Archbishop Spalding High School is a private, Catholic co-educational high school located in Severn, Maryland, USA. It is located in the Roman Catholic Archdiocese of Baltimore. Most of its students live in Annapolis, Crownsville, Arnold, Pasadena, Severna Park, Crofton, Millersville, Glen Burnie, or Davidsonville in Anne Arundel County. Some also travel from southern Baltimore County, east Prince George's County and parts of Howard County. Spalding has numerous clubs for student involvement and/or academic competition, including Academic Bowl, Mock Trial, Strategic Gaming, HOPE (Help Our Planet Earth) and a NAIMUN award-winning Model United Nations team. It also has many competitive sports teams, such as rugby, soccer, cheerleading, dance, basketball, softball, American football, ice hockey, baseball, lacrosse, track and cross country. These athletic teams compete in the MIAA and the IAAM Conferences. The school sponsors a highly competitive music program, in which students participate in interstate competitions each year. Archbishop Spalding's mascot is the Cavalier.