Ten of the conference's 12 members left for other leagues after the 2023–24 school year. The Pac-12 still technically exist with Oregon State and Washington State as the only members. Six other schools are confirmed to be joining in 2026.
Big South Conference – As of the 2023 football season, the Big South and Ohio Valley Conferences are partners in a football-only alliance that has a single automatic berth in the FCS playoffs.
The only Division I all-sports conference that plays either men's or women's ice hockey is the Big Ten. It started a men's hockey league in 2013–14.
The Ivy League technically sponsors ice hockey for both men and women, but does not hold a championship tournament. All Ivy League schools that play ice hockey play in Hockey East. The Ivy League determines its champion from results of ECAC Hockey games that involve two Ivy members.
These conferences only play water polo. Two run men's and women's leagues, and the other runs only a women's league.
In some sports, the NCAA does not split schools into divisions because only a small number of schools play a given sport. Technically, conferences in these sports are not Division I. However, most of the schools in these conferences are in Division I in other sports.
These conferences only play men's volleyball (note that women's volleyball is split into divisions):
