Mo. Rev. Stat. § 168.201: Superintendent of schools and other employees — employment of by all districts except metropolitan authorized.

The board of education in all districts except metropolitan districts may employ and contract with a superintendent for a term not to exceed three years from the time of making the contract, and may employ such other servants and agents as it deems necessary, and prescribe their powers, duties, compensation and term of office or employment which shall not exceed three years. It shall provide and keep a corporate seal.