You should not be lete when you go to school.
You should not run in the classroom.
You should not eat in the classroom.
You should not fight with tour classmates.
You should not talk to your classmates during the lesson.
You shoul listen to the teacher's instruction.
you shoudn't eat or drink in classroom
you should wear uniform strightly
you should obey the all the rules
you shouldn't fight with others
you should polite whith others
you shouldn't talk with others in the lessons