The University of Minnesota Twin Cities (Minnesota, U of M, or The U) is a public research university located in Minneapolis and St. Paul, Minnesota. The Minneapolis and St. Paul campuses are approximately 5 miles (8.0 km) apart, and the Saint Paul campus is actually in neighboring Falcon Heights. It is the oldest and largest campus within the University of Minnesota system and has the sixth-largest main campus student body in the United States, with 51,853 students in 2012–2013. The university is organized into 19 colleges and schools, and it has sister campuses in Crookston, Duluth, Morris, and Rochester. Minnesota's athletic teams are known collectively as the Minnesota Golden Gophers and compete in the NCAA's Division I as members of the Big Ten Conference.