diff --git a/app.py b/app.py
index 82ca45a..2a6c05b 100644
--- a/app.py
+++ b/app.py
@@ -1,9 +1,7 @@
 import sqlite3
-import csv
-import io
 import re
 import os
-from flask import Flask, render_template, request, redirect, url_for, flash, send_from_directory
+from flask import Flask, render_template
 import datetime
 
 # --- App Setup ---
@@ -57,7 +55,7 @@ def init_db_command():
 def validate_phone(phone):
     return bool(app.config['PHONE_REGEX'].match(phone)) if phone else True
 
-def validate_student_data(form_data, is_csv=False):
+def validate_student_data(form_data):
     errors = []
     required_fields = ['student_name', 'age', 'parent_name',
                        'parent_phone_1', 'grade', 'school_name',
@@ -94,376 +92,9 @@ def validate_student_data(form_data, is_csv=False):
     return errors
 
 # --- App Routes ---
-@app.route('/')
-def index():
-    try:
-        with get_db_connection() as conn:
-            students = conn.execute('''
-                SELECT id, student_name, age, parent_name, parent_phone_1, parent_phone_2,
-                       student_phone, grade, school_name, address, memorizing, notes,
-                       registration_date, points
-                FROM students
-                ORDER BY student_name ASC
-            ''').fetchall()
-        return render_template('index.html', students=students)
-    except sqlite3.Error as e:
-        flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
-        return render_template('index.html', students=[])
-
-@app.route('/add_student', methods=['POST'])
-def add_student():
-    form_data = request.form
-    validation_errors = validate_student_data(form_data)
-
-    if validation_errors:
-        for error in validation_errors:
-            flash(error, 'danger')
-        return redirect(url_for('index'))
-
-    registration_date = form_data.get('registration_date')
-    if not registration_date:
-        registration_date = datetime.date.today().isoformat()
-
-    try:
-        student_data = (
-            form_data['student_name'],
-            int(form_data['age']),
-            form_data['parent_name'],
-            form_data['parent_phone_1'],
-            form_data.get('parent_phone_2') or None,
-            form_data.get('student_phone') or None,
-            form_data['grade'],
-            form_data['school_name'],
-            form_data['address'],
-            form_data['memorizing'],
-            form_data.get('notes') or None,
-            registration_date,
-        )
-
-        with get_db_connection() as conn:
-            conn.execute('''
-                INSERT INTO students (
-                    student_name, age, parent_name,
-                    parent_phone_1, parent_phone_2,
-                    student_phone, grade, school_name,
-                    address, memorizing, notes, registration_date
-                ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-            ''', student_data)
-            conn.commit()
-
-        flash('تمت إضافة الطالب بنجاح!', 'success')
-        return redirect(url_for('index'))
-
-    except sqlite3.IntegrityError as e:
-        flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
-    except Exception as e:
-        flash(f'خطأ غير متوقع: {str(e)}', 'danger')
-
-    return redirect(url_for('index'))
-
-@app.route('/modify_student/<int:student_id>', methods=['GET', 'POST'])
-def modify_student(student_id):
-    if request.method == 'GET':
-        try:
-            with get_db_connection() as conn:
-                student = conn.execute('''
-                    SELECT id, student_name, age, parent_name, parent_phone_1, parent_phone_2,
-                           student_phone, grade, school_name, address, memorizing, notes,
-                           registration_date, points
-                    FROM students WHERE id = ?''', (student_id,)).fetchone()
-
-            if student is None:
-                flash('الطالب غير موجود.', 'danger')
-                return redirect(url_for('index'))
-
-            return render_template('modify_info.html', student=student)
-        except sqlite3.Error as e:
-            flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
-            return redirect(url_for('index'))
-
-    elif request.method == 'POST':
-        form_data = request.form
-        validation_errors = validate_student_data(form_data)
-
-        if validation_errors:
-            for error in validation_errors:
-                flash(error, 'danger')
-            try:
-                with get_db_connection() as conn:
-                    student = conn.execute('''
-                        SELECT id, student_name, age, parent_name, parent_phone_1, parent_phone_2,
-                               student_phone, grade, school_name, address, memorizing, notes,
-                               registration_date, points
-                        FROM students WHERE id = ?''', (student_id,)).fetchone()
-                return render_template('modify_info.html', student=student)
-            except sqlite3.Error as e:
-                flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
-                return redirect(url_for('index'))
-
-        registration_date = form_data.get('registration_date')
-        if not registration_date:
-            try:
-                with get_db_connection() as conn:
-                    original_student = conn.execute('SELECT registration_date FROM students WHERE id = ?', (student_id,)).fetchone()
-                    if original_student:
-                        registration_date = original_student['registration_date']
-                    else:
-                        registration_date = datetime.date.today().isoformat()
-            except sqlite3.Error:
-                registration_date = datetime.date.today().isoformat()
-
-        try:
-            student_data = (
-                form_data['student_name'],
-                int(form_data['age']),
-                form_data['parent_name'],
-                form_data['parent_phone_1'],
-                form_data.get('parent_phone_2') or None,
-                form_data.get('student_phone') or None,
-                form_data['grade'],
-                form_data['school_name'],
-                form_data['address'],
-                form_data['memorizing'],
-                form_data.get('notes') or None,
-                registration_date,
-                student_id
-            )
-
-            with get_db_connection() as conn:
-                conn.execute('''
-                    UPDATE students SET
-                        student_name = ?,
-                        age = ?,
-                        parent_name = ?,
-                        parent_phone_1 = ?,
-                        parent_phone_2 = ?,
-                        student_phone = ?,
-                        grade = ?,
-                        school_name = ?,
-                        address = ?,
-                        memorizing = ?,
-                        notes = ?,
-                        registration_date = ?
-                    WHERE id = ?
-                ''', student_data)
-                conn.commit()
-
-            flash('تم تحديث بيانات الطالب بنجاح!', 'success')
-            return redirect(url_for('index'))
-
-        except sqlite3.IntegrityError as e:
-            flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
-        except Exception as e:
-            flash(f'خطأ غير متوقع: {str(e)}', 'danger')
-
-        return redirect(url_for('index'))
-
-
-@app.route('/import_csv', methods=['POST'])
-def import_csv():
-    if 'file' not in request.files:
-        flash('لم يتم تقديم ملف', 'danger')
-        return redirect(url_for('index'))
-
-    file = request.files['file']
-    if file.filename == '':
-        flash('لم يتم اختيار ملف', 'warning')
-        return redirect(url_for('index'))
-
-    if not file.filename.lower().endswith('.csv'):
-        flash('صيغة الملف غير مدعومة. يجب أن يكون CSV', 'danger')
-        return redirect(url_for('index'))
-
-    try:
-        stream = io.TextIOWrapper(file.stream, encoding='utf-8-sig')
-        csv_reader = csv.reader(stream)
-        valid_rows = []
-        row_errors = []
-
-        expected_columns = 12
-
-        for i, row in enumerate(csv_reader, 1):
-            if len(row) != expected_columns:
-                row_errors.append(f'السطر {i}: عدد الأعمدة غير صحيح ({expected_columns} مطلوبة)')
-                continue
-
-            student_data = {
-                'student_name': row[0].strip(),
-                'age': row[1].strip(),
-                'parent_name': row[2].strip(),
-                'parent_phone_1': row[3].strip(),
-                'parent_phone_2': row[4].strip(),
-                'student_phone': row[5].strip(),
-                'grade': row[6].strip(),
-                'school_name': row[7].strip(),
-                'address': row[8].strip(),
-                'memorizing': row[9].strip(),
-                'notes': row[10].strip(),
-                'registration_date': row[11].strip()
-            }
-
-            if not student_data['registration_date']:
-                student_data['registration_date'] = datetime.date.today().isoformat()
-
-            errors = validate_student_data(student_data, is_csv=True)
-            if errors:
-                row_errors.append(f'السطر {i}: {"; ".join(errors)}')
-                continue
-
-            valid_rows.append((
-                student_data['student_name'],
-                int(student_data['age']),
-                student_data['parent_name'],
-                student_data['parent_phone_1'],
-                student_data['parent_phone_2'] or None,
-                student_data['student_phone'] or None,
-                student_data['grade'],
-                student_data['school_name'],
-                student_data['address'],
-                student_data['memorizing'],
-                student_data['notes'] or None,
-                student_data['registration_date']
-            ))
-
-        if row_errors:
-            flash(f'تم العثور على أخطاء في {len(row_errors)} سطراً', 'warning')
-            for error in row_errors[:5]:
-                flash(error, 'danger')
-            if len(row_errors) > 5:
-                flash(f'...و {len(row_errors)-5} أخطاء إضافية', 'danger')
-
-        if valid_rows:
-            with get_db_connection() as conn:
-                conn.executemany('''
-                    INSERT INTO students (
-                        student_name, age, parent_name,
-                        parent_phone_1, parent_phone_2,
-                        student_phone, grade, school_name,
-                        address, memorizing, notes, registration_date
-                    ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-                ''', valid_rows)
-                conn.commit()
-            flash(f'تم استيراد {len(valid_rows)} طالب بنجاح', 'success')
-        else:
-            flash('لم يتم استيراد أي سجلات', 'warning')
-
-    except csv.Error as e:
-        flash(f'خطأ في معالشة CSV: {str(e)}', 'danger')
-    except Exception as e:
-        flash(f'خطأ غير متوقع: {str(e)}', 'danger')
-
-    return redirect(url_for('index'))
-
-@app.route('/download_csv_template')
-def download_csv_template():
-    return send_from_directory(app.template_folder, 'template.csv', as_attachment=True)
-
 @app.route('/record')
 def record():
     return render_template('record.html')
 
-@app.route('/points', methods=['GET', 'POST'])
-def points():
-    if request.method == 'POST':
-        # Now student_id will be a list of selected IDs from the checkboxes
-        selected_student_ids = request.form.getlist('student_id')
-        point_amount_str = request.form.get('point_amount')
-        operation = request.form.get('operation')
-
-        if not selected_student_ids or not point_amount_str or not operation:
-            flash('الرجاء اختيار طالب واحد على الأقل وتعبئة جميع الحقول المطلوبة.', 'danger')
-            return redirect(url_for('points'))
-
-        try:
-            point_amount = int(point_amount_str)
-
-            if point_amount <= 0:
-                flash('الرجاء إدخال قيمة نقاط أكبر من صفر.', 'danger')
-                return redirect(url_for('points'))
-
-            with get_db_connection() as conn:
-                # Ensure IDs are integers and unique
-                int_selected_ids = sorted(list(set([int(sid) for sid in selected_student_ids if sid.isdigit()])))
-                if not int_selected_ids:
-                    flash('لم يتم تحديد أي طالب صالح.', 'danger')
-                    return redirect(url_for('points'))
-
-                placeholders = ','.join(['?'] * len(int_selected_ids))
-                query = f"SELECT id, student_name, points FROM students WHERE id IN ({placeholders})"
-                students_to_update = conn.execute(query, int_selected_ids).fetchall()
-
-                if not students_to_update:
-                    flash('لم يتم العثور على أي طلاب مطابقين للاختيار.', 'danger')
-                    return redirect(url_for('points'))
-
-                updated_details = []
-                for student in students_to_update:
-                    current_points = student['points']
-                    student_name = student['student_name']
-                    new_points = current_points
-
-                    if operation == 'add':
-                        new_points += point_amount
-                    elif operation == 'remove':
-                        if current_points < point_amount:
-                            new_points = 0 # Cap at zero
-                        else:
-                            new_points -= point_amount
-                    else:
-                        flash('عملية غير صالحة.', 'danger')
-                        return redirect(url_for('points'))
-
-                    conn.execute('UPDATE students SET points = ? WHERE id = ?', (new_points, student['id']))
-                    updated_details.append(f"{student_name} (أصبح {new_points})")
-
-                conn.commit()
-
-                flash_op_text = "إضافة" if operation == "add" else "خصم"
-                if len(updated_details) == 1:
-                    flash(f'تمت عملية {flash_op_text} النقاط للطالب {updated_details[0].replace(" (أصبح", " والنقاط الجديدة")}.', 'success')
-                else:
-                    flash_message_head = f'تمت عملية {flash_op_text} النقاط لـ {len(updated_details)} طلاب.'
-                    flash_message_body = 'التفاصيل: ' + ', '.join(updated_details[:5])
-                    if len(updated_details) > 5:
-                        flash_message_body += f'... والمزيد.'
-                    flash(f'{flash_message_head} {flash_message_body}', 'success')
-
-        except ValueError:
-            flash('النقاط يجب أن تكون أرقاماً صحيحة.', 'danger')
-        except sqlite3.Error as e:
-            flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
-        except Exception as e:
-            flash(f'خطأ غير متوقع: {str(e)}', 'danger')
-
-        return redirect(url_for('points'))
-
-    else: # GET request
-        try:
-            with get_db_connection() as conn:
-                students = conn.execute('SELECT id, student_name, points FROM students ORDER BY student_name ASC').fetchall()
-            return render_template('points.html', students=students)
-        except sqlite3.Error as e:
-            flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
-            return render_template('points.html', students=[])
-
-@app.route('/delete_student/<int:student_id>', methods=['POST'])
-def delete_student(student_id):
-    try:
-        with get_db_connection() as conn:
-            student = conn.execute('SELECT id FROM students WHERE id = ?', (student_id,)).fetchone()
-            if student is None:
-                flash('الطالب غير موجود.', 'danger')
-                return redirect(url_for('index'))
-
-            conn.execute('DELETE FROM students WHERE id = ?', (student_id,))
-            conn.commit()
-            flash('تم حذف الطالب بنجاح!', 'success')
-    except sqlite3.Error as e:
-        flash(f'خطأ في قاعدة البيانات أثناء الحذف: {str(e)}', 'danger')
-    except Exception as e:
-        flash(f'خطأ غير متوقع أثناء الحذف: {str(e)}', 'danger')
-
-    return redirect(url_for('index'))
-
 if __name__ == '__main__':
-    app.run(debug=True)
\ No newline at end of file
+    app.run(debug=True)
diff --git a/extentions.py b/extentions.py
new file mode 100644
index 0000000..d26d521
--- /dev/null
+++ b/extentions.py
@@ -0,0 +1,4 @@
+# extensions.py
+from flask_sqlalchemy import SQLAlchemy
+
+db = SQLAlchemy()
\ No newline at end of file
diff --git a/routes/__init__.py b/routes/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/routes/csv.py b/routes/csv.py
new file mode 100644
index 0000000..3ed638a
--- /dev/null
+++ b/routes/csv.py
@@ -0,0 +1,107 @@
+from flask import Blueprint, send_from_directory, flash, redirect, url_for, request
+import csv
+import io
+import io
+import csv
+import datetime
+from app import validate_student_data , get_db_connection
+
+csv_bp = Blueprint('csv', __name__)
+
+@csv_bp.route('/import_csv', methods=['POST'])
+def import_csv():
+    if 'file' not in request.files:
+        flash('لم يتم تقديم ملف', 'danger')
+        return redirect(url_for('index'))
+
+    file = request.files['file']
+    if file.filename == '':
+        flash('لم يتم اختيار ملف', 'warning')
+        return redirect(url_for('index'))
+
+    if not str(file.filename).lower().endswith('.csv'):
+        flash('صيغة الملف غير مدعومة. يجب أن يكون CSV', 'danger')
+        return redirect(url_for('index'))
+
+    try:
+        stream = io.TextIOWrapper(file.stream, encoding='utf-8-sig')
+        csv_reader = csv.reader(stream)
+        valid_rows = []
+        row_errors = []
+
+        expected_columns = 12
+
+        for i, row in enumerate(csv_reader, 1):
+            if len(row) != expected_columns:
+                row_errors.append(f'السطر {i}: عدد الأعمدة غير صحيح ({expected_columns} مطلوبة)')
+                continue
+
+            student_data = {
+                'student_name': row[0].strip(),
+                'age': row[1].strip(),
+                'parent_name': row[2].strip(),
+                'parent_phone_1': row[3].strip(),
+                'parent_phone_2': row[4].strip(),
+                'student_phone': row[5].strip(),
+                'grade': row[6].strip(),
+                'school_name': row[7].strip(),
+                'address': row[8].strip(),
+                'memorizing': row[9].strip(),
+                'notes': row[10].strip(),
+                'registration_date': row[11].strip()
+            }
+
+            if not student_data['registration_date']:
+                student_data['registration_date'] = datetime.date.today().isoformat()
+
+            errors = validate_student_data(student_data)
+            if errors:
+                row_errors.append(f'السطر {i}: {"; ".join(errors)}')
+                continue
+
+            valid_rows.append((
+                student_data['student_name'],
+                int(student_data['age']),
+                student_data['parent_name'],
+                student_data['parent_phone_1'],
+                student_data['parent_phone_2'] or None,
+                student_data['student_phone'] or None,
+                student_data['grade'],
+                student_data['school_name'],
+                student_data['address'],
+                student_data['memorizing'],
+                student_data['notes'] or None,
+                student_data['registration_date']
+            ))
+
+        if row_errors:
+            flash(f'تم العثور على أخطاء في {len(row_errors)} سطراً', 'warning')
+            for error in row_errors[:5]:
+                flash(error, 'danger')
+            if len(row_errors) > 5:
+                flash(f'...و {len(row_errors)-5} أخطاء إضافية', 'danger')
+
+        if valid_rows:
+            with get_db_connection() as conn:
+                conn.executemany('''
+                    INSERT INTO students (
+                        student_name, age, parent_name,
+                        parent_phone_1, parent_phone_2,
+                        student_phone, grade, school_name,
+                        address, memorizing, notes, registration_date
+                    ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+                ''', valid_rows)
+                conn.commit()
+            flash(f'تم استيراد {len(valid_rows)} طالب بنجاح', 'success')
+        else:
+            flash('لم يتم استيراد أي سجلات', 'warning')
+
+    except csv.Error as e:
+        flash(f'خطأ في معالشة CSV: {str(e)}', 'danger')
+    except Exception as e:
+        flash(f'خطأ غير متوقع: {str(e)}', 'danger')
+    return redirect(url_for('index'))
+
+@csv_bp.route('/download_csv_template')
+def download_csv_template():
+    return send_from_directory('templates', 'template.csv', as_attachment=True)
diff --git a/routes/points.py b/routes/points.py
new file mode 100644
index 0000000..2b5e392
--- /dev/null
+++ b/routes/points.py
@@ -0,0 +1,89 @@
+import sqlite3
+from flask import Blueprint, render_template, request, flash, redirect, url_for
+from app import get_db_connection
+
+points_bp = Blueprint('points', __name__)
+
+@points_bp.route('/points', methods=['GET', 'POST'])
+def points():
+    if request.method == 'POST':
+        # Now student_id will be a list of selected IDs from the checkboxes
+        selected_student_ids = request.form.getlist('student_id')
+        point_amount_str = request.form.get('point_amount')
+        operation = request.form.get('operation')
+
+        if not selected_student_ids or not point_amount_str or not operation:
+            flash('الرجاء اختيار طالب واحد على الأقل وتعبئة جميع الحقول المطلوبة.', 'danger')
+            return redirect(url_for('points'))
+
+        try:
+            point_amount = int(point_amount_str)
+
+            if point_amount <= 0:
+                flash('الرجاء إدخال قيمة نقاط أكبر من صفر.', 'danger')
+                return redirect(url_for('points'))
+
+            with get_db_connection() as conn:
+                # Ensure IDs are integers and unique
+                int_selected_ids = sorted(list(set([int(sid) for sid in selected_student_ids if sid.isdigit()])))
+                if not int_selected_ids:
+                    flash('لم يتم تحديد أي طالب صالح.', 'danger')
+                    return redirect(url_for('points'))
+
+                placeholders = ','.join(['?'] * len(int_selected_ids))
+                query = f"SELECT id, student_name, points FROM students WHERE id IN ({placeholders})"
+                students_to_update = conn.execute(query, int_selected_ids).fetchall()
+
+                if not students_to_update:
+                    flash('لم يتم العثور على أي طلاب مطابقين للاختيار.', 'danger')
+                    return redirect(url_for('points'))
+
+                updated_details = []
+                for student in students_to_update:
+                    current_points = student['points']
+                    student_name = student['student_name']
+                    new_points = current_points
+
+                    if operation == 'add':
+                        new_points += point_amount
+                    elif operation == 'remove':
+                        if current_points < point_amount:
+                            new_points = 0 # Cap at zero
+                        else:
+                            new_points -= point_amount
+                    else:
+                        flash('عملية غير صالحة.', 'danger')
+                        return redirect(url_for('points'))
+
+                    conn.execute('UPDATE students SET points = ? WHERE id = ?', (new_points, student['id']))
+                    updated_details.append(f"{student_name} (أصبح {new_points})")
+
+                conn.commit()
+
+                flash_op_text = "إضافة" if operation == "add" else "خصم"
+                if len(updated_details) == 1:
+                    flash(f'تمت عملية {flash_op_text} النقاط للطالب {updated_details[0].replace(" (أصبح", " والنقاط الجديدة")}.', 'success')
+                else:
+                    flash_message_head = f'تمت عملية {flash_op_text} النقاط لـ {len(updated_details)} طلاب.'
+                    flash_message_body = 'التفاصيل: ' + ', '.join(updated_details[:5])
+                    if len(updated_details) > 5:
+                        flash_message_body += f'... والمزيد.'
+                    flash(f'{flash_message_head} {flash_message_body}', 'success')
+
+        except ValueError:
+            flash('النقاط يجب أن تكون أرقاماً صحيحة.', 'danger')
+        except sqlite3.Error as e:
+            flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
+        except Exception as e:
+            flash(f'خطأ غير متوقع: {str(e)}', 'danger')
+
+        return redirect(url_for('points'))
+
+    else: # GET request
+        try:
+            with get_db_connection() as conn:
+                students = conn.execute('SELECT id, student_name, points FROM students ORDER BY student_name ASC').fetchall()
+            return render_template('points.html', students=students)
+        except sqlite3.Error as e:
+            flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
+            return render_template('points.html', students=[])
diff --git a/routes/students.py b/routes/students.py
new file mode 100644
index 0000000..6c5f873
--- /dev/null
+++ b/routes/students.py
@@ -0,0 +1,189 @@
+from flask import Blueprint, render_template, request, redirect, url_for, flash
+import sqlite3
+from app import get_db_connection, validate_student_data
+import datetime
+from typing import Any
+
+students_bp = Blueprint('students', __name__)
+
+@students_bp.route('/')
+def index():
+    try:
+        with get_db_connection() as conn:
+            students = conn.execute('''
+                SELECT id, student_name, age, parent_name, parent_phone_1, parent_phone_2,
+                       student_phone, grade, school_name, address, memorizing, notes,
+                       registration_date, points
+                FROM students
+                ORDER BY student_name ASC
+            ''').fetchall()
+        return render_template('index.html', students=students)
+    except sqlite3.Error as e:
+        flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
+        return render_template('index.html', students=[])
+
+@students_bp.route('/add_student', methods=['POST'])
+def add_student():
+    form_data = request.form
+    validation_errors = validate_student_data(form_data)
+
+    if validation_errors:
+        for error in validation_errors:
+            flash(error, 'danger')
+        return redirect(url_for('index'))
+
+    registration_date = form_data.get('registration_date')
+    if not registration_date:
+        registration_date = datetime.date.today().isoformat()
+
+    try:
+        student_data = (
+            form_data['student_name'],
+            int(form_data['age']),
+            form_data['parent_name'],
+            form_data['parent_phone_1'],
+            form_data.get('parent_phone_2') or None,
+            form_data.get('student_phone') or None,
+            form_data['grade'],
+            form_data['school_name'],
+            form_data['address'],
+            form_data['memorizing'],
+            form_data.get('notes') or None,
+            registration_date,
+        )
+
+        with get_db_connection() as conn:
+            conn.execute('''
+                INSERT INTO students (
+                    student_name, age, parent_name,
+                    parent_phone_1, parent_phone_2,
+                    student_phone, grade, school_name,
+                    address, memorizing, notes, registration_date
+                ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+            ''', student_data)
+            conn.commit()
+
+        flash('تمت إضافة الطالب بنجاح!', 'success')
+        return redirect(url_for('index'))
+
+    except sqlite3.IntegrityError as e:
+        flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
+    except Exception as e:
+        flash(f'خطأ غير متوقع: {str(e)}', 'danger')
+
+    return redirect(url_for('index'))
+
+@students_bp.route('/modify_student/<int:student_id>', methods=['GET', 'POST'])
+def modify_student(student_id: int) -> Any :
+    if request.method == 'GET':
+        try:
+            with get_db_connection() as conn:
+                student = conn.execute('''
+                    SELECT id, student_name, age, parent_name, parent_phone_1, parent_phone_2,
+                           student_phone, grade, school_name, address, memorizing, notes,
+                           registration_date, points
+                    FROM students WHERE id = ?''', (student_id,)).fetchone()
+
+            if student is None:
+                flash('الطالب غير موجود.', 'danger')
+                return redirect(url_for('students.index'))
+
+            return render_template('modify_info.html', student=student)
+        except sqlite3.Error as e:
+            flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
+            return redirect(url_for('students.index'))
+
+    elif request.method == 'POST':
+        form_data = request.form
+        validation_errors = validate_student_data(form_data)
+
+        if validation_errors:
+            for error in validation_errors:
+                flash(error, 'danger')
+            try:
+                with get_db_connection() as conn:
+                    student = conn.execute('''
+                        SELECT id, student_name, age, parent_name, parent_phone_1, parent_phone_2,
+                               student_phone, grade, school_name, address, memorizing, notes,
+                               registration_date, points
+                        FROM students WHERE id = ?''', (student_id,)).fetchone()
+                return render_template('modify_info.html', student=student)
+            except sqlite3.Error as e:
+                flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
+                return redirect(url_for('students.index'))
+
+        registration_date = form_data.get('registration_date')
+        if not registration_date:
+            try:
+                with get_db_connection() as conn:
+                    original_student = conn.execute('SELECT registration_date FROM students WHERE id = ?', (student_id,)).fetchone()
+                    if original_student:
+                        registration_date = original_student['registration_date']
+                    else:
+                        registration_date = datetime.date.today().isoformat()
+            except sqlite3.Error:
+                registration_date = datetime.date.today().isoformat()
+
+        try:
+            student_data = (
+                form_data['student_name'],
+                int(form_data['age']),
+                form_data['parent_name'],
+                form_data['parent_phone_1'],
+                form_data.get('parent_phone_2') or None,
+                form_data.get('student_phone') or None,
+                form_data['grade'],
+                form_data['school_name'],
+                form_data['address'],
+                form_data['memorizing'],
+                form_data.get('notes') or None,
+                registration_date,
+                student_id
+            )
+
+            with get_db_connection() as conn:
+                conn.execute('''
+                    UPDATE students SET
+                        student_name = ?,
+                        age = ?,
+                        parent_name = ?,
+                        parent_phone_1 = ?,
+                        parent_phone_2 = ?,
+                        student_phone = ?,
+                        grade = ?,
+                        school_name = ?,
+                        address = ?,
+                        memorizing = ?,
+                        notes = ?,
+                        registration_date = ?
+                    WHERE id = ?
+                ''', student_data)
+                conn.commit()
+
+            flash('تم تحديث بيانات الطالب بنجاح!', 'success')
+            return redirect(url_for('students.index'))
+
+        except sqlite3.IntegrityError as e:
+            flash(f'خطأ في قاعدة البيانات: {str(e)}', 'danger')
+        except Exception as e:
+            flash(f'خطأ غير متوقع: {str(e)}', 'danger')
+        return redirect(url_for('students.index'))
+
+@students_bp.route('/delete_student/<int:student_id>', methods=['POST'])
+def delete_student(student_id):
+    try:
+        with get_db_connection() as conn:
+            student = conn.execute('SELECT id FROM students WHERE id = ?', (student_id,)).fetchone()
+            if student is None:
+                flash('الطالب غير موجود.', 'danger')
+                return redirect(url_for('index'))
+
+            conn.execute('DELETE FROM students WHERE id = ?', (student_id,))
+            conn.commit()
+            flash('تم حذف الطالب بنجاح!', 'success')
+    except sqlite3.Error as e:
+        flash(f'خطأ في قاعدة البيانات أثناء الحذف: {str(e)}', 'danger')
+    except Exception as e:
+        flash(f'خطأ غير متوقع أثناء الحذف: {str(e)}', 'danger')
+
+    return redirect(url_for('index'))