The Alabama Institute for Deaf and Blind shall be managed and controlled by a board of trustees which shall consist of the Governor, the State Superintendent of Education, and 13 other persons who shall be appointed by the Governor and confirmed by the Senate at the time of the appointment or at the next meeting of the Legislature following the appointment. If any appointment by the Governor is rejected by the Senate, the Governor shall again appoint until the full number of appointments at such time is complete. In case of a vacancy on the board by death or resignation of a member or from any cause other than the expiration of the term of office, the Governor may fill the vacancy by appointment, which shall be good until the next meeting of the Legislature and until a successor is duly appointed and confirmed. The appointive members of the board shall consist of four members from the congressional district in which the school is located, one from each of the other congressional districts in the state as they now or may hereafter exist and as many other members as is necessary to complete the total membership of the board, who shall be appointed from the state at large. The at-large members shall be individuals who have formerly attended the institute. Three of the members from the congressional district in which the institute is located shall be appointed from Talladega County. The other member from the congressional district in which the institute is located shall be from any of the counties in the congressional district, other than Talladega County. The members of the board shall be divided into three classes. The members from the First and Second Congressional Districts, one at-large member, and one of the members from the district where the school is located shall compose the first class. The members from the Fourth and Fifth Congressional Districts, one at-large member, and one of the members from the district where the school is located shall compose the second class. The members from the Sixth and Seventh Congressional Districts, one at-large member, and one of the members from the district where the school is located shall compose the third class. The members of the three classes described in this section shall commence their terms of office when the terms of office of their predecessors in the three classes expire or the respective offices become vacant. The term of office of the member added by Act 95-501 shall commence upon appointment by the Governor and confirmation by the Senate. The appointive members of the board shall hold office for a term of six years and until their successors are appointed and qualified.