Saint John’s Catholic Prep – A Catholic, Co-educational, College Preparatory School now located at new campus in Buckeystown, MD (Just a few miles from downtown Frederick. Established in 1829, State of Maryland approved, accredited with Middle States, member of Association of Independent Maryland Schools (A.I.M.S.). Student Enrollment: 260, Student/Faculty Ratio: 9:1. Courses: AP, College Preparatory and General Academic.