Read the following articles:

Censoring Student Newspapers: An Overview
Student Newspapers Are Part of a Curriculum, Not Forums for Free Speech
School Administrators Have No Right to Censor Student Newspapers

Choose either of the two following arguments:
School newspapers should be subject to censorship by faculty and/or school officials. 
Or
School newspapers should have full First Amendment freedoms.
Compose a short (1-2 page)  addressing your chosen argument.

Use any information you find valid to support your side.
Use evidence and reason to support your argument.
Avoid emotional appeals as much as possible.