51. Every school committee shall have the following functions:(a) to stimulate by appropriate means participation by parents and the community generally in the improvement of educational services in the school;
(b) to study measures likely to promote more personal educational services in the school;
(c) to make to the administrators of the school any recommendation to ensure the best possible operation of the school;
(d) to study any subject on which the school board, the principal or the person in charge of the school, or the orientation committee consults or must consult it and, when so requested, to issue an opinion.