diff --git a/pyproject.toml b/pyproject.toml
index 6763702..8d3cfad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ dependencies = [
     'PyQt6==6.7.1',
     'dishka==1.4.0',
     'tomli-w==1.1.0',
+    'faker==33.1.0',
 ]
 
 [project.optional-dependencies]
diff --git a/resources/forms/register.ui b/resources/forms/register.ui
index 2083dce..af0dd27 100644
--- a/resources/forms/register.ui
+++ b/resources/forms/register.ui
@@ -92,6 +92,13 @@
          </property>
         </widget>
        </item>
+       <item row="7" column="1">
+        <widget class="QPushButton" name="insert_test_data">
+         <property name="text">
+          <string>Заполнить тестовыми данными</string>
+         </property>
+        </widget>
+       </item>
       </layout>
      </item>
      <item row="1" column="0">
diff --git a/src/student_journal/adapters/load_test_data.py b/src/student_journal/adapters/load_test_data.py
new file mode 100644
index 0000000..d8cb924
--- /dev/null
+++ b/src/student_journal/adapters/load_test_data.py
@@ -0,0 +1,117 @@
+import datetime
+import random
+from dataclasses import dataclass
+from datetime import date, timedelta
+
+from faker import Faker
+
+from student_journal.application.hometask.create_home_task import (
+    CreateHomeTask,
+    NewHomeTask,
+)
+from student_journal.application.lesson.create_lesson import CreateLesson, NewLesson
+from student_journal.application.student.create_student import CreateStudent, NewStudent
+from student_journal.application.student.read_student import ReadStudent
+from student_journal.application.subject.create_subject import CreateSubject, NewSubject
+from student_journal.application.teacher import CreateTeacher, NewTeacher
+from student_journal.domain.value_object.student_id import StudentId
+
+fake = Faker(locale="ru_RU")
+
+SUBJECTS = [
+    "Математика",
+    "Физика",
+    "Информатика",
+    "Химия",
+    "Физкультура",
+    "История",
+    "Обществознание",
+    "Биология",
+    "Английский язык",
+    "Русский язык",
+]
+
+
+@dataclass(slots=True, frozen=True)
+class TestDataLoader:
+    create_student: CreateStudent
+    create_teacher: CreateTeacher
+    create_subject: CreateSubject
+    read_student: ReadStudent
+    create_lesson: CreateLesson
+    create_home_task: CreateHomeTask
+
+    def insert_student(self) -> StudentId:
+        student_name = fake.name()
+        student_address = fake.address()
+        student_age = fake.random_int(min=14, max=18)
+        student_id = self.create_student.execute(
+            NewStudent(
+                age=student_age,
+                name=student_name,
+                home_address=student_address,
+                avatar=None,
+            ),
+        )
+        student = self.read_student.execute(student_id)
+        return student.student_id
+
+    def insert_data(self, student_id: StudentId) -> None:
+        teacher_names = [fake.name() for _ in range(10)]
+        teachers = []
+        student = self.read_student.execute(student_id)
+
+        for name in teacher_names:
+            teacher = self.create_teacher.execute(
+                NewTeacher(
+                    full_name=name,
+                    avatar=None,
+                ),
+            )
+            teachers.append(teacher)
+
+        subjects = []
+        for teacher_id, subject in zip(teachers, SUBJECTS, strict=True):
+            new_subject = self.create_subject.execute(
+                NewSubject(
+                    teacher_id=teacher_id,
+                    title=subject,
+                ),
+            )
+            subjects.append(new_subject)
+
+        da_te = date.today()  # noqa: DTZ011
+        week_start = da_te - timedelta(days=da_te.weekday())
+        week_end = week_start + timedelta(days=6)
+        week = [
+            week_start + datetime.timedelta(days=x)
+            for x in range((week_end - week_start).days)
+        ]
+
+        for da_te in week:
+            for hour in range(8, 14):
+                time = datetime.time(hour=hour)
+                lesson_subject = random.choice(subjects)  # noqa: S311
+                at = datetime.datetime.combine(
+                    da_te,
+                    time,
+                    tzinfo=student.time_zone,
+                )
+                lesson_id = self.create_lesson.execute(
+                    NewLesson(
+                        subject_id=lesson_subject,
+                        at=at,
+                        mark=random.randint(2, 5),  # noqa: S311
+                        note=fake.text(),
+                        room=random.randint(1000, 4000),  # noqa: S311
+                    ),
+                )
+
+                if random.random() > 0.5:  # noqa: PLR2004, S311
+                    self.create_home_task.execute(
+                        NewHomeTask(
+                            lesson_id=lesson_id,
+                            description="Домашнее задание!",
+                            is_done=random.choice([True, False]),  # noqa: S311
+                        ),
+                    )
diff --git a/src/student_journal/application/student/read_current_student.py b/src/student_journal/application/student/read_current_student.py
new file mode 100644
index 0000000..c8ba6c0
--- /dev/null
+++ b/src/student_journal/application/student/read_current_student.py
@@ -0,0 +1,21 @@
+from dataclasses import dataclass
+
+from student_journal.application.common.id_provider import IdProvider
+from student_journal.application.common.student_gateway import StudentGateway
+from student_journal.application.converters.student import convert_student_to_read_model
+from student_journal.application.models.student import StudentReadModel
+
+
+@dataclass(slots=True)
+class ReadCurrentStudent:
+    gateway: StudentGateway
+    idp: IdProvider
+
+    def execute(self) -> StudentReadModel:
+        current_student_id = self.idp.get_id()
+        student = self.gateway.read_student(
+            current_student_id,
+        )
+
+        avg = self.gateway.get_overall_avg_mark()
+        return convert_student_to_read_model(student, avg, student.get_timezone())
diff --git a/src/student_journal/application/student/read_student.py b/src/student_journal/application/student/read_student.py
index 25109df..2a381a2 100644
--- a/src/student_journal/application/student/read_student.py
+++ b/src/student_journal/application/student/read_student.py
@@ -1,21 +1,18 @@
 from dataclasses import dataclass
 
-from student_journal.application.common.id_provider import IdProvider
 from student_journal.application.common.student_gateway import StudentGateway
 from student_journal.application.converters.student import convert_student_to_read_model
 from student_journal.application.models.student import StudentReadModel
+from student_journal.domain.value_object.student_id import StudentId
 
 
 @dataclass(slots=True)
 class ReadStudent:
     gateway: StudentGateway
-    idp: IdProvider
 
-    def execute(self) -> StudentReadModel:
-        current_student_id = self.idp.get_id()
+    def execute(self, student_id: StudentId) -> StudentReadModel:
         student = self.gateway.read_student(
-            current_student_id,
+            student_id,
         )
-
         avg = self.gateway.get_overall_avg_mark()
         return convert_student_to_read_model(student, avg, student.get_timezone())
diff --git a/src/student_journal/bootstrap/di/adapter_provider.py b/src/student_journal/bootstrap/di/adapter_provider.py
index 33a6c34..965242f 100644
--- a/src/student_journal/bootstrap/di/adapter_provider.py
+++ b/src/student_journal/bootstrap/di/adapter_provider.py
@@ -2,6 +2,7 @@
 
 from student_journal.adapters.error_locator import ErrorLocator, SimpleErrorLocator
 from student_journal.adapters.id_provider import FileIdProvider
+from student_journal.adapters.load_test_data import TestDataLoader
 from student_journal.application.common.id_provider import IdProvider
 
 
@@ -15,3 +16,4 @@ class AdapterProvider(Provider):
         provides=ErrorLocator,
         scope=Scope.APP,
     )
+    data_loader = provide(TestDataLoader)
diff --git a/src/student_journal/bootstrap/di/command_provider.py b/src/student_journal/bootstrap/di/command_provider.py
index cde09f6..bf6b69a 100644
--- a/src/student_journal/bootstrap/di/command_provider.py
+++ b/src/student_journal/bootstrap/di/command_provider.py
@@ -18,6 +18,7 @@
 from student_journal.application.lesson.read_lessons_for_week import ReadLessonsForWeek
 from student_journal.application.lesson.update_lesson import UpdateLesson
 from student_journal.application.student.create_student import CreateStudent
+from student_journal.application.student.read_current_student import ReadCurrentStudent
 from student_journal.application.student.read_student import ReadStudent
 from student_journal.application.student.update_student import UpdateStudent
 from student_journal.application.subject.create_subject import CreateSubject
@@ -39,6 +40,7 @@ class CommandProvider(Provider):
 
     commands = provide_all(
         CreateStudent,
+        ReadCurrentStudent,
         ReadStudent,
         UpdateStudent,
         CreateTeacher,
diff --git a/src/student_journal/presentation/ui/edit_lesson.py b/src/student_journal/presentation/ui/edit_lesson.py
index e9fcac4..3f08a5d 100644
--- a/src/student_journal/presentation/ui/edit_lesson.py
+++ b/src/student_journal/presentation/ui/edit_lesson.py
@@ -14,6 +14,7 @@ def setupUi(self, *args, **kwargs):
 
     def set_invariants(self):
         self.room_spinbox.setMinimum(MIN_ROOM)
+        self.room_spinbox.setMaximum(1_000_000)
         self.mark_spinbox.setMinimum(0)
 
         self.mark_spinbox.setValue(0)
diff --git a/src/student_journal/presentation/ui/raw/register_ui.py b/src/student_journal/presentation/ui/raw/register_ui.py
index 2982353..aad16f0 100644
--- a/src/student_journal/presentation/ui/raw/register_ui.py
+++ b/src/student_journal/presentation/ui/raw/register_ui.py
@@ -1,6 +1,6 @@
 # Form implementation generated from reading ui file 'register.ui'
 #
-# Created by: PyQt6 UI code generator 6.4.2
+# Created by: PyQt6 UI code generator 6.7.1
 #
 # WARNING: Any manual changes made to this file will be lost when pyuic6 is
 # run again.  Do not edit this file unless you know what you are doing.
@@ -58,6 +58,9 @@ def setupUi(self, Register):
         self.submit_btn.setSizePolicy(sizePolicy)
         self.submit_btn.setObjectName("submit_btn")
         self.formLayout.setWidget(6, QtWidgets.QFormLayout.ItemRole.FieldRole, self.submit_btn)
+        self.insert_test_data = QtWidgets.QPushButton(parent=Register)
+        self.insert_test_data.setObjectName("insert_test_data")
+        self.formLayout.setWidget(7, QtWidgets.QFormLayout.ItemRole.FieldRole, self.insert_test_data)
         self.gridLayout.addLayout(self.formLayout, 5, 0, 1, 1)
         self.horizontalLayout_2 = QtWidgets.QHBoxLayout()
         self.horizontalLayout_2.setContentsMargins(-1, -1, -1, 15)
@@ -112,5 +115,6 @@ def retranslateUi(self, Register):
         self.label_5.setText(_translate("Register", "Предпросмотр"))
         self.avatar_preview.setText(_translate("Register", "TextLabel"))
         self.submit_btn.setText(_translate("Register", "Создать аккаунт"))
+        self.insert_test_data.setText(_translate("Register", "Заполнить тестовыми данными"))
         self.label_7.setText(_translate("Register", "Добро пожаловать"))
         self.label_8.setText(_translate("Register", "Расскажите нам о себе"))
diff --git a/src/student_journal/presentation/widget/lesson/edit_lesson.py b/src/student_journal/presentation/widget/lesson/edit_lesson.py
index 8752362..8c79a01 100644
--- a/src/student_journal/presentation/widget/lesson/edit_lesson.py
+++ b/src/student_journal/presentation/widget/lesson/edit_lesson.py
@@ -16,7 +16,7 @@
     UpdatedLesson,
     UpdateLesson,
 )
-from student_journal.application.student.read_student import ReadStudent
+from student_journal.application.student.read_current_student import ReadCurrentStudent
 from student_journal.application.subject.read_subject import ReadSubject
 from student_journal.application.subject.read_subjects import ReadSubjects
 from student_journal.domain.value_object.lesson_id import LessonId
@@ -39,7 +39,7 @@ def __init__(
         self.setup_ui()
 
         with self.container() as r_container:
-            command = r_container.get(ReadStudent)
+            command = r_container.get(ReadCurrentStudent)
             student = command.execute()
             self.tzinfo = student.time_zone
 
diff --git a/src/student_journal/presentation/widget/lesson/schedule.py b/src/student_journal/presentation/widget/lesson/schedule.py
index ad94363..4b23a18 100644
--- a/src/student_journal/presentation/widget/lesson/schedule.py
+++ b/src/student_journal/presentation/widget/lesson/schedule.py
@@ -195,6 +195,7 @@ def copy_lesson_to_new_date(self, lesson_id: LessonId, column: int) -> None:
                 ),
                 mark=None,
                 note=None,
+                room=lesson.room,
             )
 
             create_command = r_container.get(CreateLesson)
@@ -334,8 +335,8 @@ def copy_to_next_week(self) -> None:
                     new_lesson = NewLesson(
                         subject_id=lesson.subject_id,
                         at=lesson.at + timedelta(weeks=1),
-                        mark=lesson.mark,
-                        note=lesson.note,
+                        mark=None,
+                        note=None,
                         room=lesson.room,
                     )
                     command.execute(new_lesson)
diff --git a/src/student_journal/presentation/widget/main_window.py b/src/student_journal/presentation/widget/main_window.py
index 15fd93b..d5fdbb5 100644
--- a/src/student_journal/presentation/widget/main_window.py
+++ b/src/student_journal/presentation/widget/main_window.py
@@ -1,13 +1,10 @@
-from uuid import UUID
-
 from dishka import Container
 from PyQt6.QtWidgets import QMainWindow, QStackedWidget
 
-from student_journal.adapters.id_provider import FileIdProvider
+from student_journal.application.common.id_provider import IdProvider
 from student_journal.application.exceptions.student import (
     StudentIsNotAuthenticatedError,
 )
-from student_journal.domain.value_object.student_id import StudentId
 from student_journal.presentation.widget.dashboard import Dashboard
 from student_journal.presentation.widget.student.register import Register
 
@@ -19,7 +16,7 @@ def __init__(self, container: Container) -> None:
         self.container = container
 
         with self.container() as r_container:
-            self.idp = r_container.get(FileIdProvider)
+            self.idp: IdProvider = r_container.get(IdProvider)
             self.dashboard: None | Dashboard = None
 
             self.register_form = Register(container)
@@ -46,7 +43,5 @@ def display_dashboard(self) -> None:
         self.stacked_widget.addWidget(self.dashboard)
         self.stacked_widget.setCurrentWidget(self.dashboard)
 
-    def finish_register(self, student_id: str) -> None:
-        student_id_uuid = StudentId(UUID(student_id))
-        self.idp.save(student_id_uuid)
+    def finish_register(self) -> None:
         self.display_dashboard()
diff --git a/src/student_journal/presentation/widget/student/edit_student.py b/src/student_journal/presentation/widget/student/edit_student.py
index 1151a7c..aa1298d 100644
--- a/src/student_journal/presentation/widget/student/edit_student.py
+++ b/src/student_journal/presentation/widget/student/edit_student.py
@@ -3,7 +3,7 @@
 from PyQt6.QtWidgets import QFileDialog, QWidget
 
 from student_journal.adapters.error_locator import ErrorLocator
-from student_journal.application.student.read_student import ReadStudent
+from student_journal.application.student.read_current_student import ReadCurrentStudent
 from student_journal.application.student.update_student import (
     UpdatedStudent,
     UpdateStudent,
@@ -38,7 +38,7 @@ def __init__(self, container: Container) -> None:
 
     def load_student(self) -> None:
         with self.container() as r_container:
-            command = r_container.get(ReadStudent)
+            command = r_container.get(ReadCurrentStudent)
             student = command.execute()
 
             self.ui.name_input.setText(student.name)
@@ -58,7 +58,7 @@ def load_student(self) -> None:
 
     def refresh_avg_mark(self) -> None:
         with self.container() as r_container:
-            command = r_container.get(ReadStudent)
+            command = r_container.get(ReadCurrentStudent)
             student = command.execute()
             self.ui.avg_mark.setValue(student.student_overall_avg_mark)
 
diff --git a/src/student_journal/presentation/widget/student/register.py b/src/student_journal/presentation/widget/student/register.py
index cab7941..dbb834c 100644
--- a/src/student_journal/presentation/widget/student/register.py
+++ b/src/student_journal/presentation/widget/student/register.py
@@ -1,9 +1,12 @@
 from dishka import Container
 from PyQt6.QtCore import pyqtSignal
 from PyQt6.QtGui import QPixmap
-from PyQt6.QtWidgets import QFileDialog, QWidget
+from PyQt6.QtWidgets import QFileDialog, QMessageBox, QWidget
 
 from student_journal.adapters.exceptions.ui.student import NameNotSpecifiedError
+from student_journal.adapters.id_provider import FileIdProvider
+from student_journal.adapters.load_test_data import TestDataLoader
+from student_journal.application.common.id_provider import IdProvider
 from student_journal.application.student.create_student import CreateStudent, NewStudent
 from student_journal.presentation.ui.register import RegisterUI
 
@@ -31,6 +34,7 @@ def __init__(
         self.ui.age_input.valueChanged.connect(self.on_age_input)
         self.ui.address_input.textChanged.connect(self.on_address_input)
         self.ui.avatar_upload_btn.clicked.connect(self.on_avatar_upload_btn)
+        self.ui.insert_test_data.clicked.connect(self.on_insert_test_data)
 
         self.update_avatar_preview()
 
@@ -46,6 +50,7 @@ def on_submit_btn(self) -> None:
             raise NameNotSpecifiedError
 
         with self.container() as r_container:
+            idp = r_container.get(FileIdProvider)
             data = NewStudent(
                 age=self.age,
                 name=self.name,
@@ -54,6 +59,41 @@ def on_submit_btn(self) -> None:
             )
             command = r_container.get(CreateStudent)
             student_id = command.execute(data)
+            idp.save(student_id)
+        self.finish.emit(student_id.hex)
+
+    def on_insert_test_data(self) -> None:
+        reply = QMessageBox.question(
+            self,
+            "Вы уверены?",
+            "Эта операция заполнит приложение тестовыми данными "
+            "(операция может занять какое-то время). "
+            "Атомарность операции не гарантируется",
+            QMessageBox.StandardButton.Yes | QMessageBox.StandardButton.No,
+            QMessageBox.StandardButton.No,
+        )
+
+        if reply == QMessageBox.StandardButton.No:
+            return
+
+        with self.container() as r_container:
+            loader = r_container.get(TestDataLoader)
+            idp = r_container.get(FileIdProvider)
+            student_id = loader.insert_student()
+            idp.save(student_id)
+
+        with self.container() as r_container:
+            loader = r_container.get(TestDataLoader)
+            idp = r_container.get(IdProvider)
+            loader.insert_data(idp.get_id())
+
+        QMessageBox.information(
+            self,
+            "Операция завершена",
+            "Данные загружены",
+            QMessageBox.StandardButton.Ok,
+        )
+
         self.finish.emit(student_id.hex)
 
     def on_name_input(self) -> None:
diff --git a/tests/unit/student/conftest.py b/tests/unit/student/conftest.py
index 1d21a0c..e70961a 100644
--- a/tests/unit/student/conftest.py
+++ b/tests/unit/student/conftest.py
@@ -4,7 +4,7 @@
 from student_journal.application.common.student_gateway import StudentGateway
 from student_journal.application.common.transaction_manager import TransactionManager
 from student_journal.application.student.create_student import CreateStudent
-from student_journal.application.student.read_student import ReadStudent
+from student_journal.application.student.read_current_student import ReadCurrentStudent
 from student_journal.application.student.update_student import UpdateStudent
 from unit.student.mock.student_gateway import MockedStudentGateway
 
@@ -29,8 +29,8 @@ def create_student(
 def read_student(
     student_gateway: StudentGateway,
     idp: IdProvider,
-) -> ReadStudent:
-    return ReadStudent(
+) -> ReadCurrentStudent:
+    return ReadCurrentStudent(
         gateway=student_gateway,
         idp=idp,
     )
diff --git a/tests/unit/student/test_student.py b/tests/unit/student/test_student.py
index f6dbbd5..96a5614 100644
--- a/tests/unit/student/test_student.py
+++ b/tests/unit/student/test_student.py
@@ -18,7 +18,7 @@
     NAME_MIN_LENGTH,
 )
 from student_journal.application.student.create_student import CreateStudent, NewStudent
-from student_journal.application.student.read_student import ReadStudent
+from student_journal.application.student.read_current_student import ReadCurrentStudent
 from student_journal.application.student.update_student import (
     UpdatedStudent,
     UpdateStudent,
@@ -87,7 +87,7 @@ def test_create_student_bad_invariants(
 
 
 def test_read_student(
-    read_student: ReadStudent,
+    read_student: ReadCurrentStudent,
     student_gateway: MockedStudentGateway,
 ) -> None:
     student_gateway.write_student(STUDENT)