The 10 Largest High Schools in New Jersey

These massive schools have enrollments bigger than some New Jersey towns

Feb. 21, 2026 at 3:52am

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A new report highlights the 10 biggest high schools in New Jersey, with enrollments ranging from over 2,600 to nearly 3,700 students. The list includes schools like Passaic County Technical Institute, Clifton High School, and Union City High School, which is known for having an athletic field located on the school's roof.

Why it matters

The sheer size of these high schools underscores the growing student populations in parts of New Jersey, which can create challenges around resources, facilities, and student support. However, these large schools also offer diverse academic and extracurricular opportunities that smaller schools may struggle to provide.

The details

The 10 largest high schools in New Jersey, based on the most recent enrollment data, are: 1) Passaic County Technical Institute (3,660 students), 2) Clifton High School (3,150 students), 3) Union City High School (3,089 students), 4) Vineland High School (2,790 students), 5) South Brunswick High School (2,728 students), 6) Bridgewater-Raritan High School (2,700 students), 7) John P. Stevens High School (2,687 students), 8) Perth Amboy High School (2,685 students), 9) Old Bridge High School (2,637 students), and 10) Monroe Township High School (2,626 students).

  • The enrollment figures are based on the most recent data available, via Wikipedia.

The players

Passaic County Technical Institute

A technical school that serves all students in Passaic County, New Jersey with an enrollment of 3,660 students.

Clifton High School

The largest high school in New Jersey by enrollment, with 3,150 students on a single campus.

Union City High School

A high school in Union City, New Jersey with 3,089 students, known for having an athletic field located on the school's roof.

Vineland High School

A high school in Vineland, New Jersey with 2,790 students, which counts Kansas City Chiefs running back Isaac Pacheco as a 2018 graduate.

South Brunswick High School

A high school in South Brunswick, New Jersey with 2,728 students.

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The takeaway

The sheer size of these New Jersey high schools, with enrollments topping 3,600 students, highlights the growing student populations in parts of the state and the challenges that can come with managing such large school communities. However, these mega-high schools also offer diverse academic and extracurricular opportunities that smaller schools may struggle to provide.