Mo. Rev. Stat. § 162.865
The board members of a special school district with a population of not more than one hundred thousand persons shall be elected at large. The seven receiving the largest number of votes shall be elected and the three receiving the highest number of votes cast shall be elected for terms of three years each; the two receiving the next highest number of votes cast shall be elected for terms of two years each; and the two receiving the next highest number of votes cast shall be elected for terms of one year each. That part of the year between the date of the election of board members and the municipal election day of the following year is considered a full year in the terms of the members elected. All board members shall serve until their successors are elected and qualified and the state board of education shall issue certificates of election to the board members elected.
§ 162.865, RSMo
Effective 5/24/1996