Complex sentence: Acceptance into the program is through a two-stage application process--the first stage involves an actual application which factors in current GPA plus two teacher recommendations, after which qualified students undergo an audition related to their intended arts major.
Split into simpler sentences: Acceptance into the program is through a two-stage application process. The first stage involves an actual application which factors in current GPA, plus two teacher recommendations, after which qualified students undergo an audition related to their intended arts major.