A tip i can give you is to use a topis that you are strong about. Forexample, if you strongly believe that state tests should not be administered you should use that. But ypou need evidence to back this claim up. If you dont, then the essay wont be per<span>suasive</span> it will only be an opinion that people wont believe.
Typically newspapers want their articles to be shorter because they want to appeal to their audience, who wants only the facts and information quickly.