Some writing tips to help you craft a better application:

1. Address the principal politely.
2. State your name, class, and previous school.
3. Explain why you want to join this school.
4. Mention any achievements or skills you have.
5. Explain how you can contribute to the school.
6. Request admission in the upcoming academic session.
7. Thank the principal for considering your application.
8. Include your contact information for further communication.