diff --git a/~dev_rating/application/classes/Controller/Admin/Accounts.php b/~dev_rating/application/classes/Controller/Admin/Accounts.php
index 2f2d809c27194b977dacb9225c087cd545e4d58b..3646f83414bb57d42d124eecd984d356f7f23424 100644
--- a/~dev_rating/application/classes/Controller/Admin/Accounts.php
+++ b/~dev_rating/application/classes/Controller/Admin/Accounts.php
@@ -10,7 +10,7 @@ class Controller_Admin_Accounts extends Controller_Environment_Admin
         Cookie::set('fD', 'true');
         $this->twig->set([
             'Faculties' => Model_Faculties::load(),
-            'Grades'    => Model_Grades::toStructuredArray(),
+            'Grades'    => Model_Grades::groupByDegree(),
         ])->set_filename('admin/accounts/codes');
     }
 }
diff --git a/~dev_rating/application/classes/Controller/Admin/Students.php b/~dev_rating/application/classes/Controller/Admin/Students.php
index b7cfcb695c91bc646b5286ce4f00169b5d8aee66..563ecf59b947fc4ed8f616cd10d235836b9153a0 100644
--- a/~dev_rating/application/classes/Controller/Admin/Students.php
+++ b/~dev_rating/application/classes/Controller/Admin/Students.php
@@ -5,14 +5,14 @@ class Controller_Admin_Students extends Controller_Environment_Admin
     public function action_index() {
         $this->twig->set([
             'Faculties' => Model_Faculties::load(),
-            'Grades'    => Model_Grades::toStructuredArray(),
+            'Grades'    => Model_Grades::groupByDegree(),
         ])->set_filename('admin/students/index');
     }
 
     public function action_add() {
         $this->twig->set([
             'Faculties' => Model_Faculties::load(),
-            'Grades'    => Model_Grades::toStructuredArray(),
+            'Grades'    => Model_Grades::groupByDegree(),
         ])->set_filename('admin/students/add');
     }
 
diff --git a/~dev_rating/application/classes/Controller/DeanOffice/Students.php b/~dev_rating/application/classes/Controller/DeanOffice/Students.php
index 6321ab847de71627ed6d99693870a237637f3d50..8007072c91b0a157786e02908f2986bd31fd927b 100644
--- a/~dev_rating/application/classes/Controller/DeanOffice/Students.php
+++ b/~dev_rating/application/classes/Controller/DeanOffice/Students.php
@@ -6,7 +6,7 @@ class Controller_DeanOffice_Students extends Controller_Environment_DeanOffice
     public function action_index() {
         $this->twig->set([
             'Faculties' => Model_Faculties::load(),
-            'Grades'    => Model_Grades::toStructuredArray(),
+            'Grades'    => Model_Grades::groupByDegree(),
         ])->set_filename(static::DEAN . '/students/index');
     }
 
diff --git a/~dev_rating/application/classes/Model/Grades.php b/~dev_rating/application/classes/Model/Grades.php
index c46125cc3ee8c2ffed60dfe9da89f74c03f67959..94d528cf9a0069777aafa3b865790be3a1d6b2ff 100644
--- a/~dev_rating/application/classes/Model/Grades.php
+++ b/~dev_rating/application/classes/Model/Grades.php
@@ -35,21 +35,13 @@ class Model_Grades extends Model
         }
     }
 
-    /** @return array an array with elements, grouped by grades. */
-    public static function toStructuredArray() {
-        $grades = self::toArray();
+    /** @return array */
+    public static function groupByDegree() {
         $list = [];
-        $degree = 'null';
-        $i = 0;
 
-        foreach ($grades as $row) {
-            if ($degree != $row['Degree']) {
-                $degree = $row['Degree'];
-                $i++;
-            }
-
-            $list[$i]['Title'] = RusLang::tr($row['Degree']);
-            $list[$i]['Grades'][] = $row;
+        foreach (self::getGrades() as $row) {
+            $degree = $row['Degree'];
+            $list[$degree][] = $row;
         }
 
         return $list;
diff --git a/~dev_rating/application/views/admin/accounts/codes.twig b/~dev_rating/application/views/admin/accounts/codes.twig
index 3aff72706fa8b7a35af1266c697546a919111b41..04b2b049e73767afaebcf442f5a9886752020476 100644
--- a/~dev_rating/application/views/admin/accounts/codes.twig
+++ b/~dev_rating/application/views/admin/accounts/codes.twig
@@ -48,12 +48,12 @@
         <div class="step_body">
             <select id="gradeSelect">
                 <option value="0">— Курс —</option>
-                {% for Degree in Grades %}
-                <optgroup label="{{ Degree.Title }}">
-                    {% for Grade in Degree.Grades %}
-                        <option value="{{ Grade.ID }}">{{ Grade.Num }} РєСѓСЂСЃ</option>
-                    {% endfor %}
-                </optgroup>
+                {% for Title, Degree in Grades %}
+                    <optgroup label="{{ Rus[Title] }}">
+                        {% for Grade in Degree %}
+                            <option value="{{ Grade.ID }}">{{ Grade.Num }} РєСѓСЂСЃ</option>
+                        {% endfor %}
+                    </optgroup>
                 {% endfor %}
             </select>
         </div>
diff --git a/~dev_rating/application/views/admin/students/add.twig b/~dev_rating/application/views/admin/students/add.twig
index 40a1b2a852c6800e3907aa8bea743a4f7bbad812..2362fc0c32827a64bb1ae95eaf985d94b6933120 100644
--- a/~dev_rating/application/views/admin/students/add.twig
+++ b/~dev_rating/application/views/admin/students/add.twig
@@ -44,12 +44,12 @@
             </select>
             <select id="gradeSelect">
                 <option value="0">— Курс —</option>
-                {% for Degree in Grades %}
-                <optgroup label="{{ Degree.Title }}">
-                    {% for Grade in Degree.Grades %}
-                        <option value="{{ Grade.ID }}">{{ Grade.Num }} РєСѓСЂСЃ</option>
-                    {% endfor %}
-                </optgroup>
+                {% for Title, Degree in Grades %}
+                    <optgroup label="{{ Rus[Title] }}">
+                        {% for Grade in Degree %}
+                            <option value="{{ Grade.ID }}">{{ Grade.Num }} РєСѓСЂСЃ</option>
+                        {% endfor %}
+                    </optgroup>
                 {% endfor %}
             </select>
             <select id="groupSelect">
diff --git a/~dev_rating/application/views/admin/students/index.twig b/~dev_rating/application/views/admin/students/index.twig
index 3de43e198dfa18989c49fb3f28a8f51f6619e7bd..62e35b9b8e25f520a7cbfd1f8dbbb2c2ae1b6e56 100644
--- a/~dev_rating/application/views/admin/students/index.twig
+++ b/~dev_rating/application/views/admin/students/index.twig
@@ -35,12 +35,12 @@
                     <div class='filter'>
                         <select id="gradeSelect">
                             <option value="0">— Курс —</option>
-                            {% for Degree in Grades %}
-                            <optgroup label="{{ Degree.Title }}">
-                                {% for Grade in Degree.Grades %}
-                                    <option value="{{ Grade.ID }}">{{ Grade.Num }} РєСѓСЂСЃ</option>
-                                {% endfor %}
-                            </optgroup>
+                            {% for Title, Degree in Grades %}
+                                <optgroup label="{{ Rus[Title] }}">
+                                    {% for Grade in Degree %}
+                                        <option value="{{ Grade.ID }}">{{ Grade.Num }} РєСѓСЂСЃ</option>
+                                    {% endfor %}
+                                </optgroup>
                             {% endfor %}
                         </select>
                     </div>
diff --git a/~dev_rating/application/views/dean_office/students/index.twig b/~dev_rating/application/views/dean_office/students/index.twig
index e778ec44a69731fdc6b18bb4507f1f1a179d535e..faf58bdcdd66859fcbb3175e28771f671c547c4e 100644
--- a/~dev_rating/application/views/dean_office/students/index.twig
+++ b/~dev_rating/application/views/dean_office/students/index.twig
@@ -25,9 +25,9 @@
                     <div class='filter'>
                         <select id="gradeSelect">
                             <option value="0">— Курс —</option>
-                            {% for Degree in Grades %}
-                                <optgroup label="{{ Degree.Title }}">
-                                    {% for Grade in Degree.Grades %}
+                            {% for Title, Degree in Grades %}
+                                <optgroup label="{{ Rus[Title] }}">
+                                    {% for Grade in Degree %}
                                         <option value="{{ Grade.ID }}">{{ Grade.Num }} РєСѓСЂСЃ</option>
                                     {% endfor %}
                                 </optgroup>