Missouri HB1354

In every public school setting in which a student may be in a state of undress in the presence of other students, school personnel shall provide separate, distinct areas designated for use by students based on such students' biological sex to ensure the personal privacy and safety of students.

Every public school shower room, locker room, and restroom designated for student use and that is accessible by multiple students at the same time shall be designated for and used only by students of the same biological sex.

"Biological sex", the physical condition of being male or female, identified at birth by a person's anatomy and indicated on such person's birth certificate;