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

Oldest Private High Schools in New York

The average private high school in New York was founded around 1947 (2026-27).

The oldest private high school in New York is Harrow International School New York, founded in 1572.

Quick Facts (26-27)

# NY Schools Ranked: 438
Top 20 Range (Year Founded): 1572–1847
NY School Avg.: 1947
National School Avg.: 1966

Quick Facts (26-27)

# NY Schools Ranked: 438
Top 20 Range (Year Founded): 1572–1847
NY School Avg.: 1947
National School Avg.: 1966

Frequently Asked Questions

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

The New York average private high schools founding year is 1947 for 2026-27.

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

The top ranked private high schools in New York include Harrow International School New York, Collegiate School and Trinity School.

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