<p>Get a good review book and read it in detail. Gauge your abilities with the practice exams. With what little time is left, those are really your only options. You probably know more than you think you do, if you have been making an honest effort to keep up while the teaching has been slack. I ran into the same problem this year with AP Statistics, but I have been working on it by myself and I’m now pretty successful at it. I believe you can pass the APES exam if you really study hard from now until the test.</p>