The Derryfield School Top 3 · Highest Avg. ACT Score (NH)

Phillips Exeter Academy Top 3 · Oldest Founding Date (NH)

Kimball Union Academy Top 3 · Most AP Courses (NH)

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Oldest Private High Schools in New Hampshire

The average private high school in New Hampshire was founded around 1952 (2026-27).

The oldest private high school in New Hampshire is Phillips Exeter Academy, founded in 1781.

Quick Facts (26-27)

# NH Schools Ranked: 59
Top 20 Range (Year Founded): 1781–1963
NH School Avg.: 1951
National School Avg.: 1967

Quick Facts (26-27)

# NH Schools Ranked: 59
Top 20 Range (Year Founded): 1781–1963
NH School Avg.: 1951
National School Avg.: 1967

Frequently Asked Questions

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

The New Hampshire average private high schools founding year is 1952 for 2026-27.

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

The top ranked private high schools in New Hampshire include Phillips Exeter Academy, Kimball Union Academy and Kimball Union Academy.

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