Which course should I take, and which should I self-study?

Hello! I’m currently a rising senior going through the scheduling process at my HS. I’ve passed the qualifying exams for all 6 AP’s that I’ve tested for, but my school’s schedule will only allow 5 (7 periods, lunch and phys-ed mandatory :c). I’ve already decided on AP Literature and Composition, Calculus AB, European History and Chemistry, and I have to choose between AP Art History and Statistics for the 5th. Which one should I take in school, since I plan to self-study the other one?