He is a graduate of DePaul University surprisingly he hangs a Northwestern University pennant in his office as well. He has Carpal tunnel syndrome. By the time of the second film there are T.V. screens installed throughout the school, which play Mr. Duvall's announcements.
At the end of the first film, he dances with Ms. Sharon Norbury at the Spring Fling. It seems like the two are pairing up romantically. Ms. Norbury doesn't appear in the sequel and there is no further information on their love life.