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

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

Bishop Guertin High School Top 5 · Highest Avg. SAT Score (NH)

Home > New Hampshire > Average Student Size

Largest New Hampshire Private High Schools

The average private high school in New Hampshire has 201 students (2026-27).

The largest private high school in New Hampshire is Pinkerton Academy, with 3,074 students.

Quick Facts (2026-27)

# NH Schools Ranked: 77
Top 20 Range (Students): 274–3,074
NH School Avg.: 201
National School Avg.: 244

Quick Facts (2026-27)

# NH Schools Ranked: 77
Top 20 Range (Students): 274–3,074
NH School Avg.: 201
National School Avg.: 244

New Hampshire Average Students Per School (Trends)

View Data

Year	New Hampshire (NH) avg
2025	200
2024	193
2023	159
2022	153
2021	148
2020	137
2019	140
2018	136
2017	149
2016	145
2015	140

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Show school map — New Hampshire (students range: 274–3,074, avg 201)

School Size Range: 103 3,074 Avg. School Size: 404

Frequently Asked Questions

What is the New Hampshire average private high schools student size?

The New Hampshire average private high schools student size is 201 for 2026-27.

What are the private high schools with the largest student size in New Hampshire?

The top ranked private high schools in New Hampshire include Pinkerton Academy, Phillips Exeter Academy and Bishop Guertin High School.

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