In each school district of the second, third and fourth class, the school directors shall effect a permanent organization by electing, during the first week of December, from their members, a president and vice-president, each to serve for one year, and shall annually, during the month of May, elect a treasurer to serve for one year, beginning the first day of July following such election, and shall, during the month of May, one thousand nine hundred and fifty-three, and every four years thereafter, elect a secretary for a term of four years, beginning the first day of July following such election. The treasurer may be any corporation duly qualified and legally authorized to transact a fiduciary business in the Commonwealth. Vacancies in the office of secretary shall be filled for the unexpired term. In school districts of the second class the secretary and treasurer shall not be members of the board. In districts of the third and fourth class they may be members of the board. The same person shall not hold at the same time more than one of the offices of president, vice-president, secretary or treasurer of any board of school directors.

No superintendent, assistant superintendent, supervising principal, or teacher shall serve, either temporarily or permanently, as an officer of the school board by which he is employed.