Complex sentence: He moved to Richmond, Virginia and attended Virginia Commonwealth University, supporting himself by cleaning floors at Johnston-Willis Hospital, working as a waiter, a substitute teacher at an all-black school, and as a campus police officer for one summer.
Split into simpler sentences: He moved to Richmond, Virginia and attended Virginia Commonwealth University. He supported himself cleaning floors at Johnston-Willis Hospital, subsequently working as a waiter, a substitute teacher at an all-black school, and as a campus police officer for one summer.