My youngest (definitely not a STEM kid) took AP Bio in 11th grade and did well (over 700) on the SAT test (he took it twice, since he had to come back for a second round of subject tests so he tried both the M and E versions and got the same score each time). He also took AP Physics C as a senior having taken regular physics in 10th grade. I don’t think he’d have done nearly as well on the physics subject test as C doesn’t cover all the material.