Wisconsin Assembly Bill AB100

Wisconsin 2025-2026 Regular Session

• Introduced: 3/3/25
• Refer: 3/3/25
• Report Pass: 3/13/25
• Refer: 3/13/25
• Engrossed: 3/20/25
• Refer: 3/21/25
• Enrolled: 2/19/26
• Vetoed: 3/31/26

Caption

Designating athletic sports and teams operated or sponsored by public schools or private schools participating in a parental choice program based on the sex of the participants.

Impact

The proposed law would amend existing provisions that protect students against discrimination based on various attributes, enforcing a new standard concerning sex designation in sports. Educational institutions would have to comply with the new regulations, which includes informing parents and students of any changes to team designations. The requirement to categorize sports teams by sex could have far-reaching implications, particularly for transgender and non-binary students, as it effectively restricts their access to sports based on their assigned sex at birth.

Summary

Assembly Bill 100 seeks to regulate participation in athletic teams at public and private educational institutions in Wisconsin by designating teams and sports based on the biological sex of the participants as recorded on their birth certificates. The bill mandates that male students be prohibited from participating in female sports and using female-designated locker rooms, thus ensuring strict adherence to traditional gender roles in school athletics. This legislation reacts to broader national conversations surrounding transgender athletes' participation in sports and aims to provide a framework that educational institutions must follow.

Contention

Supporters of AB100 argue that the bill is necessary to ensure fair competition in female sports and to protect the opportunities available for female athletes. However, opponents express concern that the legislation discriminates against transgender individuals and undermines their rights to participate in sports consistent with their gender identity. The law's introduction has sparked heated debates, with many advocates for LGBTQ+ rights arguing it could exacerbate the existing challenges faced by transgender youth in educational environments.