Plain-English summary
Does law allow states to separate school sports by biological sex at birth?
This case asks whether Title IX and the Equal Protection Clause bar a state from consistently designating boys’ and girls’ sports teams based on biological sex determined at birth. The Court heard argument on January 13, 2026; the case is pending a decision.
Why this matters
The decision will determine whether states can adopt and enforce sports policies that exclude transgender girls from girls’ teams by relying on birth‑assigned sex, affecting participation opportunities, fairness debates in school sports, and how federal anti‑discrimination law applies to transgender students.
Who may feel it
- Transgender students and their families
- Public K–12 schools and athletic associations
- Coaches and athletic administrators
- State governments and lawmakers
- Advocacy groups for LGBTQ+ rights and for women’s sports
Key questions
- Does Title IX forbid a state from consistently designating boys’ and girls’ teams based on biological sex determined at birth?
- Does the Equal Protection Clause prohibit a state from offering separate boys’ and girls’ teams based on biological sex determined at birth?