Kimball Union Academy Photo

Best Sullivan County Private Schools (2026)

For the 2026 school year, there are 8 private schools serving 1,245 students in Sullivan County, NH (there are 26 public schools, serving 4,089 public students). 23% of all K-12 students in Sullivan County, NH are educated in private schools (compared to the NH state average of 16%).
The top-ranked private schools in Sullivan County, NH include Kimball Union Academy, Kimball Union Academy, and Mount Royal Academy.
The average acceptance rate is 49%, which is lower than the New Hampshire private school average acceptance rate of 73%.
44% of private schools in Sullivan County, NH are religiously affiliated (most commonly Catholic and Seventh Day Adventist).

Top-Ranked Sullivan County Private Schools (2026)

School
Location
Quick Facts
Claremont Christian Academy
Claremont Christian Academy Photo
(Baptist)
97 Maple Ave
Claremont, NH 03743
(603) 542-8759
Gr: PK-12 | 119 students Avg. class size: 8 students Sports: 3 | Extracurrculars: 1 Tuition & acceptance rate listed
Estabrook Christian School
(Seventh Day Adventist)
1050 Route 12A
Plainfield, NH 03781
(603) 675-2455
Gr: 1-9 | 11 students
Kimball Union Academy
Kimball Union Academy Photo
64 Main Street
Meriden, NH 03770
(603) 469-2100
Gr: 9-12 | 338 students Avg. class size: 12 students Sports: 22 | Extracurrculars: 38 Tuition & acceptance rate listed
Kimball Union Academy
7 Campus Center DriveMeriden, NH 03770
Plainfield, NH 03781
(603) 469-2000
Gr: 9-12 | 343 students Tuition listed
Mount Royal Academy
Mount Royal Academy Photo - Mount Royal Academy has been recognized as a Catholic Education Honor Roll School. The national Honor Roll program is directed by the Cardinal Newman Society and has recognized over 300 high-performing Catholic high schools nationwide since the program`s inception in 2004.
(Catholic)
(7)
26 Seven Hearths Lane
Sunapee, NH 03782
(603) 763-9010
Gr: PK-12 | 203 students Avg. class size: 14 students Sports: 6 | Extracurrculars: 2 Tuition & acceptance rate listed
Granite Hill School
Special Education School
135 Elm Street
Newport, NH 03773
(603) 863-0697
Gr: 7-12 | 36 students
New England Classical Academy
(Catholic)
59 Old Church Road
Claremont, NH 03743
(603) 543-3400
Gr: K-12 | 43 students Tuition listed
Newport Montessori School
Montessori School
96 Pine Street
Newport, NH 03773
(603) 863-2243
Gr: PK-8 | 106 students Avg. class size: 15 students Extracurrculars: 2 Tuition listed
[+] Show Closed Private Schools in Sullivan County, New Hampshire

Sullivan County Private Schools (Closed)

School
Location
Quick Facts
18 Central Street
Claremont, NH 03743
(603) 542-6341
Gr: PK-8 | 128 students

Overview

This County (Sullivan County)
This State (NH)
# Schools
9 Schools

Student Body:

# Students
1,245 Students
31,853 Students
% Average Students of Color
17%
18%

Academics and Faculty:

# Teachers
192 Teachers
3,214 Teachers
Average Student-Teacher Ratio
6:1
10:1
% Average Faculty w/Advanced Degree
40%
55%
Average Class Size
12 students
13 students
Average Number of AP Courses
78 courses
22 courses
Average SAT score
1223
(Out of 1600)
1242
Average ACT score
28
(Out of 36)
28

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$31,242
$19,990
Average % on Financial Aid
39%
36%
Average Financial Aid Grant
$13,000
$19,502
Average Acceptance Rate
49%
73%
Average Endowment Size
$72.9 million
$55.89 million

Students by Ethnicity:

0.51
0.57
# American Indian Students
6 Students
103 Students
% American Indian Students
1%
n/a
# Asian Students
124 Students
1,248 Students
% Asian Students
10%
4%
# Hispanic Students
20 Students
834 Students
% Hispanic Students
2%
3%
# Black Students
43 Students
708 Students
% Black Students
3%
2%
# White Students
840 Students
16,763 Students
% White Students
67%
55%
# Hawaiian Students
1 Student
8 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
215 Students
10,763 Students
% of Others Students
17%
36%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
11 extracurriculars
10 extracurriculars
Average Number of Sports
10 sports
9 sports

Frequently Asked Questions

What are the top-ranked private schools in Sullivan County, NH?
The top-ranked private schools in Sullivan County, NH include Kimball Union Academy, Kimball Union Academy, and Mount Royal Academy.
How many private schools are located in Sullivan County?
8 private schools are located in Sullivan County.
How diverse are private schools in Sullivan County?
Sullivan County private schools are approximately 17% minority students, which is lower than the New Hampshire private school average of 18%.
What percentage of students in Sullivan County go to private school?
23% of all K-12 students in Sullivan County are educated in private schools (compared to the NH state average of 16%).
What percentage of private schools are religiously affiliated in Sullivan County?
44% of private schools in Sullivan County are religiously affiliated (most commonly Catholic and Seventh Day Adventist).
Which private schools in Sullivan County are often viewed compared to one another?

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