(1) The governing body of a school shall designate each group restroom and locker room within each school building as either for by females or for use by males.12 (2) Except as provided in subsections (3) and (4) of this section, governing body of a school shall not: (a) Allow a male to use a restroom facility designated for use by ales; (b) Allow a female to use a restroom facility designated for use by es; (c) Allow a male to enter or use a locker room designated for and being used at such time by one or more females; or (d) Allow a female to enter or use a locker room designated for and being used at such time by one or more males.