And St. Bonaventure is successful, especially considering its size, which limits everything from alumni fund-raising to the amenities it can afford to provide to students. Back in 1970, it reached the N.C.A.A.’s Final Four; of the 99 schools that have achieved this feat, it is the smallest. And since 2007, when Mark Schmidt became head coach, the team has won two regular-season titles and two conference tournaments.