Complex sentence: O'Neill graduated from Gonzaga College High School in Washington, D.C., in 1991 and earned a B.A., with Honors, in Political Science and Psychology from Auburn University in 1995, where he was a brother of Theta Xi fraternity.
Split into simpler sentences: O'Neill graduated from Gonzaga College High School in Washington, D.C., in 1991. He earned a B.A., with Honors, in Political Science and Psychology from Auburn University in 1995, where he was a brother of Theta Xi fraternity.