N.J. Stat. § 19:60-10
The county clerk shall cause samples of the official school election ballot to be printed in the same manner as prescribed for the printing of sample ballots for the general election by R.S. 19:14-21. In counties not having a superintendent of elections where the county board of elections does not have the equipment or facilities to address and mail sample ballot envelopes, the delivery of such sample ballots for mailing, issuance of a receipt for such delivery, and the mailing of sample ballots shall be effected in the same manner as prescribed for the sample ballot for the general election under subsection a. of R.S. 19:14-21; and in counties having a superintendent of elections and in other counties where the county board of elections may have such equipment or facilities, the delivery of ballots for mailing, issuance of a receipt for such delivery, and the mailing of sample ballots shall be effected in the same manner as prescribed for the sample ballot for the general election under subsection b. of R.S. 19:14-21, subject to the condition that the latest time at which the county clerk may furnish sample ballots for mailing shall be the eighth day preceding the school election.
N.J.S. § 19:60-10