N.J. Stat. § 18A:22-10
Upon the preparation of its budget, each board of education shall fix a date, place and time for the holding of a public hearing upon said budget and the amounts of money necessary to be appropriated for the use of the public schools for the ensuing school year and the various items and purposes for which the same are to be appropriated. Except as otherwise provided in this section, in districts having a board of school estimate, the hearing shall be held before the board of school estimate between March 22 and March 29; and in districts having no board of school estimate and Type II districts with a board of school estimate, in which the annual school election is in April, the hearing shall be held before the board of education between March 22 and March 29. In the case of a school district with an annual school election in November, the hearing shall be held before the board of education between April 24 and May 7.
N.J.S. § 18A:22-10