A. The provisions of this section shall be applicable in any county (i) that has the county executive form of government and that is contiguous to a county having the urban county executive form of government and (ii) in which the chairman of the board of supervisors is elected at large.
B. Following a referendum in which the qualified voters of the county approve a change to an elected school board, the school board shall be elected as provided in § 22.1-57.3 except as otherwise provided in this section. One member of the school board shall be elected at large. All other members shall be elected from the same districts from which the members of the board of supervisors other than the chairman are elected. The member of the school board who is elected at large at the initial or any subsequent election shall be the chairman of the school board during his term of office notwithstanding the provisions of § 22.1-76.