The following sites (some created by other AP teachers) offer wealth of information that will help you become a thoughtful and critical thinker, not to mention, a formidable voice in the art of rhetoric.
AP CENTRAL - check out past exams, exemplar writing samples, and so much more!
How to figure out your scoreYou may have to refresh this site once you log in - just open "English AP 11" : what you can study: GO TO WEB RESOURCES and click on "FOREST OF RHETORIC"
An example of Student Score Distributions on 2011 AP ExamsNew York TImes Opinion Page - Read as many Opinion pieces as possible to build your knowledge about contempory issues
100s of FREE Non-Fiction Stories
American Rhetoric - Great speeches! Read and deconstruct the argument!
Introduction to Modern Literary Theory