Gill St. Bernard's School Top 9 · Most AP Courses (NJ)

Moorestown Friends School Top 3 · Oldest Founding Date (NJ)

Home > Find Schools > School Rankings > Average Founding Date > New Jersey

Oldest Private High Schools in New Jersey

The average private high school in New Jersey was founded around 1963 (2026-27).

The oldest private high school in New Jersey is Rutgers Preparatory School, founded in 1766.

Quick Facts (26-27)

# NJ Schools Ranked: 239
Top 20 Range (Year Founded): 1766–1889
NJ School Avg.: 1963
National School Avg.: 1967

Quick Facts (26-27)

# NJ Schools Ranked: 239
Top 20 Range (Year Founded): 1766–1889
NJ School Avg.: 1963
National School Avg.: 1967

Frequently Asked Questions

What is the New Jersey average private high schools founding year?

The New Jersey average private high schools founding year is 1963 for 2026-27.

What are the private high schools with oldest founding year in New Jersey?

The top ranked private high schools in New Jersey include Rutgers Preparatory School, Newark Academy and Moorestown Friends School.

Recent Articles

October 20, 2026

Private School Tuition Insurance: Is It Worth Buying?

Is private school tuition insurance worth buying? Learn what policies cover, compare costs and exclusions, and decide whether protecting your tuition investment makes financial sense for your family.

October 20, 2026

Medical Leave and Private School Tuition: Parent Guide

What happens to private school tuition during medical leave? Learn about refunds, tuition insurance, enrollment contracts, financial aid, and protecting your child's education while managing unexpected medical expenses and recovery.

October 20, 2026

Private School Commute: Is the Travel Time Worth It?

Is the commute to private school worth it? Learn how to calculate travel time, protect family routines, assess student well-being, and decide whether a longer journey makes educational sense.