<p>For math, the obvious next classes would be linear algebra and multivariate calculus, which tend to be the basic prerequisites for intermediate college math courses. </p>
<p>If he can’t arrange to get credit for them from a local college or online, is there an independent studies program at his high school? My son is doing this with a private tutor in coordination with a high school math teacher who signs off on the program. </p>
<p>Incidentally, we are not as interested in college credit–which varies from college to college—as we are in placement when he gets to college</p>