Mo. Rev. Stat. § 204.290: District a body corporate and politic, when.

1. When the board of trustees provided for in section 204.300 is appointed and organized, the district shall be considered in law and equity a body corporate and politic, known by the name specified in the original petition and the court's decree, and by that name and style may sue and be sued, contract and be contracted with, acquire and hold real estate and personal property necessary for corporate purposes, and adopt a common seal.

2. All courts in this state shall take judicial notice of the existence of any district organized under sections 204.250 to 204.470.