Mississippi Code Title 45. Public Safety and Good Order § 45-11-43

The county superintendent of education in each county shall furnish plans and specifications for the fire escape facilities for each school building constructed, a copy of which shall be furnished the trustees of the district in which the new building is being constructed and a copy shall be placed on file in the office of the county superintendent of education. When the building is completed the trustees shall notify the county superintendent, who shall make a personal inspection of the new building and if the plans and specifications have been complied with he shall so report to the trustees and such notification and approval shall be made of record in his office. The school building shall not be opened for the reception of pupils until the county superintendent has approved the fire escape facilities.