Complex sentence: She wears a jersey to class; one time she dresses in a school swimsuit like a student, although she later reveals that she cannot swim and that she got the P.E. job because of her coaching skills.
Split into simpler sentences: She wears a jersey to class; although one time she dresses in a school swimsuit like a student. She reveals that she cannot swim and that she got the P.E. job because of her coaching skills.