Mary Beth was the roommate of Julie at their sorority house at Beach U. She recently had a bad break up with her boyfriend, and was very emotional during the time Eric, Shawn, and Cory were staying in her room. She developed a dislike for Shawn, and threw him out of her room, while telling Cory to stay because he was a sensitive guy. She used Cory has rebound after saying that she was done with guys, but he rejected her advances because of his girlfriend, Topanga.
