You really need to consider whether or not you really need a class. Classes are primarily useful for people who know they can't study/focus without reinforcement from an external source.. if you're an independent studier in school you might be better off studying on your own. Also, taking a class doesn't mean you don't need to study outside of class. Most of the time the courses just reiterate what the book's already will tell you through a human being... which means that your ability to answer passage questions is completely up to you and taking a class gives no real advantage if you can just study yourself.