David A.

Hi! I'm David! I have a 30-year career as a high school math and computer science teacher. I have taught all levels of math from Algebra I through AP Calculus AB and BC, SAT math prep, as well as AP Computer Science A, AP Computer Science Principles, and AP Cybersecurity. I also work for the Educational Testing Service as a reader for the AP Computer Science A exam, which I have done for five years. Prior to that, I was a reader for the AP Calculus AB and BC exams for seven years. While I…