<p>I self-studied AB as a junior last year and got one of two 5’s out of everyone who took it at my school, including those who took the actual class. The main difference in what I did was that I learned the concepts first, and then the math behind them. It does no good to memorzie a bunch of formulas without knowing how or why you’re using them. Granted, the formulas are still important, but if you can’t apply them, you won’t score too high. My main resource was the MIT OCW class on iTunes. I didn’t do any serious work until February, and even then just a few minutes every day.</p>
<p>If you want to take AB, I would start studying right now to feel comfortable, and by April have completed everything you need to know so you can start doing practice tests. If you want to take BC, try to spend the rest of this year reviewing the AB content that is tested and then do BC until April. Again, spend the rest of your time doing practice tests. That was my biggest mistake. I had barely any idea what the actual test was like, or what it tested, but I was very lucky with my free-response section.</p>
<p>Barron’s is generally seen as the best review book. I personally didn’t use it, but that’s because I used a friend’s book instead (Kaplan). Kaplan, though most of the people on here despise it, was actually decent, and explained everything in an easy to understand way. The only review book I read cover to cover though was the REA Crash Course. That book is invaluable. I’d highly recommend it for the formulas and explanations.</p>
<p>Hope this helps. I’d recommend retaking BC if that’s the class you took. If you start studying now, you should be on track to pass. Good luck!</p>