diff --git a/front/src/App.js b/front/src/App.js
index dd59bf8..97904c7 100644
--- a/front/src/App.js
+++ b/front/src/App.js
@@ -14,8 +14,8 @@ function Router(props) {
     const routes = [
       { index: true, element: <DrivingSchools /> },
       { path: '/', element: <DrivingSchools />, label: 'Сеть Автошкол' },
-      { path: '/students', element: <Students />, label: 'Студенты' },
       { path: '/drivingSchools', element: <DrivingSchools />, label: 'Автошколы' },
+      { path: '/students', element: <Students />, label: 'Студенты' },
       { path: '/categories', element: <Categories />, label: 'Категории' },
       { path: '/drivingSchool/:id', element: <OneDrivingSchool />},
     ];
diff --git a/front/src/components/OneDrivingSchool.jsx b/front/src/components/OneDrivingSchool.jsx
index e6cd4f4..72f2826 100644
--- a/front/src/components/OneDrivingSchool.jsx
+++ b/front/src/components/OneDrivingSchool.jsx
@@ -225,9 +225,9 @@ export default function OneDrivingSchool(props) {
         </Link>
         <h1>Название: {drivingSchool.name}</h1>
         <h2>Количество студентов: {drivingSchool.countStudents}</h2>
-        <Button name="Зачисление" onClick={showModalFormHire} variant="success">Зачислить студента</Button>
-        <Button name='Отчисление' onClick={showModalFormDismiss} variant="danger">Отчислить студента</Button>
-        <Button name='Выбор категории' onClick={showModalFormChooseCategory} variant="info">Выбор категории</Button>
+        <Button name="Зачисление" onClick={showModalFormHire} variant="btn btn-outline-success">Зачислить студента</Button>
+        <Button name='Отчисление' onClick={showModalFormDismiss} variant="btn btn-outline-danger">Отчислить студента</Button>
+        <Button name='Выбор категории' onClick={showModalFormChooseCategory} variant="btn btn-outline-primary">Выбор категории</Button>
         <div >
             <table className={`table table-hover`}>
             <thead>
diff --git a/front/src/components/commons/Header.jsx b/front/src/components/commons/Header.jsx
index 150a203..479c283 100644
--- a/front/src/components/commons/Header.jsx
+++ b/front/src/components/commons/Header.jsx
@@ -5,7 +5,7 @@ import Navbar from 'react-bootstrap/Navbar';
 
 export default function Header(props) {
     return (
-        <Navbar collapseOnSelect expand="lg" bg="dark" variant="dark">
+        <Navbar collapseOnSelect expand="lg" bg="primary" variant="primary">
       <Container className='lg justify-content-center'>
         <Navbar.Toggle aria-controls="responsive-navbar-nav" />
         <Navbar.Collapse id="responsive-navbar-nav">
diff --git a/front/src/components/commons/ItemTable.jsx b/front/src/components/commons/ItemTable.jsx
index cf396b9..997d40e 100644
--- a/front/src/components/commons/ItemTable.jsx
+++ b/front/src/components/commons/ItemTable.jsx
@@ -12,7 +12,7 @@ export default function ItemTable(props) {
             props.headers.map((header) => <td key={`${header.name}_${props.item.id}`}>{props.item[header.name]}</td>)
             }
             {props.isOnlyView || <td key={`controls_${props.item.id}`}>
-        <Button variant="info" onClick={edit}>Редактировать</Button>
-        <Button variant="danger" onClick={remove}>Удалить</Button></td>}
+        <Button variant="btn btn-outline-primary" onClick={edit}>Редактировать</Button>
+        <Button variant="btn btn-outline-danger" onClick={remove}>Удалить</Button></td>}
          </tr>
 }
\ No newline at end of file
diff --git a/src/main/java/ru/ulstu/is/cbapp/controller/DrivingSchoolController.java b/src/main/java/ru/ulstu/is/cbapp/controller/DrivingSchoolController.java
index 13fab2a..fbfe491 100644
--- a/src/main/java/ru/ulstu/is/cbapp/controller/DrivingSchoolController.java
+++ b/src/main/java/ru/ulstu/is/cbapp/controller/DrivingSchoolController.java
@@ -60,9 +60,9 @@ public class DrivingSchoolController {
     }
 
     @PutMapping("/{id}/dismiss")
-    public StudentDto dismiss(@PathVariable Long id, @RequestParam Long studentId) {
+    public void dismiss(@PathVariable Long id, @RequestParam Long studentId) {
         Student e = studentService.findStudent(studentId);
-        return new StudentDto(drivingSchoolService.deleteStudent(id, e));
+        drivingSchoolService.deleteStudent(id, e);
     }
 
 }
diff --git a/src/main/java/ru/ulstu/is/cbapp/models/DrivingSchool.java b/src/main/java/ru/ulstu/is/cbapp/models/DrivingSchool.java
index 3e4f9c4..86d67fe 100644
--- a/src/main/java/ru/ulstu/is/cbapp/models/DrivingSchool.java
+++ b/src/main/java/ru/ulstu/is/cbapp/models/DrivingSchool.java
@@ -10,7 +10,7 @@ public class DrivingSchool {
     private Long Id;
     @Column(unique = true)
     private String name;
-    @OneToMany(mappedBy = "drivingSchool", cascade = CascadeType.ALL, fetch = FetchType.EAGER)
+    @OneToMany(mappedBy = "drivingSchool", cascade = CascadeType.PERSIST, fetch = FetchType.EAGER)
     private Set<Student> students = new HashSet<>();
 
     public DrivingSchool(String name, Set<Student> students) {
@@ -41,7 +41,6 @@ public class DrivingSchool {
     public void deleteStudent(Student student) {
         students.remove(student);
         student.deleteDrivingSchool();
-
     }
 
     public Long getId() {
diff --git a/src/main/java/ru/ulstu/is/cbapp/service/DrivingSchoolService.java b/src/main/java/ru/ulstu/is/cbapp/service/DrivingSchoolService.java
index df1bcdd..678fd9d 100644
--- a/src/main/java/ru/ulstu/is/cbapp/service/DrivingSchoolService.java
+++ b/src/main/java/ru/ulstu/is/cbapp/service/DrivingSchoolService.java
@@ -1,7 +1,6 @@
 package ru.ulstu.is.cbapp.service;
 
 import ru.ulstu.is.cbapp.dao.DrivingSchoolRepository;
-import ru.ulstu.is.cbapp.dao.StudentRepository;
 import ru.ulstu.is.cbapp.models.DrivingSchool;
 import ru.ulstu.is.cbapp.models.Student;
 import jakarta.persistence.EntityNotFoundException;
@@ -13,11 +12,13 @@ import java.util.List;
 
 @Service
 public class DrivingSchoolService {
+
     private DrivingSchoolRepository drivingSchoolRepository;
-    private StudentRepository studentRepository;
-    public DrivingSchoolService(DrivingSchoolRepository drivingSchoolRepository, StudentRepository studentRepository) {
+    private StudentService studentService;
+
+    public DrivingSchoolService(DrivingSchoolRepository drivingSchoolRepository, StudentService studentService) {
         this.drivingSchoolRepository = drivingSchoolRepository;
-        this.studentRepository = studentRepository;
+        this.studentService = studentService;
     }
 
     @Transactional
@@ -76,9 +77,8 @@ public class DrivingSchoolService {
     }
 
     @Transactional
-    public Student deleteStudent(Long id, Student student) {
+    public void deleteStudent(Long id, Student student) {
         DrivingSchool currentDrivingSchool = findDrivingSchool(id);
         currentDrivingSchool.deleteStudent(student);
-        return studentRepository.save(student);
     }
 }
diff --git a/src/main/java/ru/ulstu/is/cbapp/service/StudentService.java b/src/main/java/ru/ulstu/is/cbapp/service/StudentService.java
index 8d2f8da..b5d7bd4 100644
--- a/src/main/java/ru/ulstu/is/cbapp/service/StudentService.java
+++ b/src/main/java/ru/ulstu/is/cbapp/service/StudentService.java
@@ -13,7 +13,9 @@ import java.util.List;
 
 @Service
 public class StudentService {
+
     private StudentRepository studentRepository;
+
     public StudentService(StudentRepository studentRepository) {
         this.studentRepository = studentRepository;
     }
@@ -105,4 +107,10 @@ public class StudentService {
         List<Student> students = studentRepository.findByCategories_Id(p.getId());
         return students;
     }
+
+    @Transactional
+    public Student saveStudent(Student s) {
+        studentRepository.save(s);
+        return s;
+    }
 }