Mo. Rev. Stat. § 178.300
Current with changes from the 2023 Legislative Session
Whenever in any school district in this state not less than twenty-five employment certificates for children under sixteen years of age have been issued and are in full force and effect, the school district shall establish and maintain part-time schools, departments or classes for the employed children for not less than four hours per week and for a term not less than that in which schools are regularly in session in the district.
§ 178.300, RSMo
RSMo 1959 § 162.200