WASHINGTON (AP) — The Supreme Court on Tuesday upheld state laws barring transgender girls and women from playing on school athletic teams, in another setback for transgender people.
The court’s six-justice conservative majority, which has in the past year, ruled that state bans in Idaho and West Virginia don’t violate the Constitution. The court unanimously agreed that barring transgender girls and women also doesn't run afoul of the federal law known as Title IX, which prohibits sex discrimination in education.
Justice Brett Kavanaugh wrote for the court that, “states may maintain women's and girls' sports for biological females.”
More than two dozen other Republican-led states have adopted bans on female transgender athletes, and the decision seems certain to extend to them as well.
Left unresolved by the outcome are lawsuits challenging state laws and regulations in Connecticut, California and elsewhere that permit transgender athletes to compete consistent with their gender identity.
Becky Pepper-Jackson, in Bridgeport, West Virginia, has been taking puberty-blocking medication, has publicly identified since age 8 and has been issued a West Virginia birth certificate recognizing her as female. She is the only transgender person who has sought to compete in girls sports in West Virginia.
Pepper-Jackson has progressed from a back-of-the-pack cross-country runner in middle school to statewide champion in the shot put. She beat the second-place finisher by two feet in last month's West Virginia championship meet.
In the Idaho case, Lindsay Hecox sued over the state’s first-in-the-nation ban for the chance to try out for the women’s track and cross-country teams at Boise State University in Idaho. She didn’t make either squad because “she was too slow,” her lawyer, Kathleen Hartnett, told the court during arguments in January, but she competed in club-level soccer and running.
Prominent women in sports have weighed in on both sides. Tennis champion Martina Navratilova, swimmers Summer Sanders and Donna de Varona and beach volleyball player Kerri Walsh Jennings are supporting the state bans. Soccer stars Megan Rapinoe and Becky Sauerbrunn and basketball players Sue Bird and Breanna Stewart back the transgender athletes.
In 2020, LGBTQ people are protected by a landmark federal civil rights law that prohibits sex discrimination in the workplace, finding that “sex plays an unmistakable role” in employers’ decisions to punish transgender people for traits and behavior they otherwise tolerate.
But last year, the six conservative justices on the nine-member court declined to apply the same sort of analysis when they upheld for transgender minors.
The states supporting the prohibitions on transgender athletes argued there is no reason to extend the ruling barring workplace discrimination to Title IX.
Idaho’s law, state Solicitor General Alan Hurst said, is “necessary for fair competition because, where sports are concerned, men and women are obviously not the same.”
Lawyers for Pepper-Jackson argued that such distinctions generally make sense but that their client has none of those advantages because of the unique circumstances of her early transition. In Hecox’s case, her lawyers wanted the court to dismiss the case because she had forsworn trying to play on women’s teams.
NCAA president Charlie Baker told Congress in 2024 that he was aware of only 10 transgender athletes out of more than half a million students on college teams. But despite the small numbers, the issue has taken on outsize importance.
Baker’s NCAA and the U.S. Olympic and Paralympic Committees from women’s sports after President Donald Trump, a Republican, signed aimed at barring their participation.
The public generally is supportive of the limits. conducted in October 2025 found that about 6 in 10 U.S. adults “strongly” or “somewhat” favored requiring transgender children and teenagers to compete only on sports teams that match the sex they were assigned at birth, not the gender they identify with, while about 2 in 10 were “strongly” or “somewhat” opposed and about one-quarter did not have an opinion.
About 2.1 million adults, or 0.8%, and 724,000 people ages 13 to 17, or 3.3%, identify as transgender in the U.S., according to the Williams Institute at the UCLA School of Law.
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