Complex sentence: She grew up in New York's Upper East Side, was an undergraduate at Bard College in Upstate New York, and gained a doctorate in art history from City University of New York where her dissertation was on André Kertész.
Split into simpler sentences: She grew up in New York's Upper East Side. She was an undergraduate at Bard College in upstate New York and gained a doctorate in art history from City University of New York--her dissertation was on André Kertész.