North Plainfield High School, fully certified by the New Jersey State Department of Education and accredited by the Middle States Association, offers a comprehensive Program of Studies to its current 7-12 enrollment of 1,506 students. Seventy percent (70%) of the class of 2010 entered college or other post-secondary education, twenty-five percent (25%) sought employment, and five percent (5%)pursued other options. The array of classes at Advanced Placement, 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 and courses offered through a Tech-Prep partnership developed with Raritan Valley Community College. A state-of-the-art Computer Assisted Drafting Lab, networked computer lab, and a comprehensive physical education facility opened in 1990-1991.

Somerset School houses the fifth and sixth grade students. Its program, incorporating interdisciplinary approaches to instruction, encompasses a comprehensive curriculum. Team planning and team teaching are utilized to help build a sense of community and self-respect while preparing for high school study.

Three elementary buildings, East End, West End, and Stony Brook, provide Pre K-4 pupils with neighborhood elementary education and modern playground facilities. The University of Chicago mathematics program, a balanced literature based phonics approach to language arts skills, portfolio assessment on the kindergarten and first grade levels, and multi-cultural awareness characterize the current curricular thrust.

The district Central Office is located at Watchung School. The Department of Pupil Services is located at Harrison School and the elementary Gifted and Talented classes are based in Somerset School.