The UIS Prairie Stars (also Illinois–Springfield Prairie Stars and formerly Sangamon State Prairie Stars) are the athletic teams that represent the University of Illinois Springfield, located in Springfield, Illinois, in intercollegiate sports as a member of the Division II level of the National Collegiate Athletic Association (NCAA), primarily competing in the Great Lakes Valley Conference (GLVC) since the 2009–10 academic year, which they became a full-fledged Division II member on Aug. 1, 2010. The Prairie Stars previously competed in the American Midwest Conference (AMC) of the National Association of Intercollegiate Athletics (NAIA) from 2003–04 to 2008–09.