Mo. Rev. Stat. § 162.261
The government and control of a seven-director school district, other than an urban district, is vested in a board of education of seven members, who hold their office for three years, except as provided in section 162.241, and until their successors are duly elected and qualified. Any vacancy occurring in the board shall be filled by the remaining members of the board; except that if there are more than two vacancies at any one time, the county commission upon receiving written notice of the vacancies shall fill the vacancies by appointment. The person appointed shall hold office until the next municipal election, when a director shall be elected for the unexpired term.
(L. 1963 p. 200 § 3-26, A.L. 1973 H.B. 158, A.L. 1978 H.B. 971, A.L. 1979 H.B. 280)
(Source: RSMo 1959 § 165.317)
CROSS REFERENCE:
Transportation of students, state aid, RSMo 163.161