N.J. Stat. § 18A:46-3
When the results of a survey of children with disabilities in any county, in the opinion of the commissioner warrants it, the commissioner shall, with the approval of the State board, establish a department of child study which shall be charged with the duty of performing the services required to be performed at the county level under this chapter. The commissioner shall appoint for each county department of child study or, with the approval of the State board, for one or more county departments of child study, a supervisor, whose duties shall include the coordination of the special education services in the county, and such additional personnel, constituting a child study team as the commissioner deems necessary to perform such services for children with disabilities.
In addition to the supervisor of child study, the members of each child study team shall include personnel qualified to administer, supervise, or otherwise perform the special education services required under this chapter.
The county superintendent of the county, or the county superintendents of the counties served by one child study team jointly, shall, with the approval of the commissioner, designate a member of the child study team to serve as chair. In the event that the superintendents cannot agree, the chair shall be designated by the commissioner.
N.J.S. § 18A:46-3