Complex sentence: She spent several semesters studying as an English major and political science minor at Vassar College in Poughkeepsie, New York, before transferring to New York University's Gallatin School of Individualized Study.
Split into simpler sentences: She spent several semesters studying as an English major and political science minor at Vassar College in Poughkeepsie, New York. She transferred to New York University's Gallatin School of Individualized Study.