Persons possessing the status of any of the following positions shall not be eligible to be a member of a regional committee: The superintendent of public instruction, a member of the state board of education, an educational service district superintendent, a member of a board of directors of a school district, a member of an educational service district board, a member of a governing board of either a private school or a private school district which conducts any grades kindergarten through twelve, officers appointed by any such governing board, and employees of a school district, an educational service district, the office of the superintendent of public instruction, a private school, or a private school district.