15
25:California Collegiate Athletic AssociationCentral Atlantic Collegiate ConferenceCentral Intercollegiate Athletic Association^Conference CarolinasEast Coast ConferenceGreat American Conference^Great Lakes Football ConferenceGreat Lakes Intercollegiate Athletic Conference^Great Lakes Valley ConferenceGreat Northwest Athletic Conference^Gulf South Conference^Heartland ConferenceLone Star Conference^Mid-America Intercollegiate Athletic Association^Northeast Ten Conference^Northern Sun Intercollegiate Conference^Pacific West ConferencePeach Belt ConferencePennsylvania State Athletic Conference^Rocky Mountain Athletic Conference^South Atlantic Conference^Southern Intercollegiate Athletic Conference^Sunshine State ConferenceWest Virginia Intercollegiate Athletic Conference^Division II Independent schools
16: 8 from Eastern Conference and 8 from Western Conference
25:California Collegiate Athletic AssociationCentral Atlantic Collegiate ConferenceCentral Intercollegiate Athletic Association^Conference CarolinasEast Coast ConferenceGreat American Conference^Great Lakes Football ConferenceGreat Lakes Intercollegiate Athletic Conference^Great Lakes Valley ConferenceGreat Northwest Athletic Conference^Gulf South Conference^Heartland ConferenceLone Star Conference^Mid-America Intercollegiate Athletic Association^Northeast Ten Conference^Northern Sun Intercollegiate Conference^Pacific West ConferencePeach Belt ConferencePennsylvania State Athletic Conference^Rocky Mountain Athletic Conference^South Atlantic Conference^Southern Intercollegiate Athletic Conference^Sunshine State ConferenceWest Virginia Intercollegiate Athletic Conference^Division II Independent schools
2 Eastern conference and Western Conference
There are 30; 15 in the Eastern Conference and 15 in the Western Conference.
17
16 - 8 teams from the Eastern Conference, 8 teams from the Western Conference
15
4 championships (1999,2003,2005,2007)
There are 32 Divisions in D-I NCAA Basketball.
as many as they want
5000