For the 2025-26 school year, there are 7 private high schools serving 1,093 students in Sullivan County, NH.
The top ranked private high 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 high school average acceptance rate of 70%.
57% of private high schools in Sullivan County, NH are religiously affiliated (most commonly Catholic and Seventh Day Adventist).
Top Ranked Sullivan County Private High Schools (2025-26)
School
Location
Quick Facts
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
Gr: PK-12 | 119 students Avg. class size: 8 students Sports: 4 | Extracurrculars: 1 Tuition & acceptance rate listed
Estabrook Christian School
(Seventh Day Adventist)
1050 Route 12A
Plainfield, NH 03781
(603) 675-2455
Plainfield, NH 03781
(603) 675-2455
Gr: 1-9 | 11 students
64 Main Street
Meriden, NH 03770
(603) 469-2100
Meriden, NH 03770
(603) 469-2100
Gr: 9-12 | 338 students Avg. class size: 12 students Sports: 22 | Extracurrculars: 38 Tuition & acceptance rate listed
7 Campus Center DriveMeriden, NH 03770
Plainfield, NH 03781
(603) 469-2000
Plainfield, NH 03781
(603) 469-2000
Gr: 9-12 | 343 students Tuition listed
26 Seven Hearths Lane
Sunapee, NH 03782
(603) 763-9010
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
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
Claremont, NH 03743
(603) 543-3400
Gr: K-12 | 43 students Tuition listed
Sullivan County Private Schools (Closed)
School
Location
Quick Facts
St. Mary School (Closed 2006)
(Catholic)
18 Central Street
Claremont, NH 03743
(603) 542-6341
Claremont, NH 03743
(603) 542-6341
Gr: PK-8 | 128 students
Frequently Asked Questions
What are the top ranked private high schools in Sullivan County, NH?
The top ranked private high schools in Sullivan County, NH include Kimball Union Academy, Kimball Union Academy, and Claremont Christian Academy.
How many private high schools are located in Sullivan County?
7 private high schools are located in Sullivan County.
How diverse are private high schools in Sullivan County?
Sullivan County private high schools are approximately 18% minority students, which is same as the New Hampshire private school average of 18%.
What percentage of private high schools are religiously affiliated in Sullivan County?
57% of private high schools in Sullivan County are religiously affiliated (most commonly Catholic and Seventh Day Adventist).
Which private high schools in Sullivan County are often viewed compared to one another?
Popular comparisons of private high schools in Sullivan County include: New England Classical Academy vs. Claremont Christian Academy, Claremont Christian Academy vs. New England Classical Academy
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