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HB 1123

Relating to interscholastic athletic competition based on biological sex, requirements for physical examinations and genetic testing in interscholastic athletics, and the adoption of rules by the University Interscholastic League to implement these requirements.

89th Legislature (2025) Introduced by Carrie Isaac and 2 co-sponsors

Texas bill requiring interscholastic athletes compete by biological sex with mandatory physical exams and genetic testing to determine eligibility.

Referred to Public Education
#education--primary&secondary--extracurricularactivities(i0247) #genderidentity&expression(s0767) #universityinterscholasticleague(s0337)
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Bill Summary · HB 1123

Legislative bill overview

HB 1123 would require interscholastic athletic competition in Texas to be organized by biological sex and would mandate physical examinations and genetic testing for athletes. The bill directs the University Interscholastic League (UIL) to adopt rules implementing these requirements for public school sports competitions.

Why is this important

This legislation would fundamentally reshape how Texas organizes high school athletics by establishing biological sex-based eligibility criteria with medical verification mechanisms. The bill addresses ongoing national debates about fairness in sports competition, particularly regarding transgender athlete participation, which has become increasingly contentious in state legislatures.

Potential points of contention

  • Transgender athlete eligibility: The bill's core purpose appears to restrict transgender athletes from competing in categories aligned with their gender identity, which civil rights advocates argue discriminates against a vulnerable student population while supporters claim it protects competitive fairness
  • Genetic testing requirements: Mandatory genetic testing raises privacy concerns, medical ethics questions about testing minors, and practical issues around conditions that don't neatly fit binary sex categories (intersex conditions, chromosomal variations)
  • Implementation costs and liability: Schools would face expenses for medical personnel, testing infrastructure, and potential legal challenges; unclear who bears costs and how UIL enforcement occurs
  • Medical autonomy concerns: Requiring exams and genetic testing for sports participation may exceed typical school medical authority and could create precedents for expanded medical surveillance in education

Compiled from official sources — confirm details with the bill’s official record.

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