Mo. Rev. Stat. § 174.090
Current with changes from the 2023 Legislative Session
A majority of the members of the board shall constitute a quorum for the transaction of business, but no appropriation of money nor any contract which shall require any appropriation or disbursement of money, shall be made, nor teacher employed or dismissed, unless a majority of all the members of the board vote for the same.
§ 174.090, RSMo
RSMo 1939 § 10758