Drop AP Calculus AB Senior Year?? want to major in Comp Science

So for senior year I am taking AP Calc AB, AP Physics C, AP Comp Gov, AP Lit, and Spanish 3. I’m not doing that well in AP Calc (I have a C) and the teacher heavily under prepares you for her tests but over prepares you for the AP Test. Most kids who have a C/B in her class end up with 4s and 5s on the exam. Either way, I am considering dropping it to Regular Calculus and take the AP test regardless but if I do, will it make a huge impact? I plan to major in Computer Science so I am aware calculus is important.

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