Writing prompt: Should Students Be Allowed to Use Cellphones at School?

Student essay:
There are more and more students using cellphones at school. This can be one of the problems for every student and teacher. Should students be allowed to use cellphones at school? Different people have different thoughts.
There are some advantages. If you use phones to learn English, you can improve very fast in English grammar and listening by using phones' app. When you use cellphones, you can know news at home and overseas.
A coin has two sides. There are also some people disagreeing it. Firest, many students may chat online or play games in the classes as they use cellphones. What is worse, some students even use cellphones in the bedroom after night.
As for me, I think it does not matter for me to use cellphones at school. It does not depend on whether the phones can be allowed. But it depends on if the users use it in a right way. Let us use cellphones rightly.

Corrected essay:
There are more and more students using cellphones at school. This can be one of the problems for every student and teacher. Should students be allowed to use cellphones at school? Different people have different thoughts.
There are some advantages. If you use phones to learn English, you can improve very fast in English grammar and listening by using phone apps. When you use cellphones, you can know news at home and overseas.
A coin has two sides. There are also some people disagreeing with it. First, many students may chat online or play games in class as they use cellphones. What is worse, some students even use cellphones in the bedroom at night.
As for me, I think it does not matter to use cellphones at school. It does not depend on whether the phones can be allowed, but it depends on if the users use them in a right way. Let us use cellphones rightly.