New Jersey Statutes Title 18A. Education 18A § 51-7

The commission shall assess against the participating school districts a sum which, together with any anticipated State aid and private donations, shall be required for the establishment and maintenance of the county educational audiovisual aids center during the first year and for the maintenance and operation of the same, during each year thereafter, which total annual assessment shall be apportioned among the participating school districts in the proportion which the resident enrollment of the pupils for the prebudget year of each such district shall bear to the total resident enrollment of the pupils for the prebudget year of all of the participating school districts as determined by the commissioner.