diff --git a/app/Policies/StudentPolicy.php b/app/Policies/StudentPolicy.php
index b30c231..c0f2155 100644
--- a/app/Policies/StudentPolicy.php
+++ b/app/Policies/StudentPolicy.php
@@ -47,4 +47,9 @@ class StudentPolicy
     {
         return $user->userable_type != Admin::class;
     }
+
+    public function debts(User $user): bool
+    {
+        return $user->userable_type == Student::class;
+    }
 }
diff --git a/app/Policies/SubjectPolicy.php b/app/Policies/SubjectPolicy.php
index d62acbb..425db37 100644
--- a/app/Policies/SubjectPolicy.php
+++ b/app/Policies/SubjectPolicy.php
@@ -3,11 +3,17 @@
 namespace App\Policies;
 
 use App\Models\Admin;
+use App\Models\Student;
 use App\Models\Subject;
+use App\Models\Teacher;
 use App\Models\User;
 
 class SubjectPolicy
 {
+    public function viewAny(User $user): bool
+    {
+        return $user->userable_type != Teacher::class;
+    }
     /**
      * Determine whether the user can create models.
      */
@@ -31,4 +37,9 @@ class SubjectPolicy
     {
         return $user->userable_type == Admin::class;
     }
+
+    public function scores(User $user, Subject $subject): bool
+    {
+        return $user->userable_type == Student::class;
+    }
 }
diff --git a/app/Policies/TeacherPolicy.php b/app/Policies/TeacherPolicy.php
index 209a5d4..cfe16d9 100644
--- a/app/Policies/TeacherPolicy.php
+++ b/app/Policies/TeacherPolicy.php
@@ -48,4 +48,9 @@ class TeacherPolicy
     {
         return $user->userable_type == Admin::class;
     }
+
+    public function teacherSubjects(User $user, Teacher $teacher): bool
+    {
+        return $user->userable_type == Student::class;
+    }
 }
diff --git a/resources/views/layouts/navigation.blade.php b/resources/views/layouts/navigation.blade.php
index 678f1be..18921fb 100644
--- a/resources/views/layouts/navigation.blade.php
+++ b/resources/views/layouts/navigation.blade.php
@@ -5,49 +5,49 @@
             <div class="flex">
                 <!-- Logo -->
                 <div class="shrink-0 flex items-center">
-                    <a href="{{ route('grades.index') }}">
-                        <x-application-logo class="block h-9 w-auto fill-current text-gray-800" />
-                    </a>
+                    <x-application-logo class="block h-9 w-auto fill-current text-gray-800" />
                 </div>
 
                 <!-- Navigation Links -->
-                @if(\Illuminate\Support\Facades\Auth::user()->userable_type != \App\Models\Student::class)
-                <div class="hidden space-x-8 sm:-my-px sm:ms-10 sm:flex">
-                    <x-nav-link :href="route('grades.index')" :active="request()->routeIs('grades.index')">
-                        {{ __('Классы') }}
-                    </x-nav-link>
-                </div>
-                @endif
+                @can('viewAny', \App\Models\Grade::class)
+                    <div class="hidden space-x-8 sm:-my-px sm:ms-10 sm:flex">
+                        <x-nav-link :href="route('grades.index')" :active="request()->routeIs('grades.index')">
+                            {{ __('Классы') }}
+                        </x-nav-link>
+                    </div>
+                @endcan
 
-                <div class="hidden space-x-8 sm:-my-px sm:ms-10 sm:flex">
-                    <x-nav-link :href="route('subjects.index')" :active="request()->routeIs('subjects.index')">
-                        {{ __('Предметы') }}
-                    </x-nav-link>
-                </div>
+                @can('viewAny', \App\Models\Subject::class)
+                    <div class="hidden space-x-8 sm:-my-px sm:ms-10 sm:flex">
+                        <x-nav-link :href="route('subjects.index')" :active="request()->routeIs('subjects.index')">
+                            {{ __('Предметы') }}
+                        </x-nav-link>
+                    </div>
+                @endcan
 
-                @if(\Illuminate\Support\Facades\Auth::user()->userable_type != \App\Models\Student::class)
-                <div class="hidden space-x-8 sm:-my-px sm:ms-10 sm:flex">
-                    <x-nav-link :href="route('students.index')" :active="request()->routeIs('students.index')">
-                        {{ __('Студенты') }}
-                    </x-nav-link>
-                </div>
-                @endif
+                @can('viewAny', \App\Models\Student::class)
+                    <div class="hidden space-x-8 sm:-my-px sm:ms-10 sm:flex">
+                        <x-nav-link :href="route('students.index')" :active="request()->routeIs('students.index')">
+                            {{ __('Студенты') }}
+                        </x-nav-link>
+                    </div>
+                @endcan
 
-                @if(\Illuminate\Support\Facades\Auth::user()->userable_type != \App\Models\Teacher::class)
-                <div class="hidden space-x-8 sm:-my-px sm:ms-10 sm:flex">
-                    <x-nav-link :href="route('teachers.index')" :active="request()->routeIs('teachers.index')">
-                        {{ __('Учителя') }}
-                    </x-nav-link>
-                </div>
-                @endif
+                @can('viewAny', \App\Models\Teacher::class)
+                    <div class="hidden space-x-8 sm:-my-px sm:ms-10 sm:flex">
+                        <x-nav-link :href="route('teachers.index')" :active="request()->routeIs('teachers.index')">
+                            {{ __('Учителя') }}
+                        </x-nav-link>
+                    </div>
+                @endcan
 
-                @if(\Illuminate\Support\Facades\Auth::user()->userable_type == \App\Models\Student::class)
+                @can('debts', \App\Models\Student::class)
                     <div class="hidden space-x-8 sm:-my-px sm:ms-10 sm:flex">
                         <x-nav-link :href="route('student-debts')" :active="request()->routeIs('student-debts')">
                             {{ __('Задолженности') }}
                         </x-nav-link>
                     </div>
-                @endif
+                @endcan
             </div>
 
             <!-- Settings Dropdown -->
@@ -99,9 +99,35 @@
     <!-- Responsive Navigation Menu -->
     <div :class="{'block': open, 'hidden': ! open}" class="hidden sm:hidden">
         <div class="pt-2 pb-3 space-y-1">
-            <x-responsive-nav-link :href="route('dashboard')" :active="request()->routeIs('dashboard')">
-                {{ __('Dashboard') }}
-            </x-responsive-nav-link>
+            @can('viewAny', \App\Models\Grade::class)
+                <x-responsive-nav-link :href="route('grades.index')" :active="request()->routeIs('grades.index')">
+                    {{ __('Классы') }}
+                </x-responsive-nav-link>
+            @endcan
+
+            @can('viewAny', \App\Models\Subject::class)
+                <x-responsive-nav-link :href="route('subjects.index')" :active="request()->routeIs('subjects.index')">
+                    {{ __('Предметы') }}
+                </x-responsive-nav-link>
+            @endcan
+
+            @can('viewAny', \App\Models\Student::class)
+                <x-responsive-nav-link :href="route('students.index')" :active="request()->routeIs('students.index')">
+                    {{ __('Студенты') }}
+                </x-responsive-nav-link>
+            @endcan
+
+            @can('viewAny', \App\Models\Teacher::class)
+                <x-responsive-nav-link :href="route('teachers.index')" :active="request()->routeIs('teachers.index')">
+                    {{ __('Учителя') }}
+                </x-responsive-nav-link>
+            @endcan
+
+            @can('debts', \App\Models\Student::class)
+                <x-responsive-nav-link :href="route('student-debts')" :active="request()->routeIs('student-debts')">
+                    {{ __('Задолженности') }}
+                </x-responsive-nav-link>
+            @endcan
         </div>
 
         <!-- Responsive Settings Options -->
diff --git a/resources/views/subjects/index.blade.php b/resources/views/subjects/index.blade.php
index ac9887c..82a9ec9 100644
--- a/resources/views/subjects/index.blade.php
+++ b/resources/views/subjects/index.blade.php
@@ -34,11 +34,13 @@
                                         {{ $subject->name }}
                                     </div>
                                 </td>
+                                @can('scores', $subject)
                                     <td>
                                         <div>
                                             <a href="{{ route('student-scores', $subject) }}" class="btn btn-success">Оценки</a>
                                         </div>
                                     </td>
+                                @endcan
                                 @can('update', $subject)
                                     <td>
                                         <div>
diff --git a/resources/views/teachers/index.blade.php b/resources/views/teachers/index.blade.php
index 927aa8f..7490690 100644
--- a/resources/views/teachers/index.blade.php
+++ b/resources/views/teachers/index.blade.php
@@ -31,14 +31,20 @@
                                 <tr>
                                     <td class="table-text">
                                         <div>
-                                            {{ $teacher->fio }}
-                                        </div>
-                                    </td>
-                                    <td>
-                                        <div>
-                                            <a href="{{ route('teachers.subjects.index', $teacher) }}" class="btn btn-warning">Предметы</a>
+                                            @can('view', $teacher)
+                                                <a href="{{ route('teachers.show', $teacher) }}" class="btn btn-block">{{ $teacher->fio }}</a>
+                                            @else
+                                                {{ $teacher->fio }}
+                                            @endcan
                                         </div>
                                     </td>
+                                    @can('teacherSubjects', $teacher)
+                                        <td>
+                                            <div>
+                                                <a href="{{ route('teachers.subjects.index', $teacher) }}" class="btn btn-warning">Предметы</a>
+                                            </div>
+                                        </td>
+                                    @endcan
                                     @can('update', $teacher)
                                         <td>
                                             <div>