Mater Dei Prep is a Catholic co-educational secondary school located on a 32 acre campus in Middletown, New Jersey. Founded in 1961 by Monsignor Robert T. Bulman, Mater Dei Prep is accredited by the Middle States Association of Colleges and Secondary Schools and is an active member of the National Catholic Education Association. Mater Dei Prep draws students from over 30 parochial, private, and public schools in Monmouth and Middlesex Counties.