On the surface, the Supreme Court’s June 30 opinion upholding state laws barring transgender girls from women’s and girl’s sports teams looks like a victory for women’s rights.
The 6-3 opinion by Justice Brett M. Kavanaugh certainly presents itself that way. “Females and males have inherent physical differences relevant to athletic performance,” Kavanaugh wrote. “Therefore, in contact sports, forcing female athletes to compete against males can create significant safety risks.” He also asserted that “forcing female athletes to compete against males can undermine competitive fairness.”
The ruling applied to prohibitions enacted in Idaho and West Virginia against “biological” males’ participation on women’s teams in public schools. Federal judges in both states overturned the bans. The Supreme Court majority restored them. The ruling essentially upholds similar bans enacted in 25 other states.
Kavanaugh, like President Donald Trump and others in the anti-transgender camp, maintained that one’s gender is an immutable fact of life, established even before birth.
Anything else, Trump stated in an executive order he issued on Inauguration Day 2025, could only be the product of “gender ideology extremism.” The U.S., his order stated, recognizes “two sexes, male and female. These sexes are not changeable and are grounded in fundamental and incontrovertible reality.” That’s a “biological truth,” he declared.
In his own version of this overconfident and factually insupportable conclusion, Kavanaugh wrote: “As all agree, females and males have inherent physical differences relevant to athletic performance.”
Science recognizes that some people are “born with sex traits that don’t fit into typical male or female patterns,” to cite a discussion on the Cleveland Clinic webpage on the topic “intersex.” The condition “may involve chromosomes, hormones, reproductive organs or genitals.”
From a psychological standpoint, medical science recognizes “gender dysphoria” as a real condition often requiring counseling and medical intervention such as the use of puberty blockers and hormones to stave off the development of secondary sex characteristics until the condition can be resolved.
No one disputes that there are physical differences between the sexes. Few would dispute that on average or even at the median, males may be bigger and more powerful than females, or that in certain contact sports the difference may be telling and on occasion dangerous.
But that’s not the same as asserting that the physical differences between males and females invariably mean that men will invariably prevail over women in all competitions or that their participation will endanger women.
The International Olympic Committee — in a policy statement Kavanaugh cited incompletely — says that in “most running and swimming events,” males have a 10% to 12% advantage over women. That’s a range that would accommodate the full spectrum of outcomes — transgender females win, cisfemales win, they tie. (The “cis” prefix denotes those living consistent with their birth gender.)
West Virginia and Idaho addressed this ambiguity by banning transgender women from all girls’ teams. So under their rules transgender girls can’t play football or soccer with cisgirls. But what’s the argument in favor of banning them from the 100-yard dash, or cross-country track, or diving, or archery?
But something else is going on here. The Supreme Court’s ruling was almost preordained, given the yearslong campaign by conservatives to demonize transgender individuals as if they’re members of an alien species.
It will be recalled that during his presidential campaign, Trump spun a despicable fantasy in which children were kidnapped in school and secretly subjected to sex-change operations.
Trump’s executive order wiped out policies aimed at protecting transgender adults from discrimination. He moved to outlaw gender-affirming medical therapies for anyone under 19 by cutting off federal funding for healthcare institutions that provide such care.
He banned transgender individuals from serving in the military and ordered federal prison officials to move transgender inmates into the general populations consistent with their birth genders, which exposes them to physical assault. (Federal Judge Royce Lamberth of Washington, D.C., has blocked the government from transferring three transgender women into the male prison population or terminating their hormone treatments.)
I wrote during Trump’s first term, when his anti-transgender policies were still gestating, that the goal was to show that “one can target any community, as long as it doesn’t have a strong political voice or political power. These are the actions of bullies and cowards, pretending to be strong.”
Last year, the Supreme Court struck its first blow against transgender rights by upholding a Tennessee law banning transgender care, including puberty blockers and hormone therapy, for minors. Similar laws have been enacted in 25 other states. The majority in that ruling by Chief Justice John G. Roberts Jr. was identical to the one in the June 30 ruling — Roberts, Kavanaugh, and Justices Clarence Thomas, Samuel A. Alito Jr., Neil M. Gorsuch and Amy Coney Barrett.
Who are the targets of this ideological campaign? They number only about 1.6 million U.S. adults, or one-half of 1% of the U.S. population. About 300,000 adolescents ages 13 to 17, or 1.4%, identify as transgender, according to a study by UCLA School of Law.
In West Virginia, as Justice Sonia Sotomayor observed in her dissenting opinion, “there was no record of any transgender person participating in school sports in the State, let alone any ‘problem’ with transgender students … creating unfair competition or unsafe conditions.”
In endorsing the flat bans directed at transgender women in Idaho and West Virginia, Kavanaugh argued that any attempt to implement case-by-case judgments of students’ requests to join sports teams inconsistent with their biological gender would create “an enormous practical and administrability problem.”
Is that so? That wasn’t the case in Maine, where the annual K-12 population is more than 170,000. There, a committee was charged with determining whether a student’s participation in a sport consistent with their gender identity but inconsistent with their biological sex would “result in an unfair athletic advantage” or present a risk of injury to others. The committee held 56 hearings from 2013 through 2021, or an average of seven per year. During the entire time span, only four involved transgender girls. (The outcome of those hearings couldn’t be learned.)
It was Maine’s policy, one might recall, that provoked a confrontation between Trump and Maine Gov. Janet Mills at the White House last year, when Trump threatened to withhold federal funding from the state unless it barred transgender students from competing on women’s sports teams. “We’ll see you in court,” Mills snapped.
Whether the Idaho and West Virginia laws genuinely protect girls from unfair competition is questionable. (The Idaho law is styled the “Fairness in Women’s Sports Act.”) In practice, the laws may subject women in public schools to “invasive sex verification procedures,” as educational expert George Theoharis of Syracuse University wrote after the court ruling.
They’re also based on a retrograde view of women as fragile creatures needing men’s protection, Theoharis wrote — “the same logic that has historically been used to justify excluding women from making their own healthcare decisions and girls from rigorous math and science; that physically demanding work is simply beyond them.” (There don’t appear to be any state laws barring transgender women from competing in men’s sports.)
Becky Pepper-Jackson, the plaintiff in the West Virginia case, in which she is identified only as B.P.J., is the only transgender girl who sought to join girl’s teams — track and cross-country — in the state. That was in 2021, just after West Virginia passed its law and she was about to enter sixth grade. She didn’t appear to pose any competitive risk to others on the track and cross-country teams she applied to join — her lawyers told the Supreme Court that on those no-cut teams, she “came in near the back.”
Anyway, she had not gone through male puberty, which theoretically might have endowed her with a competitive advantage, because she had been taking puberty blockers and female hormones.
Thanks to the court’s ruling, Sotomayor observed in a dissent joined by Justices Elena Kagan and Ketanji Brown Jackson, West Virginia can deny Becky access to school sports “because it thinks they have an inherent athletic advantage, even if the facts show that they do not.”
B.P.J., Sotomayor wrote, “cannot practice on girls’ teams, even if she would not take anyone’s spot in an eventual competition, even if everyone who tries out for the team makes it, and even if having the chance to participate could aid immensely in treating B.P.J.’s gender dysphoria.”
So whose interest was really protected by the Supreme Court?
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