<p>Take the IB classes so you can be a Diploma Candidate and take AP tests in the subjects you study. The material you learn in SL level classes and a bit of self-study should be more than enough to get 5s. I did the full IB program and by the end of my junior year, I had taken 13 AP tests (11 5s, 2 4s). My senior year, I took HL Math and Diffeq at a local college, which is an option if you feel HL Math is an utter waste of time (like I did).</p>