Mo. Rev. Stat. § 163.018
1.
(1) Notwithstanding the definition of average daily attendance in subdivision (2) of section 163.011 to the contrary, pupils between the ages of three and five who are eligible for free and reduced price lunch and attend an early childhood education program:
(b) That is under contract with a district or charter school that has declared itself as a local educational agency and that meets standards established by the state board of education;
shall be included in the district's or charter school's calculation of average daily attendance. The total number of such pupils included in the district's or charter school's calculation of average daily attendance shall not exceed four percent of the total number of pupils who are eligible for free and reduced price lunch between the ages of five and eighteen who are included in the district's or charter school's calculation of average daily attendance.
2. In establishing standards for any early childhood education program that is under contract with a district or charter school that has declared itself as a local educational agency, the state board of education shall consider:
(6) Any other factor that the state board of education determines to be significant in ensuring that children achieve high levels of kindergarten readiness.
The state board of education shall require that staff members of any early childhood education program that is under contract with a district or charter school that has declared itself as a local educational agency undergo background checks as described in section 168.133.
(L. 2014 H.B. 1689, A.L. 2016 S.B. 586 & 651, A.L. 2018 H.B. 1606 merged with S.B. 743, A.L. 2019 H.B. 604)