The municipalities of Mississippi and the municipal separate school districts in Mississippi are hereby authorized and empowered to issue municipal bonds or municipal separate school district bonds to aid in procuring the establishment, location, and maintenance of agricultural high schools which have been or may hereafter be established. Such bonds shall be issued as provided by law. The proceeds of the sale of said bonds may be used for the purchase of lands, buildings or for erecting buildings, or in any way to aid in the establishment and maintenance of county agricultural high schools.