Retention rates of undergraduates at large urban universities serving minority populations have been problematic, especially among students in science and technology fields. John Jay College of Criminal Justice has designed a cohesive collegiate retention program according to the Tinto model of retention. This article details the strategies utilized as they relate to known factors affecting college persistence. Preliminary outcomes of this work are also explored in terms of student involvement and institutional support. (Contains 1 table and 6 figures.)