Make two lists about things you have to and don't have to do at your school. tell your classmates about them

The things I have to do at my school:
1) study hard
2) be quite during lessons
3) be polite to my teachers and classmates
4) do what teachers say

The things I don't have to do at my school:
1) laugh and joke during lessons
2) say bad things to my teachers and classmates
3) sleep