diff --git a/advlabdb/custom_classes.py b/advlabdb/custom_classes.py
index f2c3ee2..ffda51c 100644
--- a/advlabdb/custom_classes.py
+++ b/advlabdb/custom_classes.py
@@ -4,7 +4,7 @@ from flask_admin.contrib.sqla import ModelView
 from flask_admin.helpers import get_form_data
 from flask_admin.model.helpers import get_mdict_item_or_list
 from flask_login import current_user
-from sqlalchemy import select
+from sqlalchemy import func, select
 
 from .exceptions import DatabaseException, ModelViewException
 from .model_independent_funs import reportBadAttempt
@@ -48,22 +48,21 @@ class SecureAdminIndexView(CustomIndexView):
 
     @expose("/")
     def index(self):
-        active_semester_experiment_mark_ids_stmt = (
-            select(ExperimentMark.final_experiment_mark)
-            .join(PartStudent)
-            .join(Part)
-            .where(Part.semester == current_user.active_semester)
-        )
-        number_of_all_experiment_marks = get_count(active_semester_experiment_mark_ids_stmt)
-
-        number_of_missing_final_experiment_marks = get_count(
-            active_semester_experiment_mark_ids_stmt.where(ExperimentMark.final_experiment_mark == None)
+        assistants_num_missing = db.session.execute(
+            select(Assistant, func.count())
+            .join(Assistant.semester_experiments)
+            .where(SemesterExperiment.semester == current_user.active_semester)
+            .join(SemesterExperiment.group_experiments)
+            .where(GroupExperiment.experiment_marks_missing == True)
+            .join(GroupExperiment.experiment_marks)
+            .where(ExperimentMark.final_experiment_mark == None)
+            .group_by(Assistant.id)
+            .order_by(func.count().desc())
         )
 
         return self.render(
             "admin_index.jinja.html",
-            number_of_missing_final_experiment_marks=number_of_missing_final_experiment_marks,
-            number_of_all_experiment_marks=number_of_all_experiment_marks,
+            assistants_num_missing=assistants_num_missing,
         )
 
 
diff --git a/advlabdb/templates/admin_index.jinja.html b/advlabdb/templates/admin_index.jinja.html
index b343060..03f745e 100644
--- a/advlabdb/templates/admin_index.jinja.html
+++ b/advlabdb/templates/admin_index.jinja.html
@@ -1,4 +1,4 @@
-{% from "macros.jinja.html" import information, missing_final_experiment_marks %}
+{% from "macros.jinja.html" import information %}
 {% extends "admin/index.html" %}
 
 {% block body %}
@@ -6,7 +6,35 @@
 
     <hr>
 
-    {{ missing_final_experiment_marks(number_of_missing_final_experiment_marks, number_of_all_experiment_marks) }}
+    <div class="d-inline-flex">
+        <div class="table">
+            <table class="table table-bordered">
+                <thead class="thead-dark">
+                    <tr>
+                        <th scope="col">
+                            Assistant
+                        </th>
+                        <th scope="col">
+                            Missing experiment marks
+                        </th>
+                    </tr>
+                </thead>
+
+                <tbody>
+                    {% for assistant_num_missing in assistants_num_missing %}
+                        <tr>
+                            <td>
+                                {{ assistant_num_missing[0] }}
+                            </td>
+                            <td>
+                                {{ assistant_num_missing[1] }}
+                            </td>
+                        </tr>
+                    {% endfor %}
+                </tbody>
+            </table>
+        </div>
+    </div>
 
     {{ super() }}
 
diff --git a/advlabdb/templates/assistant_index.jinja.html b/advlabdb/templates/assistant_index.jinja.html
index 8b789a6..ad8e6cc 100644
--- a/advlabdb/templates/assistant_index.jinja.html
+++ b/advlabdb/templates/assistant_index.jinja.html
@@ -1,4 +1,4 @@
-{% from "macros.jinja.html" import information, missing_final_experiment_marks %}
+{% from "macros.jinja.html" import information %}
 {% extends "admin/index.html" %}
 
 {% block body %}
@@ -6,7 +6,10 @@
 
     <hr>
 
-    {{ missing_final_experiment_marks(number_of_missing_final_experiment_marks, number_of_all_experiment_marks)}}
+    <p>
+        Number of <strong>missing</strong> final experiment marks:
+        {{ number_of_missing_final_experiment_marks }} / {{ number_of_all_experiment_marks }}
+    </p>
 
     {{ super() }}
 
diff --git a/advlabdb/templates/macros.jinja.html b/advlabdb/templates/macros.jinja.html
index a1e076e..1213c97 100644
--- a/advlabdb/templates/macros.jinja.html
+++ b/advlabdb/templates/macros.jinja.html
@@ -2,30 +2,17 @@
     User:
     <a
         href="{{ url_for('main.index') }}{{ role }}/user/edit/?id={{ current_user.id }}"
-    >
-        {{ current_user }}
-    </a>
+    >{{ current_user }}</a>
     | Active semester: {{ active_semester_str() }}
     {% if (role == "admin") and (current_user.has_role("assistant")) %}
         |
         <a
             href="{{ url_for('main.index') }}assistant"
-        >
-            Assistant space
-        </a>.
+        >Assistant space</a>.
     {% elif (role == "assistant") and (current_user.has_role("admin")) %}
         |
         <a
             href="{{ url_for('main.index') }}admin"
-        >
-            Admin space
-        </a>.
+        >Admin space</a>.
     {% endif %}
 {% endmacro %}
-
-{% macro missing_final_experiment_marks(number_of_missing_final_experiment_marks, number_of_all_experiment_marks) %}
-    <p>
-        Number of <strong>missing</strong> final experiment marks:
-        {{ number_of_missing_final_experiment_marks }} / {{ number_of_all_experiment_marks }}
-    </p>
-{% endmacro %}