Miss. Code Ann. § 49-28-13

Any party having an interest in the subject matter and aggrieved or prejudiced by the findings and adjudication of the board of supervisors may appeal to the circuit court of the county in the manner provided by law for appeals from orders of the board of supervisors. However, if no appeal is taken within fifteen (15) days after the date of the adoption of the resolution creating the district, the creation of the district shall be final and shall not be subject to attack in any court after that time.