For the 2025 school year, there are 46 nonsectarian private high schools in New Hampshire. You can also find more religiously affiliated schools in New Hampshire.
The top ranked nonsectarian private high schools in New Hampshire include Kimball Union Academy, Dublin School, and Phillips Exeter Academy.
Top Ranked Nonsectarian Private High Schools in New Hampshire (2025)
School
Location
Grades
Students
410 Amherst Street, Suite 150
Nashua, NH 03063
(603) 316-6444
Nashua, NH 03063
(603) 316-6444
Grades: 6-9
| 17 students
10 Groton Rd
Nashua, NH 03062
(603) 881-4815
Nashua, NH 03062
(603) 881-4815
Grades: NS-12
| 179 students
Cardigan Mountain School![Cardigan Mountain School Photo - Campus View]( "Cardigan Mountain School Photo - Campus View")
All-boys
62 Alumni Drive
Canaan, NH 03741
(603) 523-3548
Canaan, NH 03741
(603) 523-3548
Grades: 6-9
| 239 students
Hampshire Country School![Hampshire Country School Photo - Island Pond is regularly used for canoeing and fishing.]( "Hampshire Country School Photo - Island Pond is regularly used for canoeing and fishing.")
All-boys
28 Patey Circle
Rindge, NH 03461
(603) 899-3325
Rindge, NH 03461
(603) 899-3325
Grades: 3-10
| 20 students
High Mowing School![High Mowing School Photo - The only International Waldorf boarding & day school in North America, High Mowing welcomes students from across the globe. Explore our 300-acre classroom. Become a citizen of the world, a steward of the land with a global perspective. Join us, get connected.]( "High Mowing School Photo - The only International Waldorf boarding & day school in North America, High Mowing welcomes students from across the globe. Explore our 300-acre classroom. Become a citizen of the world, a steward of the land with a global perspective. Join us, get connected.")
Special Program Emphasis
222 Isaac Frye Hwy
Wilton, NH 03086
(603) 654-2391
Wilton, NH 03086
(603) 654-2391
Grades: PK-12
| 361 students
7 Campus Center Drive
Meriden, NH 03770
Plainfield, NH 03781
(603) 469-2000
Plainfield, NH 03781
(603) 469-2000
Grades: 9-12
| 343 students
Legacy By Gersh At Crotched Mountain
Special Education School
1 Verney Drive
Greenfield, NH 03047
(603) 547-3311
Greenfield, NH 03047
(603) 547-3311
Grades: 2-12
| 43 students
Parker Academy![Parker Academy Photo - Parker Academy - You deserve an education as unique and as brilliant as you are!]( "Parker Academy Photo - Parker Academy - You deserve an education as unique and as brilliant as you are!")
Special Education School
2 Fisk Rd
Concord, NH 03301
(603) 410-6240
Concord, NH 03301
(603) 410-6240
Grades: 6-12
| 47 students
Phillips Exeter Academy![Phillips Exeter Academy Photo - Exeter students live and learn all over the world by participating in 40 off-campus programs from Iceland (shown) to South Africa to Washington, DC.]( "Phillips Exeter Academy Photo - Exeter students live and learn all over the world by participating in 40 off-campus programs from Iceland (shown) to South Africa to Washington, DC.")
Alternative School
20 Main St
Exeter, NH 03833
(603) 777-3437
Exeter, NH 03833
(603) 777-3437
Grades: 9-12
| 1,106 students
Antrim Girls Shelter
All-girls | Special Program Emphasis
55 Main St
Antrim, NH 03440
(603) 588-3124
Antrim, NH 03440
(603) 588-3124
Grades: 8-12
| 8 students
Ashuelot Valley Academy
Special Education School
31 Washington St
Keene, NH 03431
(603) 506-4665
Keene, NH 03431
(603) 506-4665
Grades: 5-12
| 32 students
The Birchtree Center
Special Education School
2064 Woodbury Ave
Portsmouth, NH 03801
(603) 433-4192
Portsmouth, NH 03801
(603) 433-4192
Grades: 2-12
| 39 students
Camp E-toh-anee
All-boys | Alternative School
35 Eckerd Alley Way
Colebrook, NH 03576
(603) 237-8755
Colebrook, NH 03576
(603) 237-8755
Grades: 7-12
| 33 students
Cedarcrest School![Cedarcrest School Photo - Cedarcrest Center for Children with Disabilities provides specialized care and education for up to 26 children, birth through age 21, with complex medical and developmental needs. Cedarcrest School serves children who are residents as well as day students who are cared for at home]( "Cedarcrest School Photo - Cedarcrest Center for Children with Disabilities provides specialized care and education for up to 26 children, birth through age 21, with complex medical and developmental needs. Cedarcrest School serves children who are residents as well as day students who are cared for at home")
Special Education School
91 Maple Avenue
Keene, NH 03431
(603) 358-3384
Keene, NH 03431
(603) 358-3384
Grades: K-12
| n/a students
Clearway High School
Special Education School
40 Arlington St
Nashua, NH 03060
(603) 598-8303
Nashua, NH 03060
(603) 598-8303
Grades: 9-12
| 48 students
The Contoocook School
Special Education School
40 Park Ln
Contoocook, NH 03229
(603) 746-7702
Contoocook, NH 03229
(603) 746-7702
Grades: 6-12
| 11 students
Easterseals Lancaster School
Special Education School
525 Prospect St
Lancaster, NH 03584
(603) 206-6700
Lancaster, NH 03584
(603) 206-6700
Grades: 5-12
| 12 students
Enriched Learning Center
Alternative School
26 Exchange Street
Berlin, NH 03570
(603) 215-6372
Berlin, NH 03570
(603) 215-6372
Grades: 4-12
| 13 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
9 South Merrimack Road
Hollis, NH 03049
(603) 400-1515
Hollis, NH 03049
(603) 400-1515
Grades: NS-9
| 115 students
767 Forest Road
Marlow, NH 03456
(603) 835-9087
Marlow, NH 03456
(603) 835-9087
Grades: 10-12
| 12 students
Longview School
Special Education School
55 Reservation Road
Deerfield, NH 03037
(603) 463-7854
Deerfield, NH 03037
(603) 463-7854
Grades: 9-12
| 21 students
105 Eastern Avenue
Rochester, NH 03867
(603) 332-2848
Rochester, NH 03867
(603) 332-2848
Grades: K-12
| 64 students
Mount Prospect Academy
All-boys | Special Education School
354 Main St
Plymouth, NH 03264
(603) 536-1102
Plymouth, NH 03264
(603) 536-1102
Grades: 7-12
| 110 students
Nfi - Midway Shelter
All-boys | Alternative School
136 Lowell Street
Manchester, NH 03104
(603) 669-9797
Manchester, NH 03104
(603) 669-9797
Grades: 7-11
| 17 students
Ny Youth Development Center/sysc
Special Education School
1056 N River Rd
Manchester, NH 03104
(603) 625-5471
Manchester, NH 03104
(603) 625-5471
Grades: 7-12
| 50 students
Show 11 more private schools in New Hampshire (out of 46 total schools)
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