N.J. Stat. § 18A:6-8.2
Any person employed by a public educational system or institution in a position which requires a certificate issued by the state board of examiners or employed in a professional educational capacity by a school, college, or university which is either tax-supported or operated under contract with the state or on behalf of the state, who is a member of the board of chosen freeholders of any county of this state shall be entitled to time off from his duties as such employee, without pay, during the periods of his attendance at regular or special meetings of the board and of any committee thereof and at such other times as he shall be engaged in performing the necessary functions and duties of his office as a member of the board.
N.J.S. § 18A:6-8.2