Private School Review - Established 2003
Mount Royal Academy Top 14 · Highest Avg. SAT Score (NH)
Claremont Christian Academy Top 8 · Highest Avg. SAT Score (NH)
Kimball Union Academy Top 3 · Largest Endowment (NH)

Sullivan County Private Schools

For the 2026-27 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 are educated in private schools (compared to the NH state average of 16%).
The average acceptance rate is 73%, which is lower than the New Hampshire private school average acceptance rate of 77%.
44% of private schools in Sullivan County, NH are religiously affiliated (most commonly Catholic and Baptist).

Quick Facts (26-27)

  • # Private Schools: 8
  • # Students Served: 1,245
  • Average Tuition: $32,167
  • % Students on Financial Aid: 27%
  • Acceptance Rate: 73%
  • Average Class Size: 12 students
  • % Students of Color: 17%
  • View Sullivan County, NH School Trends

Quick Facts (26-27)

  • # Private Schools: 8
  • # Students Served: 1,245
  • Average Tuition: $32,167
  • % Students on Financial Aid: 27%
  • Acceptance Rate: 73%
  • Average Class Size: 12 students
  • % Students of Color: 17%
  • View Sullivan County, NH School Trends

Top Ranked Sullivan County Private Schools (2026-27)

Map of Estabrook Christian School
Estabrook Christian School
Gr: 1-9 | 11 students
Seventh Day Adventist
1050 Route 12A
Plainfield, NH 03781
(603) 675-2455
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 Kimball Union Academy
Kimball Union Academy
Gr: 9-12 | 343 students
Sports: 9
7 Campus Center DriveMeriden, NH 03770
Plainfield, NH 03781
(603) 469-2000
View Profile
Mount Royal Academy Photo
Mount Royal Academy
Gr: PK-12 | 203 students
Avg. class size: 14 students
Sports: 6 | Extracurriculars: 2
Catholic
26 Seven Hearths Lane
Sunapee, NH 03782
(603) 763-9010
(7)
View Profile
Claremont Christian Academy Photo
Claremont Christian Academy
Gr: PK-12 | 119 students
Avg. class size: 8 students
Sports: 3 | Extracurriculars: 1
Baptist
97 Maple Ave
Claremont, NH 03743
(603) 542-8759
View Profile
Map of Granite Hill School
Granite Hill School
Gr: 7-12 | 36 students
Special Education School
135 Elm Street
Newport, NH 03773
(603) 863-0697
View Profile
Map of New England Classical Academy
New England Classical Academy
Gr: K-12 | 43 students
Catholic
59 Old Church Road
Claremont, NH 03743
(603) 543-3400
View Profile
Map of Newport Montessori School
Newport Montessori School
Gr: PK-8 | 106 students
Avg. class size: 15 students
Extracurriculars: 2
Montessori School
96 Pine Street
Newport, NH 03773
(603) 863-2243
View Profile
[+] Show Closed Private Schools in Sullivan County, New Hampshire

Sullivan County Private Schools (Closed)

Map of St. Mary School
St. Mary School
Gr: PK-8 | 128 students
Catholic
18 Central Street
Claremont, NH 03743
(603) 542-6341
View Profile

Overview

Category
This State (NH)
US
# Schools
9 Schools
# Students
1,245 Students
31,864 Students
% Average Students of Color
17%
18%

Academics and Faculty:

# Teachers
192 Teachers
3,209 Teachers
Average Student-Teacher Ratio
6:1
10:1
% Average Faculty w/Advanced Degree
40%
54%
Average Class Size
12 students
12 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
$32,167
$19,643
Average % on Financial Aid
27%
36%
Average Financial Aid Grant
$13,000
$19,718
Average Acceptance Rate
73%
77%
Average Endowment Size
$72.9 million
$59.12 million

Students by Ethnicity:

0.51
0.57
# American Indian Students
6 Students
103 Students
% American Indian Students
1%
<1%
# Asian Students
124 Students
1,247 Students
% Asian Students
10%
4%
# Hispanic Students
20 Students
833 Students
% Hispanic Students
2%
3%
# Black Students
43 Students
705 Students
% Black Students
3%
2%
# White Students
840 Students
16,749 Students
% White Students
67%
55%
# Hawaiian Students
1 Student
8 Students
% Hawaiian Students
<1%
<1%
# Others Students
215 Students
10,793 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, Mount Royal Academy, and Kimball Union 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 Baptist).
Which private schools in Sullivan County are often viewed compared to one another?

Recent Articles

Should Your Child Stay at the Same Private School K–12?
Should Your Child Stay at the Same Private School K–12?
Explore whether your child should attend the same private school from kindergarten through graduation, weighing academic continuity, friendships, changing needs, tuition costs, and opportunities at different educational stages.
When Your Child's Closest Friends Leave Private School
When Your Child's Closest Friends Leave Private School
Learn how to support your child when close friends leave private school, manage loneliness, maintain friendships, encourage new connections, recognize emotional challenges, and decide when additional school support is needed.
When Your Child Doesn't Connect With Their Teacher
When Your Child Doesn't Connect With Their Teacher
Discover when parents should intervene if their child struggles to connect with a private school teacher, including warning signs, communication strategies, classroom concerns, and practical steps toward improving relationships.

Filter Schools

School Level
Must Offer Grade
Show more
Gender
School Focus
Religious Affiliation
ADD/ADHD Support
Summer Program

Quick Links

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

Most Popular Articles

Private School vs Public School: Key Differences (2026 Guide)
Private School vs Public School: Key Differences (2026 Guide)
 School Rankings by Category
School Rankings by Category
A Parent’s Guide to Private School Entrance Exams
A Parent’s Guide to Private School Entrance Exams

More Articles

Archives
Jobs in Private Schools
Running a Private School
Choosing a Private School
Paying For It