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Best New Jersey Private High Schools Belonging to National Association of Independent Schools (NAIS) (2025-26)

For the 2025-26 school year, there are 46 private high schools belonging to National Association of Independent Schools (NAIS) serving 18,274 students in New Jersey. You can also find more schools membership associations in New Jersey.

The private high schools belonging to National Association of Independent Schools (NAIS) in New Jersey include Newark Academy, The Lawrenceville School, and Delbarton School.

The average tuition cost is $36,522, which is higher than the New Jersey private high school average tuition cost of $22,975.

39% of private high schools belonging to National Association of Independent Schools (NAIS) in New Jersey are religiously affiliated (most commonly Catholic and Jewish).

Oak Knoll School Of The Holy Child Photo

The Wardlaw+Hartridge School Photo - Excellence in Fine Arts!

Ranney School Photo - Ranney School, NJ, established 1960

Stuart Country Day School Photo - The front of Stuart Country Day School of the Sacred Heart in Princeton, NJ.

Rutgers Preparatory School Photo - Whether on Campus or visiting Grounds for Sculpture, Rutgers Prep's location in Somerset, NJ means that nature, the Arts, multi-cultural events, and historic treasures impact student instruction every day.

Gill St. Bernard's School Photo - With a strong focus on character and social-emotional development, GSB students are well prepared for college and a meaningful life.

Delbarton School Photo - The Class of 2024

The Community School Inc. Photo - Community High School

Craig School, High School Photo - The Orton-Gillingham Approach is an instructional approach intended primarily for use with individuals who have difficulty with reading, spelling, and writing of the sort associated with dyslexia. It is most properly understood and practiced as an approach, not a method, program, system or technique.

The Pennington School Photo - Founded in 1838, The Pennington School is an independent, coeducational school serving day and boarding students in grades 6 through 12.

Peddie School Photo - Peddie is an independent, coeducational, college-preparatory school for students in grades 9 through post-graduate.

Saddle River Day School Photo - The iconic Main Hall houses the Lower School and Administrative Offices including the Head of School. Lower School classrooms include a state of the art Science lab, library and art studio.

Doane Academy Photo - AN EDUCATION FOR LIFE- Our beautiful, historic campus rests on the banks of the Delaware River and offers students a unique environment for rigorous academics, extra-curricular opportunities, and student life enriched by traditions that have developed over more than 180 years. Our classrooms are exciting learning environments, where students from preschool to Grade 12th are challenged, and encouraged.

Voyagers' Community School Photo - Our toddlers and preschoolers combined efforts to create their Amazing Stew. This is an ongoing project that began in our mud kitchen and continues in our classroom, kitchen and community room. Children are exploring concepts in math, reading and writing while building social skills.

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