What kind of behaviour in school you find most irritating ? make a list. 10-

Список таков:

1. Students should not smoke either in school or around it.

2. Students may not come to school under the influence of some drug or alcohol.

3. Students should behave respectfully towards their teachers.

4. Students should keep their school clean and not do any damage to it.

5. Students should prevent bullying. They should not support the bullies in any way.

Что то затрудняюсь придумать еще примеров. Добавьте на русском, а я переведу.