My son attends LASA in Austin. His calc teacher has a 97% rate for his students scoring a 4 or 5 over 15 years. This includes a few students who didn't take th

My son attends LASA in Austin. His calc teacher has a 97% rate for his students scoring a 4 or 5 over 15 years. This includes a few students who didn't take the test. (My son got a '5' on the BC calc AP.)