diff --git a/data.json b/data.json
index 547a891..8a86b0a 100644
--- a/data.json
+++ b/data.json
@@ -1,155 +1,155 @@
 {
-  "users": [
-    {
-      "id": 1,
-      "name": "Никита",
-      "surname": "Потапов",
-      "username": "nspotapov",
-      "password": "123456",
-      "isTeacher": false,
-      "groupId": 1
-    },
-    {
-      "id": 2,
-      "name": "Алексей",
-      "surname": "Филиппов",
-      "username": "afilippov",
-      "password": "123456",
-      "isTeacher": true,
-      "groupId": null
-    },
-    {
-      "id": 3,
-      "name": "Елена",
-      "surname": "Бакальская",
-      "username": "ekallin",
-      "password": "123456",
-      "isTeacher": false,
-      "groupId": 1
-    },
-    {
-      "name": "Алексей",
-      "surname": "Крюков",
-      "username": "akrukov",
-      "password": "123",
-      "isTeacher": false,
-      "groupId": 1,
-      "id": 4
-    }
-  ],
-  "groups": [
-    {
-      "id": 1,
-      "name": "пибд-21"
-    }
-  ],
-  "subjects": [
-    {
-      "id": 1,
-      "name": "Интернет программирование"
-    },
-    {
-      "id": 2,
-      "name": "РПП"
-    },
-    {
-      "id": 3,
-      "name": "Физическая культура"
-    },
-    {
-      "id": 4,
-      "name": "Системный анализ"
-    },
-    {
-      "id": 5,
-      "name": "Системное администрирование"
-    },
-    {
-      "id": 6,
-      "name": "Основы теории систем"
-    },
-    {
-      "id": 7,
-      "name": "Иностранный язык"
-    },
-    {
-      "id": 8,
-      "name": "Философия"
-    },
-    {
-      "id": 9,
-      "name": "Теория вероятностей"
-    },
-    {
-      "id": 10,
-      "name": "Операционные системы"
-    },
-    {
-      "id": 11,
-      "name": "Основы ЭВМ и систем"
-    },
-    {
-      "id": 12,
-      "name": "Базы данных"
-    }
-  ],
-  "marks": [
-    {
-      "id": 2,
-      "name": "неуд",
-      "controltypeId": 1
-    },
-    {
-      "id": 3,
-      "name": "удов",
-      "controltypeId": 1
-    },
-    {
-      "id": 4,
-      "name": "хорошо",
-      "controltypeId": 1
-    },
-    {
-      "id": 5,
-      "name": "отлично",
-      "controltypeId": 1
-    },
-    {
-      "id": 6,
-      "name": "зачтено",
-      "controltypeId": 2
-    },
-    {
-      "id": 7,
-      "name": "незачет",
-      "controltypeId": 2
-    }
-  ],
-  "statements": [
-    {
-      "id": 1,
-      "subjectId": 1,
-      "groupId": 1,
-      "controlTypeId": 2,
-      "date": "Dec 23 2023"
-    }
-  ],
-  "controltypes": [
-    {
-      "id": 1,
-      "name": "Экзамен"
-    },
-    {
-      "id": 2,
-      "name": "Зачет"
-    }
-  ],
-  "usermarks": [
-    {
-      "id": 1,
-      "userId": 1,
-      "markId": 1,
-      "statementId": 1
-    }
-  ]
-}
\ No newline at end of file
+    "users": [
+        {
+            "id": 1,
+            "name": "Никита",
+            "surname": "Потапов",
+            "username": "nspotapov",
+            "password": "123456",
+            "isTeacher": false,
+            "groupId": 1
+        },
+        {
+            "id": 2,
+            "name": "Алексей",
+            "surname": "Филиппов",
+            "username": "afilippov",
+            "password": "123456",
+            "isTeacher": true,
+            "groupId": null
+        },
+        {
+            "id": 3,
+            "name": "Елена",
+            "surname": "Бакальская",
+            "username": "ekallin",
+            "password": "123456",
+            "isTeacher": false,
+            "groupId": 1
+        },
+        {
+            "name": "Алексей",
+            "surname": "Крюков",
+            "username": "akrukov",
+            "password": "123",
+            "isTeacher": false,
+            "groupId": 1,
+            "id": 4
+        }
+    ],
+    "groups": [
+        {
+            "id": 1,
+            "name": "пибд-21"
+        }
+    ],
+    "subjects": [
+        {
+            "id": 1,
+            "name": "Интернет программирование"
+        },
+        {
+            "id": 2,
+            "name": "РПП"
+        },
+        {
+            "id": 3,
+            "name": "Физическая культура"
+        },
+        {
+            "id": 4,
+            "name": "Системный анализ"
+        },
+        {
+            "id": 5,
+            "name": "Системное администрирование"
+        },
+        {
+            "id": 6,
+            "name": "Основы теории систем"
+        },
+        {
+            "id": 7,
+            "name": "Иностранный язык"
+        },
+        {
+            "id": 8,
+            "name": "Философия"
+        },
+        {
+            "id": 9,
+            "name": "Теория вероятностей"
+        },
+        {
+            "id": 10,
+            "name": "Операционные системы"
+        },
+        {
+            "id": 11,
+            "name": "Основы ЭВМ и систем"
+        },
+        {
+            "id": 12,
+            "name": "Базы данных"
+        }
+    ],
+    "marks": [
+        {
+            "id": 2,
+            "name": "неуд",
+            "controltypeId": 1
+        },
+        {
+            "id": 3,
+            "name": "удов",
+            "controltypeId": 1
+        },
+        {
+            "id": 4,
+            "name": "хорошо",
+            "controltypeId": 1
+        },
+        {
+            "id": 5,
+            "name": "отлично",
+            "controltypeId": 1
+        },
+        {
+            "id": 6,
+            "name": "зачтено",
+            "controltypeId": 2
+        },
+        {
+            "id": 7,
+            "name": "незачет",
+            "controltypeId": 2
+        }
+    ],
+    "statements": [
+        {
+            "id": 1,
+            "subjectId": 1,
+            "groupId": 1,
+            "controlTypeId": 2,
+            "date": "Dec 23 2023"
+        }
+    ],
+    "controltypes": [
+        {
+            "id": 1,
+            "name": "Экзамен"
+        },
+        {
+            "id": 2,
+            "name": "Зачет"
+        }
+    ],
+    "usermarks": [
+        {
+            "id": 1,
+            "userId": 1,
+            "markId": 1,
+            "statementId": 1
+        }
+    ]
+}
diff --git a/src/hooks/GroupHook.js b/src/hooks/GroupHook.js
new file mode 100644
index 0000000..5aa35a2
--- /dev/null
+++ b/src/hooks/GroupHook.js
@@ -0,0 +1,22 @@
+import { useEffect, useState } from "react";
+import GroupsApiService from "../services/GroupsApiService";
+
+export const useGroups = () => {
+    const [groupsRefresh, setGroupsRefresh] = useState(false);
+    const [groups, setGroups] = useState([]);
+    const handleGroupsRefresh = () => setGroupsRefresh(!groupsRefresh);
+
+    const getGroups = async () => {
+        const data = await GroupsApiService.getAll();
+        setGroups(data ?? []);
+    };
+
+    useEffect(() => {
+        getGroups();
+    }, [groupsRefresh]);
+
+    return {
+        groups,
+        handleGroupsRefresh,
+    };
+};
diff --git a/src/pages/RegisterPage/RegisterPage.jsx b/src/pages/RegisterPage/RegisterPage.jsx
index b1a0cea..ad77d03 100644
--- a/src/pages/RegisterPage/RegisterPage.jsx
+++ b/src/pages/RegisterPage/RegisterPage.jsx
@@ -5,25 +5,29 @@ import { CurrentUserContext } from "../../contexts/CurrentUserContext";
 import { getUserByUsername } from "../../utils/UserUtils";
 import UsersApiService from "../../services/UsersApiService";
 import toast from "react-hot-toast";
+import { useGroups } from "../../hooks/GroupHook";
 
 const RegisterPage = () => {
-    const { currentUser, setCurrentUser } = useContext(
+    const { currentUser } = useContext(
         CurrentUserContext
     );
 
     const navigate = useNavigate();
 
+    const { groups } = useGroups();
+
     if (currentUser) {
         navigate('/');
     }
 
-    const [inputFields, setInputFields] = useState({
+    let [inputFields, setInputFields] = useState({
         username: "",
         password: "",
         name: "",
         surname: "",
         confirmPassword: "",
-        isTeacher: false
+        isTeacher: false,
+        groupId: null
     });
 
     const [errors, setErrors] = useState({});
@@ -46,11 +50,18 @@ const RegisterPage = () => {
         if (inputValues.password != inputValues.confirmPassword) {
             errors.confirmPassword = "Пароли не совпадают";
         }
+
+        if (!inputValues.isTeacher && inputValues.groupId == null) {
+            errors.groupId = "Выберите группу";
+        }
         return errors;
     };
 
     const handleChange = (e) => {
         setInputFields({ ...inputFields, [e.target.name]: e.target.value });
+        if (e.target.type == 'checkbox') {
+            setInputFields({ ...inputFields, [e.target.name]: e.target.checked });
+        }
     };
 
     const handleSubmit = async (event) => {
@@ -71,7 +82,7 @@ const RegisterPage = () => {
                     username: inputFields.username,
                     password: inputFields.password,
                     isTeacher: inputFields.isTeacher,
-                    groupId: 1
+                    groupId: parseInt(inputFields.groupId)
                 });
                 toast.success('Пользователь зарегистрирован!');
             }
@@ -157,6 +168,17 @@ const RegisterPage = () => {
                         </input>
                         <label htmlFor="isTeacher">Я преподаватель</label>
                     </div>
+                    {
+                        inputFields.isTeacher != true ? <div className="mb-3 d-flex">
+                            <select name="groupId" id="groupId" className="me-3" onChange={handleChange}>
+                                <option value={null}>Выберите группу</option>
+                                {
+                                    groups.map((group, index) => <option value={group.id} key={index}>{group.name}</option>)
+                                }
+                            </select>
+                            {errors.groupId}
+                        </div> : ''
+                    }
                     <button id="btn-register-submit" type="submit" className="btn btn-primary" >Зарегистрироваться</button>
                 </ form>
             </div>
diff --git a/src/services/GroupsApiService.js b/src/services/GroupsApiService.js
new file mode 100644
index 0000000..259b2e3
--- /dev/null
+++ b/src/services/GroupsApiService.js
@@ -0,0 +1,5 @@
+import ApiService from "../api/ApiService.js";
+
+const GroupsApiService = new ApiService("groups");
+
+export default GroupsApiService;