<p>As jacksparrow says, it’s the last year for AB… That is some factor behind your decision.</p>
<p>In my candid opinion, it honestly depends if you’re a math/comp-sci guy. For me, I took AP Computer Science A as a freshmen and got a 5 with a broken wrist (yes, I am serious… and no, I did not get a time extension). Next year, the Comp Sci class got canceled, and I ended up self-studying for AB. Like any true procrastinator, I read the data structures for like three hours and went into the exam. From my experience, I would have to say that AB is substantially harder if you do not get comp sci at all.</p>
<p>I’d suggest you first try learning the A material and see if you can grasp it really well. Then consider learning AB material.</p>