The array of classes at Advanced Placement (AP), high ability, college preparatory, and general levels includes opportunities for independent study, a shared-time vocational program with Somerset County Vocational and Technical High School, courses in conjunction with Satellite Education Resource Consortium, and courses offered through a Tech-Prep partnership developed with Raritan Valley Community College.

The North Plainfield High School Canucks[2] have competed since 2005 in the Raritan Division of the Skyland Conference, which is comprised of public and private high schools in Hunterdon, Somerset and Warren counties, and operates under the supervision of the New Jersey State Interscholastic Athletic Association (NJSIAA).

[12] The football team competes in Division 2A of the Big Central Football Conference, which includes 60 public and private high schools in Hunterdon, Middlesex, Somerset, Union and Warren counties, which are broken down into 10 divisions by size and location.

[16] North Plainfield's football team won the 2008 Skyland Conference Raritan Division championship.

The North Plainfield Canucks played the #8 seed Carteret High School Ramblers, losing by a score of 27-21.

[19] In 2010, the boys' soccer team won the Central Jersey Group II title after defeating Delaware Valley Regional High School 2-1.