Describe the rules you have to follow at your school. i think the rule is the most useful. and the rule is not necessary.

You can write like
1)Respect each other
2)Hear when someone tell theme or homework
3)Don't prevent another
4)Don’t believe everything your child tells you

“Your child will tell you what they think you want to hear 

5)Don’t push children to study subjects they aren’t interested in
6). Don’t be late for school

“Children can become very anxious if they are late, so it adds unnecessary worry 
and doesn’t start the day in a positive way.
Теперь выбери один из них и которую считаешь важным и напиши на I think the rulemost useful.Потом выбери не очень та важного и напиши на and the rule is'n necessary