In case vacancies occur whereby the offices of a majority of the members of any board of school directors, other than the board of school directors of a school district of the first class or of the first class A becomes vacant, such vacancies shall be filled by the court of common pleas of the county in which such school district is situated from the qualified electors of the district. The persons selected to fill such vacancies shall hold their offices, if the terms thereof continue so long, until the first Monday in December after the first municipal election occurring more than sixty (60) days after the vacancy shall have occurred, at which election eligible persons shall be elected for the remainder of the respective unexpired term.
24 P.S. § 3-316