Mississippi Code Title 37. Education § 37-7-703

In all such special municipal separate school districts which embrace the entire county in which, according to the latest available federal census, a majority of the inhabitants of the county reside within the corporate limits of the municipality, the board of trustees of such special municipal separate school district shall be chosen and selected in the manner provided by subsection (1) of Section 37-7-203, and all of the provisions thereof shall be fully applicable in all respects to the selection and constitution of such board of trustees.