Mo. Rev. Stat. § 162.1055
School districts soliciting enrollment of a nonresident student, prohibited ...
162.1055. School districts soliciting enrollment of a nonresident student, prohibited — activities in schools to be determined by district. — No school district shall solicit the enrollment of a nonresident student. For the purpose of determining eligibility to participate in high school activities, the rules of any association governing such activities to which the district belongs shall govern.
(L. 1994 H.B. 1218 § 3 subsec. 2)