(a) The board of trustees of the training school shall consist of seven members, who shall serve without compensation except for reimbursement for necessary expenses incurred in performing their duties. On the expiration of the term of each member, the Governor shall appoint a member for a term of four years. The board of trustees shall establish rules of procedure for the conduct of its business.

(b) The board of trustees shall recommend to the council such matters as it deems necessary, shall advise the director of the institution on general policies concerning the operation and administration of the institution and shall inspect such institution annually.