Mississippi Code Title 37. Education § 37-39-25

(1) The school boards which choose to act jointly as authorized by Section 37-39-23 shall adopt resolutions to that effect which shall be recorded on the minutes of the school boards and copies of which shall be filed with the clerk of the chancery court of the county in which such school districts are located.

(2) The school board may appoint a purchasing agent who shall be responsible, subject to the approval of the board, for all purchases of competitively priced services, materials and supplies. The purchasing agent shall be bonded in accordance with section 37-39-21. The purchasing agent shall serve all of the school districts acting jointly. There shall not be a separate purchasing agent for the separate districts which are acting jointly.

(3) The purchasing agent for the county school boards shall arrange for purchase, storage and distribution of supplies and materials purchased jointly. The costs involved in purchase, transportation, storage, administration and any other activity regarding joint purchases by the school boards shall be shared among the participating districts on a pro rata basis.