N.J. Stat. § 18A:28-17
Whenever the local board of education of any school district in this State shall undertake the operation of any school previously operated by an Educational Services Commission, a Jointure Commission, the Commissioner of Education, the State Board of Education, the board of trustees of any State college, or any officer, board or commission under his, its or their authority, all accumulated sick leave, tenure and pension rights of all teaching staff members in said school, shall be recognized and preserved by the board assuming operational control of the school, and any periods of prior employment, by said Educational Services Commission, Jointure Commission, Commissioner of Education, State Board of Education or board of trustees of any State college, or any officer, board or commission under his, its or their authority, shall count toward the acquisition of tenure to the same extent as if all of such employment had been in such school district.
N.J.S. § 18A:28-17