N.J. Stat. § 18A:6-7
Every person who is a citizen of the United States, and who is employed as a professor, instructor, teacher or in any teaching capacity by or in any school, college, state college, university or other educational institution in this state which is supported in whole or in part by public funds, directly or through contract or otherwise with or on behalf of the state shall, before entering into the discharge of his duties, take and subscribe to the oath of allegiance and office prescribed in section 41:1-3 of the Revised Statutes, and any person who is a citizen or subject of any other country and who is so employed, shall, likewise, take and subscribe to an oath to support the constitution of the United States while so employed, a copy of which oath shall be filed with his said employer.
N.J.S. § 18A:6-7