St John's Catholic Prep is located in Frederick, MD. It is a private school that serves 264 students in grades 9-12. St John's Catholic Prep is coed (school has male and female students) and is Roman Catholic in orientation. The school belongs to the National Catholic Educational Association.
In 2010, St John's Catholic Prep had 10 students for every full-time equivalent teacher. The Maryland average is 15 students per full-time equivalent teacher.