 that prohibits sex-based discrimination in schools. Jackson has been taking puberty-blocking medication and publicly identified as a girl since she was in the third grade. Sports participation is one of the main fronts in legislative and legal battles in recent years over the role of transgender people in U.S. public life. Most Republican-controlled states have passed restrictions on participation, such as bans on gender-affirming health care for minors. Several have also restricted which bathrooms and locker rooms transgender people can use, particularly in schools.