School MAPHL Conf. Address City
Archbishop Spalding AA, A MIAA 8080 New Cut Road Severn, MD 21144
Bishop O'Connell AA, A WCAC 6600 Little Falls Road Arlington, VA 22213
Bullis AA IAC 10601 Falls Rd Potomac, MD 20854
Calvert Hall AA, A MIAA 8102 La Salle Road Baltimore, MD 21286
DeMatha AA, A WCAC 4313 Madison Street Hyattsville, MD 20781
Georgetown Prep AA IAC 10900 Rockville Pike North Bethesda, MD 20852
Gonzaga AA, A WCAC 19 Eye Street NW Washington, DC 20001
Good Counsel A WCAC 17301 Old Vic Blvd Olney, MD 20832
Landon AA IAC 6101 Wilson Lane Bethesda, MD 20817
Mt. St. Joseph AA, A MIAA 4403 Frederick Avenue Baltimore, MD 21229
St. Albans AA IAC Mount St. Alban Washington, DC 20016
St. John's AA, A WCAC 2607 Military Road NW Washington, DC 20015
St. Mary's Ryken A WCAC 22600 Camp Calvert Road  Leonardtown, MD 20650
St. Stephen's & St. Agnes A IAC 1000 St. Stephen's Road Alexandria, VA 22304