this is should be ur own idea about it yet but i can write a short paragraph for ex :

-I think on the advantages of wearing unforms to school there should be some rules for it. And i will give some to be example :

+ student should feel proud about their school

+ guide someone want to take a look at ur school

+ Must be good behavior at school, no fighting, bet, ...

+ Student shouldn't late for school for some reason waste time  choosing clothes, eating, ...

+ Student mustn't make different between rich and poor teacher, student.

There are many more rules to put on about hte problems of wearing uniforms to school but we should do our responsible of being a student.