Mo. Rev. Stat. ch. 171 – School Operations | Midpage171.011School board may adopt rules and regulations171.021Schools receiving public moneys to display United States flag — requirement to recite Pledge of Allegiance once per school day — students not required to recite171.026Student programs on occupations and educational options, military forces may be represented171.027Four-day school week vote, exception for certain districts (Clinton and Lathrop)171.028Four-day school week, charter counties and certain cities — ballot language — filing calendar with department171.031Board to prepare calendar — minimum term — opening dates — exemptions171.033Make-up of hours lost or cancelled — exemption, when — waiver for schools, granted when — make-up hours not required for exceptional or emergency circumstances — half-day education programs171.034Provision of food services by school districts eligible to reduce make-up days171.051School holidays171.053Participation in sanctioned program activities, excused absences allowed — state aid, computation for such activities171.091Board may provide adult classes out of certain funds171.096Board may permit use of school facilities for adult education purposes171.097Background checks for certain adult students — prohibited from enrolling, when171.098Board may authorize sale of class projects to pupils at cost171.101Board may provide facilities and services for pupils living on federal lands171.121District may be closed and required to transport pupils — apportionment of state aid171.131Seventh and eighth grade pupils may be sent to another district — tuition, how paid171.141Fraternities and sororities may be barred — enforcement171.151Daily register required, contents of171.171Full credit to be given work completed in accredited schools171.181Preference given Missouri products in making purchase — certain seven-director school districts, board member selling to district prohibited, exceptions, penalty171.185Materials recovery and recycling facility prohibited, when (city of Chesterfield)171.410Program may be taught to first graders, purpose