64 teams are in, 267 are out. 32 teams qualified as a result of winning their conference, and the remainder earned an at-large berth. Each conference determines its champion differently, some have year-end tournaments, others, like the Big Ten, determine the champion through regular season play.
The Number of teams by Conference:
Big10 - 8
Big 12 - 7
Pac 12 - 6
SEC - 6
ACC - 6
MEAC (Mid Eastern Athletic Conference)- 2
Mountain West - 2
West Coast Conference- 2
Big East- 2
All others -1 team
The breakdown by state:
Texas - 6
Florida - 5
California - 4
Utah - 4
Kentucky - 4
Illinois - 3
South Carolina - 3
Nebraska - 2
Louisville is the #1 seed with Coach Dani Busboom Kelly at the helm.