N.J. Stat. Ann. § 18A:61-3

Deaf persons of suitable age and capacity for instruction, who are legal residents of this state and not over 21 years of age, shall be entitled to the privileges of the school for the time, not exceeding 14 years, the state board shall determine, unless more persons apply for admission at one time than be properly accommodated, in which case the board shall so apportion the number received that each county is represented therein in the ratio of its deaf population to the total deaf population of the state.