(a) Subject to the approval of the Governor, to elect a president, principal, or superintendent, of the institution, who shall, subject to the authority of the board, administer the institution, and, if deemed advisable, a business manager.

(b) On nomination by the president, principal, or superintendent, from time to time, to appoint such officers and employes as may be necessary;

(c) To fix the salaries of its employes in conformity with the standards established by the Executive Board;

(c.1) To authorize the superintendent or business manager of the institution to purchase instructional materials, education, technical, administrative, custodial and maintenance equipment and supplies not in excess of a cost of one thousand five hundred dollars ($1,500) without competitive bidding with the approval of the board of trustees, after notice to the Secretary of General Services, except that such items shall not be bought in series to avoid the dollar ceiling, nor shall any items be included for which the Department of General Services has contracts, either through schedules or group purchase contracts, current or proposed;

(d) Subject to the approval of the Secretary of Education, to make such by-laws, rules and regulations for the management of the institution as it may deem advisable.