[3][4] The school is in the Holy Cross tradition offering a college preparatory curriculum and a range of Fine Arts, athletics and activities.

Built on a site adjacent to Mount Calvary Catholic Church on Marlboro Pike in Forestville, Maryland, Bishop McNamara High School is a result of Msgr.

Peter Paul Rakowski's plan to build a Catholic high school for boys, and one for girls in the southern part of Prince George's County.

Bishop McNamara High School provides a variety of courses to help students meet the requirements for college admission or other types of professional preparation.

The Fine Arts Programs include: Bishop McNamara competes in the Washington Catholic Athletic Conference at the Varsity and Junior Varsity levels in the following sports: Fall - Football, Women's Tennis, Volleyball, Cross Country, Women's Soccer, Men's Soccer, and Cheerleading Winter - Men's Basketball, Women's Basketball, Swimming, Wrestling, Cheerleading, and Indoor Track Spring - Baseball, Softball, Men's Tennis, Men's Lacrosse, Women's Lacrosse, Track & Field, and Golf Each year student-athletes are selected to the WCAC All-Conference teams, Washington Post All-Met Teams, Maryland All-State Teams, MSABC All State Team, as well as other national, state and conference awards.