Complex sentence: Petrusich attended the College of William & Mary, graduated with a B.A. in English and film studies in 2000, then earned a master's in nonfiction writing from Columbia University in 2003.
Split into simpler sentences: Petrusich attended the College of William & Mary, graduating with a B.A. in English and film studies in 2000. She then earned a master's in nonfiction writing from Columbia University in 2003.