N.J. Stat. § 18A:42-4
No literature which in any manner and in any part thereof promotes, favors or opposes the candidacy of any candidate for election at any annual school election, or the adoption of any bond issue, proposal, or any public question submitted at any general, municipal or school election shall be given to any public school pupil in any public school building or on the grounds thereof for the purpose of having such pupil take the same to his home or distribute it to any person outside of said building or grounds, nor shall any pupil be requested or directed by any official or employee of the public schools to engage in any activity which tends to promote, favor or oppose any such candidacy, bond issue, proposal, or public question. The board of education of each school district shall prescribe necessary rules to carry out the purposes of this section.
N.J.S. § 18A:42-4