For the 2025-26 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, Phillips Exeter Academy, and Dublin School.
Top Ranked Nonsectarian Private High Schools in New Hampshire (2025-26)
School
Location
Quick Facts
2108 River Road
Manchester, NH 03104
(603) 669-4524
Manchester, NH 03104
(603) 669-4524
Gr: 6-12 | 389 students Avg. class size: 15 students Sports: 16 | Extracurrculars: 50 Tuition & acceptance rate listed
410 Amherst Street, Suite 150
Nashua, NH 03063
(603) 316-6444
Nashua, NH 03063
(603) 316-6444
Gr: 6-9 | 17 students Avg. class size: 8 students Tuition & acceptance rate listed
10 Groton Rd
Nashua, NH 03062
(603) 881-4815
Nashua, NH 03062
(603) 881-4815
Gr: NS-12 | 166 students Avg. class size: 12 students Sports: 4 | Extracurrculars: 10 Tuition & acceptance rate listed
80 Academy Drive
Wolfeboro, NH 03894
(603) 569-7200
Wolfeboro, NH 03894
(603) 569-7200
Gr: 9-12 | 340 students Avg. class size: 12 students Sports: 19 | Extracurrculars: 17 Tuition & acceptance rate listed
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
Gr: 6-9 | 240 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 18 Tuition & acceptance rate listed
18 Lehmann Way
Dublin, NH 03444
(603) 563-7075
Dublin, NH 03444
(603) 563-7075
Gr: 9-12 | 162 students Avg. class size: 10 students Sports: 15 | Extracurrculars: 40 Tuition & acceptance rate listed
Easterseals Lancaster School
Special Education School
525 Prospect St
Lancaster, NH 03584
(603) 206-6700
Lancaster, NH 03584
(603) 206-6700
Gr: 5-12 | 12 students Avg. class size: 15 students Acceptance rate listed
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
Gr: 3-10 | 20 students Avg. class size: 4 students Extracurrculars: 8 Tuition & acceptance rate listed
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
Gr: PK-12 | 361 students Avg. class size: 22 students Sports: 5 | Extracurrculars: 19 Tuition listed
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
Longview School
Special Education School
55 Reservation Road
Deerfield, NH 03037
(603) 463-7854
Deerfield, NH 03037
(603) 463-7854
Gr: 9-12 | 21 students Avg. class size: 15 students Tuition & acceptance rate listed
70 Main Street
New Hampton, NH 03256
(603) 677-3401
New Hampton, NH 03256
(603) 677-3401
Gr: 9-12 | 330 students Avg. class size: 11 students Sports: 17 | Extracurrculars: 18 Tuition & acceptance rate listed
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
Gr: 6-12 | 34 students Avg. class size: 4 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
Gr: 9-12 | 1,106 student Avg. class size: 12 students Sports: 22 Tuition & acceptance rate listed
5 Pinkerton St
Derry, NH 03038
(603) 437-5200
Derry, NH 03038
(603) 437-5200
Gr: 9-12 | 3,074 students Tuition listed
204 Main Street
Andover, NH 03216
(603) 735-6641
Andover, NH 03216
(603) 735-6641
Gr: 9-12 | 376 students Avg. class size: 12 students Sports: 25 | Extracurrculars: 13 Tuition & acceptance rate listed
30 School Street
Tilton, NH 03276
(603) 286-1733
Tilton, NH 03276
(603) 286-1733
Gr: 9-12 | 200 students Avg. class size: 12 students Sports: 14 | Extracurrculars: 22 Tuition listed
Antrim Girls Shelter
All-girls | Special Program Emphasis
55 Main St
Antrim, NH 03440
(603) 588-3124
Antrim, NH 03440
(603) 588-3124
Gr: 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
Gr: 5-12 | 32 students
The Birchtree Center![The Birchtree Center Photo]( "The Birchtree Center Photo")
Special Education School
215 Commerce Way, Suite 300
Portsmouth, NH 03801
(603) 433-4192
Portsmouth, NH 03801
(603) 433-4192
Gr: PK-12
Building Block Commons
Special Program Emphasis
125 Kingston Rd
Exeter, NH 03833
(603) 778-1383
Exeter, NH 03833
(603) 778-1383
Gr: PK-12 | 45 students Avg. class size: 14 students Sports: 4 Tuition & acceptance rate listed
Camp E-toh-anee
All-boys | Alternative School
35 Eckerd Alley Way
Colebrook, NH 03576
(603) 237-8755
Colebrook, NH 03576
(603) 237-8755
Gr: 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
Gr: K-12 Avg. class size: 7 students Tuition & acceptance rate listed
Clearway High School
Special Education School
40 Arlington St
Nashua, NH 03060
(603) 598-8303
Nashua, NH 03060
(603) 598-8303
Gr: 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
Gr: 6-12 | 11 students Avg. class size: 5 students Tuition & acceptance rate listed
Enriched Learning Center
Alternative School
26 Exchange Street
Berlin, NH 03570
(603) 215-6372
Berlin, NH 03570
(603) 215-6372
Gr: 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
Gr: 7-12 | 36 students
9 South Merrimack Road
Hollis, NH 03049
(603) 400-1515
Hollis, NH 03049
(603) 400-1515
Gr: NS-9 | 125 students Avg. class size: 20 students Tuition listed
767 Forest Road
Marlow, NH 03456
(603) 835-9087
Marlow, NH 03456
(603) 835-9087
Gr: 10-12 | 12 students Avg. class size: 12 students Sports: 7 Tuition & acceptance rate listed
105 Eastern Avenue
Rochester, NH 03867
(603) 332-2848
Rochester, NH 03867
(603) 332-2848
Gr: K-12 | 64 students Avg. class size: 7 students Extracurrculars: 2 Tuition & acceptance rate listed
Mount Prospect Academy
All-boys | Special Education School
354 Main St
Plymouth, NH 03264
(603) 536-1102
Plymouth, NH 03264
(603) 536-1102
Gr: 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
Gr: 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
Gr: 7-12 | 50 students
Show 11 more private schools in New Hampshire (out of 46 total schools)
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