Miss. Code Ann. § 37-27-39

The boards of trustees of any agricultural high school in the state, with the approval of the board of supervisors and the county board of education, are hereby authorized and empowered to exchange the lands belonging to said schools, except the lands on which the school buildings are located, for other lands. The deed or deeds of conveyance shall be executed by the president or chairman and the secretary of the board of trustees pursuant to an order of the board of trustees entered on its minutes, and pursuant to an order of approval by the board of supervisors and county board of education entered on their minutes, and which, when so executed, shall be fully effective to convey title to said property. The orders of the respective boards shall fully describe the property to be conveyed by said school and also, the property to be received in exchange for same.