Complex sentence: UHS students graduate after taking a minimum of 8 Advanced Placement (AP) classes (AP English as upperclassmen and AP US History and AP US Government), while many opt to take additional AP courses, some even complete as many as 16.
Split into simpler sentences: UHS students graduate after taking a minimum of 8 Advanced Placement (AP) classes (including AP English as upperclassmen, AP US History, and AP US Government). However, many opt to take additional AP courses, with some students completing as many as 16.