<p>Don’t feel bad - you’ll probably do fine, and even if you don’t get credit, my son has not found it a problem that he had “only” 24 AP credits. His high school didn’t offer AP’s, so all the credits he got were self-studied; the corresponding classes didn’t even pretend to be preparing him for the AP’s. But he did fine in calc BC, and is enjoying the registration advantage even though he’s also in SCA and technically doesn’t need the math skills.</p>