Private School Review - Established 2003
The Derryfield School Top 3 · Highest Avg. ACT Score (NH)
World Academy Top 23 · Highest % Students of Color (NH)
New Hampton School Top 6 · Oldest Founding Date (NH)

Best New Hampshire Private Schools Belonging to National Association of Independent Schools (NAIS) (2026)

For the 2026 school year, there are 16 private schools belonging to National Association of Independent Schools (NAIS) serving 5,081 students in New Hampshire. You can also find more schools membership associations in New Hampshire.
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in New Hampshire include Phillips Exeter Academy, Kimball Union Academy, and St. Paul's School.
The average tuition cost is $50,021, which is higher than the New Hampshire private school average tuition cost of $20,174.
25% of private schools belonging to National Association of Independent Schools (NAIS) in New Hampshire are religiously affiliated (most commonly Episcopal and Other).

Quick Facts (2026)

  • # Private Schools: 16

Quick Facts (2026)

  • # Private Schools: 16

Top Ranked Private Schools Belonging to National Association of Independent Schools (NAIS) in New Hampshire (2026)

The Derryfield School Photo
The Derryfield School
Gr: 6-12 | 389 students
Avg. class size: 15 students
Sports: 16 | Extracurriculars: 50
2108 River Road
Manchester, NH 03104
(603) 669-4524
View Profile
World Academy Photo
World Academy
Gr: NS-8 | 508 students
Sports: 6 | Extracurriculars: 12
138 Spit Brook Road
Nashua, NH 03062
(603) 888-1982
(9)
View Profile
The Beech Hill School Photo
The Beech Hill School
Gr: 5-8 | 44 students
Avg. class size: 10 students
Sports: 1
20 Beech Hill Rd.
Contoocook, NH 03229
(603) 715-5129
(6)
View Profile
Brewster Academy Photo
Brewster Academy
Gr: 9-12 | 340 students
Avg. class size: 11 students
Sports: 19 | Extracurriculars: 17
80 Academy Drive
Wolfeboro, NH 03894
(603) 569-7200
View Profile
Dublin School Photo
Dublin School
Gr: 9-12 | 162 students
Avg. class size: 10 students
Sports: 15 | Extracurriculars: 40
18 Lehmann Way
Dublin, NH 03444
(603) 563-7075
(2)
View Profile
Hampstead Academy Photo
Hampstead Academy
Gr: PK-8 | 63 students
Avg. class size: 6 students
Extracurriculars: 7
320 East Road
Hampstead, NH 03841
(603) 329-4406
(5)
View Profile
Heronfield Academy Photo
Heronfield Academy
Gr: 6-8 | 90 students
Avg. class size: 15 students
Sports: 3 | Extracurriculars: 5
Specialized Curriculum (Episcopal)
356 Exeter Rd
Hampton Falls, NH 03844
(603) 772-9093
(2)
View Profile
High Mowing School Photo
High Mowing School
Gr: PK-12 | 361 students
Avg. class size: 22 students
Sports: 5 | Extracurriculars: 17
Specialized Curriculum
222 Isaac Frye Hwy
Wilton, NH 03086
(603) 654-2391
View Profile
Holderness School Photo
Holderness School
Gr: 9-12 | 380 students
Avg. class size: 12 students
Sports: 21 | Extracurriculars: 20
Episcopal
33 Chapel Lane
Plymouth, NH 03264
(603) 536-1257
(2)
View Profile
Kimball Union Academy Photo
Kimball Union Academy
Gr: 9-12 | 338 students
Avg. class size: 12 students
Sports: 22 | Extracurriculars: 38
64 Main Street
Meriden, NH 03770
(603) 469-2100
View Profile
Map of My School
My School
Gr: PK-2 | 80 students
Avg. class size: 12 students
Extracurriculars: 2
Specialized Curriculum
118 Locust Street
Dover, NH 03820
(603) 742-0321
(18)
View Profile
New Hampton School Photo
New Hampton School
Gr: 9-12 | 330 students
Avg. class size: 11 students
Sports: 17 | Extracurriculars: 18
70 Main Street
New Hampton, NH 03256
(603) 677-3401
View Profile
Phillips Exeter Academy Photo
Phillips Exeter Academy
Gr: 9-12 | 1,106 students
Avg. class size: 12 students
Sports: 22
Alternative School
20 Main St
Exeter, NH 03833
(603) 777-3437
View Profile
St. Paul's School Photo
St. Paul's School
Gr: 9-12 | 540 students
Avg. class size: 10 students
Sports: 21 | Extracurriculars: 31
Episcopal
325 Pleasant Street
Concord, NH 03301
(603) 229-4700
View Profile
Sant Bani School Photo
Sant Bani School
Gr: PK-8 | 150 students
Avg. class size: 15 students
Sports: 8 | Extracurriculars: 10
19 Ashram Road
Sanbornton, NH 03269
(603) 934-4240
View Profile
Tilton School Photo
Tilton School
Gr: 9-12 | 200 students
Avg. class size: 11 students
Sports: 15 | Extracurriculars: 22
30 School Street
Tilton, NH 03276
(603) 286-1733
(1)
View Profile

Frequently Asked Questions

What are the top ranked private schools belonging to National Association of Independent Schools (NAIS) in New Hampshire?
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in New Hampshire include Phillips Exeter Academy, Kimball Union Academy, and St. Paul's School.
How many private schools belonging to National Association of Independent Schools (NAIS) are located in New Hampshire?
16 private schools belonging to National Association of Independent Schools (NAIS) are located in New Hampshire.
How much do private schools belonging to National Association of Independent Schools (NAIS) cost in New Hampshire?
The average tuition cost is $50,021, which is higher than the New Hampshire private school average tuition cost of $20,174.
How diverse are private schools belonging to National Association of Independent Schools (NAIS) in New Hampshire?
New Hampshire private schools belonging to National Association of Independent Schools (NAIS) are approximately 31% minority students, which is higher than the New Hampshire private school average of 18%.
What percentage of private schools belonging to National Association of Independent Schools (NAIS) are religiously affiliated in New Hampshire?
25% of private schools belonging to National Association of Independent Schools (NAIS) in New Hampshire are religiously affiliated (most commonly Episcopal and Other).
16
Private Schools
5,081
Students
$50,021
Avg. Tuition
31%
Students of Color
6:1
Student-Teacher Ratio

Recent Articles

Will This Curriculum Still Matter in 2035?
Will This Curriculum Still Matter in 2035?
Learn how to evaluate future-ready private school curricula for 2035, focusing on durable knowledge, critical thinking, AI literacy, adaptability, communication, creativity, and real-world learning before choosing a school.
Private Schools for Creators, Trades & Startups
Private Schools for Creators, Trades & Startups
Explore how private schools support non-traditional career paths in creative industries, skilled trades, and entrepreneurship, plus what families should evaluate when choosing specialized programs for future-ready students today.
First 90 Days at Private School: Parent Guide
First 90 Days at Private School: Parent Guide
Learn how to read your child’s first 90 days at private school, distinguish healthy adjustment from genuine struggles, and know when academic, social, or emotional concerns require action.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (NH):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

School Rankings by Category
School Rankings by Category
 Private School Governance Structures Explained
Private School Governance Structures Explained
Private School Closures and Consolidations: Warning Signs to Watch
Private School Closures and Consolidations: Warning Signs to Watch

More Articles

Expert School Views
Strategic School Choices
Funding the Future
Timeless School Insights
Well-Rounded Achievements