Holderness School Photo - Our setting in the White Mountains is a source of daily inspiration. We find wisdom in the forest, grace on the river, spirituality on the snow-capped mountain peak, and joy in every season. Our environment is built for elevation.

Best Grafton County Private High Schools (2025-26)

For the 2025-26 school year, there are 7 private high schools serving 825 students in Grafton County, NH.
The top ranked private high schools in Grafton County, NH include Holderness School, Bethlehem Christian School, and Cardigan Mountain School.
The average acceptance rate is 76%, which is higher than the New Hampshire private high school average acceptance rate of 70%.
43% of private high schools in Grafton County, NH are religiously affiliated (most commonly Episcopal and Christian).

Top Ranked Grafton County Private High Schools (2025-26)

School
Location
Quick Facts
Bethlehem Christian School
Alternative School (Christian)
(1)
1858 Maple St
Bethlehem, NH 03574
(603) 869-5401
Gr: K-12 | 22 students Avg. class size: 25 students Tuition & acceptance rate listed
Cardigan Mountain School
Cardigan Mountain School Photo - Campus View
All-boys
62 Alumni Drive
Canaan, NH 03741
(603) 523-3548
Gr: 6-9 | 239 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 18 Tuition & acceptance rate listed
Holderness School
Holderness School Photo
(Episcopal)
(2)
33 Chapel Lane
Plymouth, NH 03264
(603) 536-1257
Gr: 9-12 | 380 students Avg. class size: 12 students Sports: 21 | Extracurrculars: 20 Tuition & acceptance rate listed
Calvary Christian School
(Baptist)
115 Yeaton Rd
Plymouth, NH 03264
(603) 536-4022
Gr: 7-11 | 6 students Avg. class size: 4 students Sports: 2 Tuition & acceptance rate listed
Mount Prospect Academy
All-boys | Special Education School
354 Main St
Plymouth, NH 03264
(603) 536-1102
Gr: 7-12 | 110 students
Oliverian School
Oliverian School Photo - Aerial view of the Oliverian campus. The Meeting House, main Academic Building, and Mackinnon/Student Center can be seen.
(4)
28 Becket Dr
Pike, NH 03780
(603) 989-5100
Gr: 9-12 | 26 students Sports: 2 | Extracurrculars: 9
Waterville Valley Academy
Special Program Emphasis
88 Boulder Path Rd.
Waterville Valley, NH 03215
(603) 236-4246
Gr: 9-12 | 42 students Avg. class size: 2 students Sports: 3 Tuition & acceptance rate listed
[+] Show Closed Private Schools in Grafton County, New Hampshire

Grafton County Private Schools (Closed)

School
Location
Quick Facts
The Hunter School (Closed 2023)
Special Education School
768 Doetown Rd
Rumney, NH 03266
(603) 786-9427
Gr: NS | 33 students
371 West Farm Road
Bethlehem, NH 03574
(603) 444-2928
Gr: 9-12 | 137 students Avg. class size: 10 students Tuition & acceptance rate listed

Frequently Asked Questions

What are the top ranked private high schools in Grafton County, NH?
The top ranked private high schools in Grafton County, NH include Holderness School, Bethlehem Christian School, and Cardigan Mountain School.
How many private high schools are located in Grafton County?
7 private high schools are located in Grafton County.
How diverse are private high schools in Grafton County?
Grafton County private high schools are approximately 21% minority students, which is higher than the New Hampshire private school average of 18%.
What percentage of private high schools are religiously affiliated in Grafton County?
43% of private high schools in Grafton County are religiously affiliated (most commonly Episcopal and Christian).
Which private high schools in Grafton County are often viewed compared to one another?

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