Best private high schools in New Jersey

Written by:
April 21, 2023
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Best private high schools in New Jersey

Private schools, in some form, existed long before the concept of free public education in America. Students were often educated through church-sponsored programs, private tutoring, and boarding schools. Public schools on a large scale were proposed by Horace Mann in the 1830s. The concept gained momentum, and by 1870, nearly 80% of kids aged 5 to 14 were enrolled in public schools. Today, according to the most recent enrollment data, about 4.7 million students—or 10% of students enrolled in kindergarten through grade 12—are enrolled in private schools.

Private schools are widely marketed as a better option when compared to public schools, and private school proponents will often point to standardized test scores to substantiate this claim. While private school students have consistently outperformed public school students on standardized tests, recent studies have shown private schools themselves are not the primary driver of success, nor are standardized tests the most accurate measure of student well-being.

Researchers have found that student success is more directly related to family attributes, like having parents who graduated from college, and higher incomes—more common amongst private school students than public school students—than simply whether the students attended a public or private school.

Still, private schools provide unique advantages and opportunities like smaller class sizes, more individualized instruction, and greater curricular flexibility. To better understand how private school offerings vary across the country, Stacker compiled a list of the best private high schools in New Jersey using 2023 rankings from Niche. Niche uses eight weighted factors for its rankings. A majority of the score is based on academics and grades, but other factors include culture and diversity, health and safety, clubs and activities, resources, and surveys of parents, teachers and students.

Editor's note: The original article had inaccuracies when multiple schools in New Jersey had the same name. In most of these instances, the wrong data was displayed in the ranking. Stacker sincerely apologizes for the errors.

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#30. The Hudson School

- District: Hoboken
- Enrollment: 196 (5:1 student to teacher ratio)
- Niche grade: A+

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#29. Seton Hall Preparatory School

- District: West Orange
- Enrollment: 961 (11:1 student to teacher ratio)
- Niche grade: A+

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#28. Bergen Catholic High School

- District: Oradell
- Enrollment: 754 (15:1 student to teacher ratio)
- Niche grade: A+

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#27. Gill St. Bernard's School

- District: Gladstone
- Enrollment: 605 (6:1 student to teacher ratio)
- Niche grade: A+

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#26. Saddle River Day School

- District: Saddle River
- Enrollment: 424 (8:1 student to teacher ratio)
- Niche grade: A+

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#25. Oak Knoll School of the Holy Child - Upper School

- District: Summit
- Enrollment: 326 (6:1 student to teacher ratio)
- Niche grade: A+

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#24. Mount Saint Mary Academy

- District: Watchung
- Enrollment: 266 (8:1 student to teacher ratio)
- Niche grade: A+

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#23. Primoris Academy

- District: Westwood
- Enrollment: 95 (3:1 student to teacher ratio)
- Niche grade: A+

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#22. Moorestown Friends School

- District: Moorestown
- Enrollment: 634 (8:1 student to teacher ratio)
- Niche grade: A+

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#21. Pioneer Academy

- District: Wayne
- Enrollment: 395 (8:1 student to teacher ratio)
- Niche grade: A+

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#20. Morristown-Beard School

- District: Morristown
- Enrollment: 546 (7:1 student to teacher ratio)
- Niche grade: A+

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#19. Ranney School

- District: Tinton Falls
- Enrollment: 736 (7:1 student to teacher ratio)
- Niche grade: A+

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#18. Golda Och Academy

- District: West Orange
- Enrollment: 420 (5:1 student to teacher ratio)
- Niche grade: A+

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#17. The Hun School of Princeton

- District: Princeton
- Enrollment: 665 (5:1 student to teacher ratio)
- Niche grade: A+

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#16. The Wilberforce School

- District: Princeton
- Enrollment: 343 (8:1 student to teacher ratio)
- Niche grade: A+

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#15. The Pennington School

- District: Pennington
- Enrollment: 534 (5:1 student to teacher ratio)
- Niche grade: A+

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#14. Stuart Country Day School of the Sacred Heart

- District: Princeton
- Enrollment: 334 (4:1 student to teacher ratio)
- Niche grade: A+

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#13. The Wardlaw + Hartridge School

- District: Edison
- Enrollment: 471 (8:1 student to teacher ratio)
- Niche grade: A+

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#12. Montclair Kimberley Academy

- District: Montclair
- Enrollment: 1,052 (4:1 student to teacher ratio)
- Niche grade: A+

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#11. Blair Academy

- District: Blairstown
- Enrollment: 465 (6:1 student to teacher ratio)
- Niche grade: A+

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#10. Rutgers Preparatory School

- District: Somerset
- Enrollment: 640 (7:1 student to teacher ratio)
- Niche grade: A+

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#9. Princeton Day School

- District: Princeton
- Enrollment: 969 (7:1 student to teacher ratio)
- Niche grade: A+

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#8. Kent Place School

- District: Summit
- Enrollment: 649 (7:1 student to teacher ratio)
- Niche grade: A+

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#7. Dwight-Englewood School

- District: Englewood
- Enrollment: 947 (9:1 student to teacher ratio)
- Niche grade: A+

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#6. The Peddie School

- District: Hightstown
- Enrollment: 532 (6:1 student to teacher ratio)
- Niche grade: A+

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#5. Delbarton School

- District: Morristown
- Enrollment: 648 (7:1 student to teacher ratio)
- Niche grade: A+

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#4. Newark Academy

- District: Livingston
- Enrollment: 674 (7:1 student to teacher ratio)
- Niche grade: A+

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#3. The Pingry School

- District: Basking Ridge
- Enrollment: 1,197 (7:1 student to teacher ratio)
- Niche grade: A+

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#2. The Lawrenceville School

- District: Lawrenceville
- Enrollment: 822 (7:1 student to teacher ratio)
- Niche grade: A+

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#1. Princeton International School of Math and Science

- District: Princeton
- Enrollment: 120 (5:1 student to teacher ratio)
- Niche grade: A+

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