For the 2025 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 Claremont Christian Academy.
The average acceptance rate is 49%, which is lower than the New Hampshire private school average acceptance rate of 71%.
44% of private schools in Sullivan County, NH are religiously affiliated (most commonly Catholic and Seventh Day Adventist).
Top Ranked Sullivan County Private Schools (2025)
School
Location
Grades
Students
Claremont Christian Academy![Claremont Christian Academy Photo Claremont Christian Academy Photo]()

(Baptist)
97 Maple Ave
Claremont, NH 03743
(603) 542-8759
Claremont, NH 03743
(603) 542-8759
Grades: PK-12
| 119 students
Estabrook Christian School
(Seventh Day Adventist)
1050 Route 12A
Plainfield, NH 03781
(603) 675-2455
Plainfield, NH 03781
(603) 675-2455
Grades: 1-9
| 11 students
7 Campus Center DriveMeriden, NH 03770
Plainfield, NH 03781
(603) 469-2000
Plainfield, NH 03781
(603) 469-2000
Grades: 9-12
| 343 students
26 Seven Hearths Lane
Sunapee, NH 03782
(603) 763-9010
Sunapee, NH 03782
(603) 763-9010
Grades: PK-12
| 203 students
Granite Hill School
Special Education School
135 Elm Street
Newport, NH 03773
(603) 863-0697
Newport, NH 03773
(603) 863-0697
Grades: 7-12
| 36 students
New England Classical Academy
(Catholic)
59 Old Church Road
Claremont, NH 03743
(603) 543-3400
Claremont, NH 03743
(603) 543-3400
Grades: K-12
| 43 students
Newport Montessori School
Montessori School
96 Pine Street
Newport, NH 03773
(603) 863-2243
Newport, NH 03773
(603) 863-2243
Grades: PK-8
| 106 students
Sullivan County Private Schools (Closed)
School
Location
Grades
Students
St. Mary School (Closed 2006)
(Catholic)
18 Central Street
Claremont, NH 03743
(603) 542-6341
Claremont, NH 03743
(603) 542-6341
Grades: PK-8
| 128 students
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 Claremont Christian 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?
Popular comparisons of private schools in Sullivan County include: New England Classical Academy vs. Claremont Christian Academy, Claremont Christian Academy vs. New England Classical Academy
Recent Articles

The End of Teacher Tenure As We Know It?
Teacher tenure in our public schools is under attack. Will tenure as we know it survive? Some thoughts here.

Schools for Gifted Children
Teaching gifted children requires deft handling. These children need intellectual and sensory stimulation. But they also need guidance and careful nurturing so that they grow up handling their special gifts and themselves appropriately.

June 09, 2025
The Private School Job Hunt: Insider Tips for Employed & Unemployed EducatorsNavigating the private school job market? Whether you're employed or unemployed, the right strategy can make all the difference. This article breaks down essential steps to keep your resume sharp, expand your network, and stay visible in the education community. Learn insider tips to position yourself for success in private schools.