West Virginia v. B. P. J.

Docket Number: 24-43
Citation: 609/2
Term: October Term 2025
Argued: January 13, 2026
Decided: June 30, 2026
Lower Court: United States Court of Appeals for the Fourth Circuit
Author: Associate Justice Brett M. Kavanaugh
Concurring: Brett M. Kavanaugh, John G. Roberts, Jr., Clarence Thomas, Samuel A. Alito, Jr., Neil M. Gorsuch, Amy Coney Barrett
Dissenting: Sonia Sotomayor, Elena Kagan, Ketanji Brown Jackson

Read the official slip opinion (PDF)

AI-Generated Summary

1. Case Information:

Case Name: West Virginia et al. v. B. P. J., by her next friend and mother, Heather Jackson (consolidated with Little, Governor of Idaho, et al. v. Hecox et al.)
Docket Number: Nos. 24–43 and 24–38
Dates: Argued January 13, 2026—Decided June 30, 2026
Lower Court: Certiorari to the United States Court of Appeals for the Fourth Circuit (No. 24–43) and Ninth Circuit (No. 24–38)

2. Facts of the Case:

In 2021, West Virginia enacted the Save Women’s Sports Act, limiting female sports teams to biological females, with sex determined by biology at birth; the legislature cited interests in equal athletic opportunities, safety, and fairness. B. P. J., a biological male who identifies as female and has received puberty blockers and hormones, sought to compete on girls’ cross-country and track teams but was barred. B. P. J. sued, alleging violations of Title IX and the Equal Protection Clause. The District Court granted summary judgment to the State; the Fourth Circuit reversed on Title IX and remanded the Equal Protection claim.
In 2020, Idaho enacted the Fairness in Women’s Sports Act with similar biological-sex limits, citing physical differences, competitive fairness, and safety. Hecox, a biological male who identifies as female and has taken hormones, challenged the law under the Equal Protection Clause. The District Court issued a preliminary injunction; the Ninth Circuit affirmed.
Procedural history: The Supreme Court granted certiorari in both cases. The opinion notes that Hecox’s case became moot after certiorari was granted.

3. Legal Issues Presented:

Whether Title IX permits schools to limit women’s and girls’ sports teams to biological females.
Whether the Equal Protection Clause of the Fourteenth Amendment prohibits States from maintaining female sports teams for biological females.
The cases involve statutory interpretation of Title IX (and its implementing regulations and the Javits Amendment) and constitutional interpretation of the Equal Protection Clause. B. P. J. argued that Title IX requires exceptions for biological males who identify as female and have taken puberty blockers or hormones; respondents argued that such laws discriminate on the basis of transgender status or gender identity or fail intermediate scrutiny as applied to that subclass.

4. The Court's Decision (Main Opinion):

Author & Type: Justice Kavanaugh delivered the opinion of the Court (Majority opinion), joined by Chief Justice Roberts and Justices Thomas, Alito, Gorsuch, and Barrett.
Holding: Title IX allows schools to maintain separate women’s and men’s sports teams defined by biological sex. West Virginia and Idaho permissibly limit female sports to biological females. The laws do not violate the Equal Protection Clause.
Legal Reasoning: The ordinary meaning of “sex” in Title IX, the Javits Amendment, and 1975 HEW regulations is biological sex. Regulations expressly authorize separate teams based on competitive skill or contact sports precisely because of inherent physical differences between biological males and females. Safety and competitive fairness are important governmental interests; limiting teams to biological females is substantially related to those interests. The Court rejected arguments for individualized exemptions or as-applied challenges, noting that legislatures and schools are better positioned than courts to draw lines in the sports context and that intermediate scrutiny does not require perfect fit or case-by-case analysis. Bostock v. Clayton County is inapposite because Title IX authorizes sex-separated teams, unlike Title VII. Ongoing medical debate does not alter the constitutional conclusion; courts defer to legislative judgments amid scientific uncertainty.
Disposition: Reversed and remanded (Fourth Circuit judgment in No. 24–43 and Ninth Circuit judgment in No. 24–38).

5. Concurring Opinion(s) (if any):

Justice Thomas filed a concurring opinion, emphasizing that transgender status is not a suspect class and that sex is an immutable biological characteristic.
Justice Gorsuch filed a concurring opinion, underscoring that Title IX (a Spending Clause statute) does not clearly and unambiguously prohibit biological-sex limits on sports teams and that Bostock does not control.

6. Dissenting Opinion(s) (if any):

Justice Sotomayor filed an opinion concurring in the judgment in part and dissenting in part, joined by Justices Kagan and Jackson. She agreed that B. P. J.’s Title IX claim fails but argued that the Equal Protection claim requires further fact-finding on whether transgender girls who have never experienced endogenous male puberty and receive gender-affirming treatment are similarly situated to cisgender girls; the majority’s approach improperly narrows intermediate scrutiny and resolves factual disputes prematurely.
Justice Jackson filed an opinion concurring in the judgment in part and dissenting in part, agreeing that B. P. J.’s Title IX claim fails on the concessions made but noting that Bostock’s reasoning applies to Title IX more broadly outside the sports context.

7. Potential Significance:

The ruling affirms that States may determine eligibility for women’s and girls’ sports on the basis of biological sex and that such classifications satisfy intermediate scrutiny given the inherent physical differences between the sexes. It emphasizes judicial deference to legislative line-drawing in areas of medical and scientific uncertainty and rejects requirements for individualized or as-applied exemptions in the sports context. The decision leaves open questions about participation by biological males who identify as female on girls’ teams under different circumstances.

This summary was generated by AI and may contain inaccuracies. Refer to the official source document for the authoritative text.

Key terms: Girls Sports, Biological Sex, Transgender Athletes