The U.S. Supreme Court this week issued a ruling that upholds state laws barring transgender girls and women from competing on school athletic teams, a decision Arizona lawmakers described as validation for policies like the Protect Girls’ Sports in Arizona Act, HCR 2003. In its opinion in West Virginia v. B.P.J. and Little v. Hecox, the Court wrote that "the States argue — and the Court agrees — that the interests of safety and competitive fairness are important interests for purposes of equal protection analysis," and it held that "schools may determine eligibility for women’s and girls’ sports based on biological sex." The majority opinion also emphasized that Title IX’s regulations require "equal athletic opportunity for members of both sexes." Supporters in Phoenix received the decision as confirmation that states may set eligibility rules along biological lines, while opponents warned of harms the measure could bring to transgender youth and schools.
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Guest shown during live news coverage after the U.S. Supreme Court upheld state bans on transgender athletes — a ruling that affects Arizona’s HCR 2003.
Arizona Senate President Warren Petersen, who helped lead the Legislature’s involvement in the national litigation, called the ruling "a win for common sense and, more importantly, a win for girls." Petersen and Arizona House Speaker Steve Montenegro filed an amicus brief urging the high court to uphold West Virginia’s and Idaho’s Save Women’s Sports Acts, and Petersen traveled to Washington for oral arguments alongside West Virginia Attorney General JB McCuskey and Idaho Attorney General Raúl Labrador. "Every young woman deserves the opportunity to compete on a level playing field and earn a roster spot, a championship, a record or a scholarship based on her hard work," Petersen said, adding that "Girls shouldn’t have to lose those opportunities because adults are afraid to acknowledge biological reality. That’s not fairness, and it’s not what Title IX was created to do."
The Court’s decision comes as Arizona lawmakers have moved HCR 2003 forward through the Legislature. The referral, titled the Protect Girls’ Sports in Arizona Act, would require K‑12 schools and athletic associations to designate teams as male, female or coeducational based on the biological sex listed on original birth certificates. Under the proposal, teams designated for females would be closed to biological males. The Arizona House approved the measure 32–25 on Feb. 23, and the Senate approved it on June 12; with legislative approval complete, the measure will appear on the November general election ballot for voters to decide. If adopted by voters, its provisions — including privacy rules — would take effect Jan. 1, 2027.
Rep. Selina Bliss, the bill’s sponsor, said the referral is intended to provide clarity after federal court rulings created uncertainty for schools. "Today the House acted to protect fair competition for girls across Arizona," Bliss said in February. "Women’s sports were created because biological differences matter. When those differences are ignored, girls lose roster spots, scholarships and opportunities they earned. HCR 2003 gives voters the chance to protect female athletes and establish clear, durable rules for schools." The measure would allow athletes to take part on teams aligned with their biological sex or on coeducational teams, and it includes provisions that would prohibit accrediting bodies or athletic associations from punishing schools that maintain female‑only teams.
HCR 2003 would also create a private cause of action for athletes who lose opportunities or suffer harm due to alleged violations of the measure, according to legislative language. The referral contains protections for whistleblowers from retaliation and applies to public and qualifying private K‑12 schools. In addition to the rules governing team designation, the proposal includes privacy provisions barring schools from allowing students to use restrooms, locker rooms or showers not aligned with their biological sex listed on original birth certificates.
The question of who should defend Arizona’s existing Save Women’s Sports Act in court has exposed divisions within state government. When the 2022 law was challenged in Doe v. Petersen, Arizona Attorney General Kris Mayes declined to represent the statute; Senate President Petersen intervened on the Legislature’s behalf, and Superintendent of Public Instruction Tom Horne continued a separate defense. Horne said he has spent "education money" to continue defending the law after the attorney general refused to represent him. "The newspapers are full of stories about girls who worked really hard hoping to make the team or maybe even get a college scholarship," Horne said. "And then they come against a biological male who was born with better muscles and better all kinds of physical strength. And they’re devastated. It’s a terrible blow to them. And it’s not fair. It’s completely unfair."
Horne framed the issue as central to the purpose of Title IX, saying that allowing biological males to compete on girls’ teams undermines the law’s aim of ensuring girls the same opportunities to play and excel. "It’s contrary to Title IX, which was supposed to make it so girls could participate in sports and excel in sports just the same as boys," he said, and cited expert testimony in saying biological males have advantages "even prior to puberty." He also criticized the attorney general’s decision not to represent him in litigation, saying, "The attorney general should have represented me. That was her duty. She refused to do it."
Empty high school track and field used in reporting on the Supreme Court decision upholding laws that bar transgender girls from competing on school girls’ teams.
Statistics cited by state and national organizations figure in the debate over frequency and impact. Arizona Interscholastic Association records show that of roughly 170,000 high school athletes statewide, the organization received approximately 16 requests from transgender students to participate between 2017 and 2022. Nationally, NCAA leadership has said that out of more than 500,000 college student‑athletes, fewer than 10 transgender athletes are participating in NCAA sports. Opponents of the measure, including faith leaders, parents and advocacy groups, have argued that adopting the ballot referral could lead to harassment, exploitation and bullying of transgender youths and distract attention from broader problems in the state’s education system.
On June 22, eight days before the Supreme Court’s decision, a coalition of Valley ministers and the advocacy organization Progress Arizona filed a lawsuit seeking to block HCR 2003. The suit contends the referral would harm transgender youth, invite invasive "gender checks" and undermine local control over schools. Alison Marciniak, executive director of Progress Arizona, said, "Every kid deserves the chance to learn, play and belong, no matter their race, gender or where they come from." The litigation and the high court ruling together set the stage for continued legal and public debate as Arizona voters prepare to weigh the referral in November.
Supporters said the Supreme Court decision gives Arizona and other states important legal clarity to continue defending what they describe as the integrity of women’s athletics. Petersen said the state has been a leader on the issue and that the ruling affirms the ability of states to protect opportunities women have fought to secure. With HCR 2003 approved by the Legislature and placed on the ballot, Arizonans will have the final say in the upcoming general election on whether the state will enshrine those rules into law beginning in 2027.
Following the Supreme Court ruling, Arizona Superintendent Tom Horne and other officials are pushing to revive the state's blocked 2022 Save Women's Sports Act by seeking to dissolve the court injunction, arguing it now has stronger legal footing on Title IX and biological differences. Advocates opposing the measures say Arizona's cases rest on distinct arguments and intend to continue litigation. (@AZHouseGOP, Fox Carolina)
The Supreme Court announced its consolidated decisions in West Virginia v. B.P.J. and Little v. Hecox on June 30, 2026, with Justice Brett Kavanaugh writing the principal opinion and the Court issuing a 6–3 ruling on the constitutional questions while reversing the lower‑court judgments that had blocked the West Virginia and Idaho laws.
Chief Justice John Roberts and Justices Clarence Thomas, Samuel Alito, Neil Gorsuch and Amy Coney Barrett joined the majority opinion; Justice Sonia Sotomayor filed an opinion concurring in part and dissenting in part joined by Justices Elena Kagan and Ketanji Brown Jackson, and separate concurrences were filed by Justices Thomas and Gorsuch.
The Court stressed that its ruling was limited to the context of school athletics — it removed a statutory and constitutional obstacle to state bans on transgender girls in women’s and girls’ sports but did not impose a nationwide rule requiring schools to adopt exclusionary policies.