The appointment and removal of the general superintendent of schools, heads of general departments now in existence or hereafter established, the general counsel, and all assistant attorneys shall not be subject to the civil service law. The heads of general departments now in existence or hereafter established may be removed by a majority vote of the full membership of the board upon the recommendation of the general superintendent of schools or by a majority vote of the full membership of the board.
105 ILCS 5/34-13