            else:
+                model.customUpdate(form.date.data, form.special.data, form.assistant.data, form.group_experiment.data)
 
             self.on_model_change(form, model, False)
             self.session.commit()
@@ -580,7 +586,6 @@ class AppointmentView(SecureAdminModelView):
             flash(str(ex), "error")
 
             self.session.rollback()
-
             return False
         else:
             self.after_model_change(form, model, False)
@@ -622,25 +627,33 @@ class ExperimentMarkView(SecureAdminModelView):
 
     form = CreateForm
 
+    column_editable_list = ["oral_mark", "protocol_mark"]
+    form_args = {
+        "oral_mark": {"validators": [NumberRange(0, 15)]},
+        "protocol_mark": {"validators": [NumberRange(0, 15)]},
+    }
+
     column_filters = [
         StudentIdFilter(PartStudent.id, "Student / ID"),
         "part_student.student",
+        "group_experiment.group",
         "group_experiment.semester_experiment.semester",
         "group_experiment.semester_experiment.experiment",
         "assistant",
         "edited_by_admin",
     ]
+    column_default_sort = [("oral_mark", False), ("protocol_mark", False)]
 
-    def queryFilter(self=None):
+    def queryFilter(self):
         return ExperimentMark.group_experiment.has(
             GroupExperiment.semester_experiment.has(SemesterExperiment.semester == userActiveSemester())
         )
 
     def checkForm(form):
-        if form.oral_mark.data == -1:
+        if form.oral_mark and form.oral_mark.data == -1:
             form.oral_mark.data = None
 
-        if form.protocol_mark.data == -1:
+        if form.protocol_mark and form.protocol_mark.data == -1:
             form.protocol_mark.data = None
 
         return form