Complex sentence: The largest private university systems on the island are the Sistema Universitario Ana G. Mendez which operates the Universidad del Turabo, Metropolitan University and Universidad del Este, the multi-campus Inter American University, the Pontifical Catholic University, and the Universidad del Sagrado Corazón.
Split into simpler sentences: The largest private university systems on the island are the Sistema Universitario Ana G. Mendez which operates the Universidad del Turabo, Metropolitan University and Universidad del Este. Other private universities include the multi-campus Inter American University, the Pontifical Catholic University, and the Universidad del Sagrado Corazón.