Miss. Code Ann. § 19-5-227: Miss. Code Ann. § 19-5-227

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 such appeal be taken within a period of fifteen (15) days from and after the date of the adoption of the resolution creating any such district, the creation of such district shall be final and conclusive and shall not thereafter be subject to attack in any court.