HB4066

Education: athletics; single-sex sports teams; require. Amends 1976 PA 451 (MCL 380.1 - 380.1852) by adding sec. 1290.

Chamber Passed·5/22/25

Michigan HB4066 mandates separate single-sex sports teams in public schools, prohibiting male participation in female sports and vice versa.

Michigan HB4066 amends the state's education law to require school districts, intermediate school districts, and public school academies to designate interscholastic athletic teams based on the biological sex of participants. It mandates separate teams for female and male participants, with co-ed teams allowed if applicable. The bill prohibits males from participating in female sports and females from participating in male sports. It also provides legal recourse for those deprived of athletic opportunities or harmed by violations, including injunctive relief, damages, and attorney fees.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Last
Passed the House · 58–46 · May 22, 2025
Current
Government Operations Committee
Next
Senate floor vote

Sponsors

0
30
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Democratic CaucusRepublican Caucus

Roll Call Votes

58 Yea

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46 Nay

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Calendar

May 15, 2025

9:00 AM

House Government Operations

History

May 29, 2025

Senate

Passed By House With Immediate Effect

May 29, 2025

Senate

Referred To Committee On Government Operations

May 22, 2025

House

Read A Third Time