The school's sports teams are called the Cougars, and the team colors are green and white. CSU participates in the Western Athletic Conference (WAC) of the National Collegiate Athletic Association's Division I. From 1994 until June 2006, CSU was a member of the Mid-Continent Conference, but withdrew and took independent status before joining the Great West Conference, in which it played from 2009 to 2010 through 2012–13.[35] Prior to gaining NCAA Division I status, the university enjoyed memberships in the National Association of Intercollegiate Athletics (NAIA) and NCAA Division II.