When the secondary school with which an approved agricultural science and technology education center has been associated is to be replaced or relocated within a town or regional school district, the Commissioner of Education may require the relocation of the equipment and program in a building approximately equal to that serving as a center for agricultural science and technology education. Such new facilities shall be included in or adjacent to the high school which is to serve the needs of the agricultural science and technology education pupils and shall conform to requirements of the Commissioner of Education with respect to location, design and construction. Said town or regional school district may receive a grant for the construction of such replaced or relocated agricultural science and technology education center as provided in subsection (e) of section 10-286 for a secondary regional school district or subsection (f) of section 10-286, whichever may be appropriate. Upon final approval by the Commissioner of Education of the replacement or relocation of such agricultural science and technology education center the town or regional school district may use the facilities which had previously served as such center for such purposes as it determines advisable.