Because I want to take the college entrance examination for fine arts and study fine arts in XX training institutions abroad, I need to go out of school to study in XX every afternoon this semester. Parents have agreed that all security responsibilities outside the school are their own. I hope the school will allow me to release it.

Finally, you sign it yourself, your parents sign it and your teacher signs it.

Remember to stamp. Usually this doesn't embarrass you. You are not at ease when the teacher asks you to write an application. Most of this won't embarrass you. I hope my answer can help you. Thank you for explaining the time, place, safety responsibility, parents' intentions and reasons for going out. These are enough, and other reasons are unnecessary.