Complex sentence: Geary Hall now serves as the school's gym/theater for sports including Basketball, Volleyball as well as physical education classes and Movement and Lab. Other league sports students can participate in are flag football, softball, and track.
Split into simpler sentences: Geary Hall now serves as the school's gym/theater for sports including Basketball and Volleyball as well as physical education classes. Other sports students can participate in are flag football, softball, and track.