If you can't find a topic in this list, you might want to see 100 Easy Persuasive Essay Topics with Tips to Write a Paper Fast: http://hubpages.com/academia/100-Easy-Persuasive-E...
Here are some of the easiest topics for most students:
Is video gaming good or bad?
Why you should not procrastinate.
Does media violence create real violence?
How important is a college degree?