Mo. Rev. Stat. § 160.2500
6.
(1) To ensure that the school district does not discriminate against a student's publicly stated voluntary expression of a religious viewpoint, if any, and to eliminate any actual or perceived affirmative school sponsorship or attribution to the district of a student's expression of a religious viewpoint, if any, a school district shall adopt a policy, which shall include the establishment of a limited public forum for student speakers at all school events at which a student is to publicly speak. The policy regarding the limited public forum shall also require the school district to:
7. The provisions of this section shall not be construed to authorize this state or any of its political subdivisions to either:
8. The provisions of this section shall not be construed to limit the authority of any public school to do any of the following:
(L. 2014 H.B. 1303)