2025 House Bill 4066

Education: athletics; single-sex sports teams; require.

A bill to amend 1976 PA 451, entitled “The revised school code,” (MCL 380.1 to 380.1852) by adding section 1290.

AI Analysis – Experimental

The legislation requires schools to designate athletic teams based on biological sex, prohibits males from female teams, and provides legal recourse for violations, with actions to be initiated within two years.

Introduced in the House

Feb. 11, 2025

Introduced by Rep. Jason Woolford (R-50) and 29 co-sponsors

Co-sponsored by Reps. Brian BeGole (R-71), Tim Kelly (R-93), Mike Hoadley (R-99), Tom Kunse (R-100), Ron Robinson (R-58), Rylee Linting (R-27), Alicia St. Germaine (R-62), Timothy Beson (R-96), Steve Carra (R-36), Pauline Wendzel (R-39), Jennifer Wortz (R-35), David Martin (R-68), Gina Johnsen (R-78), Jerry Neyer (R-92), James DeSana (R-29), Pat Outman (R-91), Joseph Fox (R-101), Steve Frisbie (R-44), Matt Maddock (R-51), Angela Rigas (R-79), Bradley Slagh (R-85), Gregory Alexander (R-98), Greg Markkanen (R-110), Cameron Cavitt (R-106), Luke Meerman (R-89), Karl Bohnak (R-109), Parker Fairbairn (R-107), Mark Tisdel (R-55) and Curtis VanderWall (R-102)

Referred to the Committee on Government Operations

May 15, 2025

Reported with substitute H-1

May 21, 2025

Substitute H-1 concurred in by voice vote

May 22, 2025

Passed in the House 58 to 46 (details)

Motion to give immediate effect by Rep. Bryan Posthumus (R-90)

The motion prevailed by voice vote

Received in the Senate

May 29, 2025

Referred to the Committee on Government Operations