The members of the State Board of Education shall be citizens of the United States and residents of the State of Illinois and shall be selected as far as may be practicable on the basis of their knowledge of, or interest and experience in, problems of public education. No member of the State Board of Education shall benefit from funds provided by the State Board of Education to an institution of higher learning, public or private, within Illinois, nor shall members be school trustees of a public or nonpublic college, university or technical institution within Illinois. No member shall be appointed to more than 2 4-year terms. Members shall be reimbursed for all ordinary and necessary expenses incurred in performing their duties as members of the Board. Expenses shall be approved by the Board and be consistent with the laws, policies, and requirements of the State of Illinois regarding such expenditures, plus any member may include in his or her claim for expenses $50 per day for meeting days.