MO HB1607

Removes the August 28, 2027 sunset date from Missouri's law requiring students to compete in athletics based on biological sex as stated on their birth certificate at or near the time of birth

Prohibits private schools, public school districts, charter schools, and postsecondary institutions from allowing students to compete in athletics designated for the opposite biological sex

Allows female students to compete in male-designated athletics if no corresponding female competition is offered

Schools violating the law lose all state aid under chapters 163 and 173, plus any other state revenues

Provides a private cause of action for students or parents deprived of athletic opportunities, including injunctive relief and recovery of attorney's fees and costs