N.J. Stat. § 18A:6-7a
When a complaint made against a school employee alleging child abuse or neglect is investigated by the Department of Children and Families, the department shall notify the school district and the employee of its findings. Upon receipt of a finding by the department that such a complaint is unfounded, the school district shall remove any references to the complaint and investigation by the department from the employee's personnel records. A complaint made against a school employee that has been classified as unfounded by the department shall not be used against the employee for any purpose relating to employment, including but not limited to, discipline, salary, promotion, transfer, demotion, retention or continuance of employment, termination of employment or any right or privilege relating to employment.
N.J.S. § 18A:6-7a