Boarding School Review - Established 2003
New York Military Academy Photo - New York Military Academy, established in 1889 in Cornwall-on-Hudson, New York, is a private, international boarding school serving grades 7 through 12. NYMA is dedicated to a comprehensive and substantive process of developing young leaders who are `Set Apart for Excellence`. Our goal is to prepare our cadets for success and fulfillment in college and in life.
New York Military Academy

Best Non-denominational Boarding Schools (2026)

For the 2026 school year, there are 188 non-denominational boarding schools serving 73,028 students located throughout the United States and Canada.
You can also view by religion, browse our full boarding school directory or specify additional search criteria.

Top Non-denominational Boarding Schools (2026)

School
Location
Quick Facts
A+ World Academy
A+ World Academy Photo - #climbinghigh to get to the top of the mast at A+ World Academy
(8)
International (on a Tall Ship)
Kristiansand, Norway 4610
3475677083
Gr: 11-12, PG | 64 students Student-teacher ratio: 7:1 Avg. class size: 12 students Tuition listed
The Academy at SOAR
The Academy at SOAR Photo - The Academy at SOAR is an accredited private boarding school. Students will graduate with a high school diploma.
PO Box 388
Balsam, NC 28707
(828) 456-3435
Gr: 7-12 | 32 students Student-teacher ratio: 8:1 Avg. class size: 8 students Tuition listed
Admiral Farragut Academy
Admiral Farragut Academy Photo - Steeped in history, with alumni in the White House, on the surface of the moon, professional athletes, and in key leadership positions around the world, Admiral Farragut Academy is an international university preparatory school offering elite academics and outstanding global leadership development. AFA's global headquarters and international boarding school is located on the waterfront in tropical St. Petersburg, Florida.
(9)
501 Park Street North
St. Petersburg, FL 33710
(727) 384-5504
Gr: 8-12 | K-12 (day) | 467 students Student-teacher ratio: 15:1 Avg. class size: 17 students Acceptance rate: 68% Tuition listed
Albert College
160 Dundas Street West
Belleville, Canada K8P 1A6
(613) 968-5726
Gr: 7-12 | PK-12 (day) | 308 students Student-teacher ratio: 8:1 Avg. class size: 15 students Tuition listed
Annie Wright Schools
827 N Tacoma Ave
Tacoma, WA 98403
(253) 284-8603
Gr: 9-12 | Pre-K-12 (day) | 880 students Student-teacher ratio: 6.5:1 Avg. class size: 17 students Tuition listed
Applewild School
Applewild School Photo - Upper School students participate in challenging courses in English, math, and social studies. They study science through experiential work and collaborative experiments.
120 Prospect Street
Fitchburg, MA 01420
(978) 342-6053
Gr: 4-9 | PK-9 (day) | 345 students Student-teacher ratio: 6:1 Avg. class size: 12 students Tuition listed
Ashbury College
Ashbury College Photo - Founded in 1891, Ashbury College is a proud international school in the heart of Canada's capital.
(4)
362 Mariposa Avenue
Ottawa, Canada K1M 0T3
(613) 749-9630
Gr: 9-12 | 4-12 (day) | 750 students Student-teacher ratio: 8:1 Avg. class size: 17 students Acceptance rate: 65% Tuition listed
The Athenian School
The Athenian School Photo
(1)
2100 Mt. Diablo Scenic Blvd.
Danville, CA 94506
(925) 362-7223
Gr: 9-12 | 6-12 (day) | 535 students Student-teacher ratio: 10:1 Avg. class size: 15 students Tuition listed
Atlanta International School
1701 Brandon Hall Drive
Sandy Springs, GA 30350
(404) 841-3840
Gr: 9-12 | PK-12 (day) Tuition listed
Avon Old Farms School
(6)
500 Old Farms Road
Avon, CT 06001
(800) 464-2866
Gr: 9-12, PG | 405 students Student-teacher ratio: 6:1 Avg. class size: 12 students Acceptance rate: 45% Tuition listed
Baylor School
Baylor School Photo - Baylor School is situated on 690 acres along the Tennessee River.
(4)
171 Baylor School Road
Chattanooga, TN 37405
(423) 267-5902
Gr: 9-12 | 6-12 (day) | 1,050 students Student-teacher ratio: 9:1 Avg. class size: 14 students Acceptance rate: 40% Tuition listed
The Bement School
The Bement School Photo
94 Old Main Street, PO Box 8
Deerfield, MA 01342
(413) 774-4209
Gr: 3-9 | K-9 (day) | 225 students Student-teacher ratio: 5:1 Avg. class size: 12 students Acceptance rate: 45% Tuition listed
Berkshire School
Berkshire School Photo - Founded in 1907, Berkshire School is a coed college preparatory boarding and day school for 400 ninth-12th graders and post-graduates, offering a forward-thinking curriculum and state-of-the-art facilities on a 400-acre campus in Sheffield, Mass.
(17)
245 North Undermountain Road
Sheffield, MA 01257
(413) 229-1003
Gr: 9-12, PG | 425 students Student-teacher ratio: 4:1 Avg. class size: 12 students Acceptance rate: 20% Tuition listed
Bishop's College School
Bishop's College School Photo - Our mission is simple: to create a caring community of learning and development where cultures connect and individuals matter. Our commitment to excellence in academics, wellness, athletics, creativity, and service contribute to a lifetime of engagement and global competence
80 chemin Moulton Hill
Sherbrooke, Quebec, Canada J1M 1Z8
(819) 566-0238
Gr: 7-12 | 250 students Student-teacher ratio: 8:1 Avg. class size: 15 students Tuition listed
Blair Academy
Blair Academy Photo
(9)
2 Park St
Blairstown, NJ 07825
(908) 362-2009
Gr: 9-12, PG | 475 students Student-teacher ratio: 6:1 Avg. class size: 11 students Acceptance rate: 15% Tuition listed
Bodwell High School
Bodwell High School Photo - Bodwell High School is located in North Vancouver, overlooking the Vancouver skyline. The modern campus boasts space for 600+ boarders and has extensive facilities throughout.
955 Harbourside Drive
North Vancouver, BC, Canada V7P 3S4
(604) 998-1000
Gr: 8-12 | 550 students Student-teacher ratio: 20:1 Avg. class size: 20 students Acceptance rate: 95% Tuition listed
The Bolles School
7400 San Jose Blvd.
Jacksonville, FL 32217
(904) 256-5030
Gr: 9-12, PG | PK-12, PG (day) | 1,756 students Student-teacher ratio: 10:1 Avg. class size: 15 students Acceptance rate: 34% Tuition listed
Branksome Hall
Branksome Hall Photo
10 Elm Avenue
Toronto, Canada m4w 1n4
(416) 920-9741
Gr: 7-12 | PK-12 (day) | 910 students Student-teacher ratio: 12:1 Avg. class size: 19 students Acceptance rate: 33% Tuition listed
Branksome Hall Asia
234 Global edu-ro, Daejeong-eup, Seogwipo-si
Jeju-do, South Korea 63644
82649025000
Gr: 6-12 | PK-12 (day) | 1,200 students Student-teacher ratio: 8:1 Avg. class size: 20 students Acceptance rate: 50% Tuition listed
Brehm Preparatory School
900 South Brehm Lane
Carbondale IL, IL 62901
(618) 457-0371
Gr: 6-12, PG Student-teacher ratio: 6:1 Avg. class size: 6 students Acceptance rate: 100% Tuition listed
Brentwood College School
Brentwood College School Photo - Crooks Hall, our oceanfront dining room and student services centre, is designed to be a warm, welcoming, west coast style facility, which is student friendly and environmentally responsible.For students, it is a one-stop social experience and the heart of campus where everyone can eat, relax, socialize, buy school supplies, pick up laundry, and host meetings.
(1)
2735 Mt. Baker Road
Mill Bay, BC V8H 1K8, Canada 1
(250) 743-5521
Gr: 9-12, PG | 8-12, PG (day) | 535 students Student-teacher ratio: 8:1 Avg. class size: 16 students Acceptance rate: 30% Tuition listed
Brewster Academy
Brewster Academy Photo - Welcome to Wolfeboro! Brewster's lakeside location provides students with a variety of resources on and off campus. Our outdoor facilities include six athletic fields, nine tennis courts, and a boathouse which provides storage and work areas for rowing shells and "420" racing sailboats.
(10)
80 Academy Drive
Wolfeboro, NH 03894
(603) 569-7200
Gr: 9-12, PG | 350 students Student-teacher ratio: 6:1 Avg. class size: 12 students Acceptance rate: 50% Tuition listed
Bridgton Academy
Bridgton Academy Photo - Our Humanities Center is one of two academic buildings on campus, and the hub for our academic administration, Focused Academic Coaching, Academic Support, and the Marcella/Sands Lecture Hall.
11 Academy Lane
North Bridgton, ME 04057
(207) 647-3322
Gr: 12-12, PG | 180 students Student-teacher ratio: 4:1 Avg. class size: 12 students Acceptance rate: 70% Tuition listed
Buxton School
Buxton School Photo - At Buxton, we provide the time, experience, and environment that inspire young people to learn more and go deeper. Our students are doers, both in school and in life. Education at Buxton is not passive; it is a stimulating and constant process of questioning, discovering, synthesizing and sharing.
(1)
291 South Street
Williamstown, MA 01267
(413) 458-3919
Gr: 9-12, PG | 50 students Student-teacher ratio: 3:1 Avg. class size: 7 students Tuition listed
The Calverton School
The Calverton School Photo - Friendships are made across divisions at Calverton.
300 Calverton School Rd
Huntingtown, MD 20639
(410) 535-0216
Gr: 8-12, PG | PK-12, PG (day) | 323 students Student-teacher ratio: 7:1 Avg. class size: 12 students Tuition listed
The Cambridge School of Weston
The Cambridge School of Weston Photo - With over 250 courses to choose from, our dynamic curriculum allows students to balance engaging foundational courses with exploration and in-depth study as they choose from offerings like: "Multivariable Calculus," "The Biology of Cancer," "Wearable Art," "Japanese Women Writers," and "U.S. Cold War and Vietnam."
(15)
45 Georgian Road
Weston, MA 02493
(781) 642-8650
Gr: 9-12, PG | 315 students Student-teacher ratio: 7:1 Avg. class size: 14 students Tuition listed
Cardigan Mountain School
Cardigan Mountain School Photo
(2)
62 Alumni Drive
Canaan, NH 03741
(603) 523-3548
Gr: 6-9 | 230 students Student-teacher ratio: 4:1 Avg. class size: 12 students Acceptance rate: 74% Tuition listed
Cate School
Cate School Photo - Day Walk
(19)
1960 Cate Mesa Road, P.O. Box 5005
Carpinteria, CA 93013
(805) 684-4127
Gr: 9-12 | 311 students Student-teacher ratio: 5:1 Avg. class size: 10 students Acceptance rate: 17% Tuition listed
CATS Academy Boston
CATS Academy Boston Photo - Adams Hall
(1)
2001 Washington Street
Braintree, MA 02184
(857) 400-9700
Gr: 8-12, PG | 380 students Student-teacher ratio: 9:1 Avg. class size: 14 students Acceptance rate: 70% Tuition listed
CATS Cambridge
CATS Cambridge Photo
1 High St, Chesterton
Cambridge, United Kingdom CB4 1NQ
4401223341300
Gr: 9-12, PG Avg. class size: 11 students
Cheshire Academy
Cheshire Academy Photo - Our 104 acre (0.42 sq km) campus is in the center of the quiet, beautiful Town of Cheshire, CT. Though just a two hour drive to both Boston and New York, Cheshire is a quiet small town where students are in walking distance of a few area shops and cafes.
(5)
10 Main Street
Cheshire, CT 06410
(203) 439-7250
Gr: 9-12, PG | 343 students Student-teacher ratio: 6:1 Avg. class size: 10 students Acceptance rate: 45% Tuition listed
Choate Rosemary Hall
Choate Rosemary Hall Photo
(30)
333 Christian Street
Wallingford, CT 06492
(203) 697-2239
Gr: 9-12, PG | 859 students Student-teacher ratio: 6:1 Avg. class size: 11 students Acceptance rate: 16% Tuition listed
Collège du Léman Sàrl
Collège du Léman Sàrl Photo
(1)
Route de Sauverny 74
Geneva, Switzerland 1290
41227755656
Gr: 4-12 | Pre-K-12 (day) | 1,900 students Tuition listed
Colorado Rocky Mountain School
(8)
500 Holden Way
Carbondale, CO 81623
(970) 963-2562
Gr: 9-12 | 174 students Student-teacher ratio: 5:1 Avg. class size: 12 students Acceptance rate: 55% Tuition listed
Colorado Timberline Academy
Colorado Timberline Academy Photo - Fall Trip in the Slot Canyons
(4)
454 Academy Drive
Durango, CO 81301
(970) 247-5898
Gr: 9-12, PG | 40 students Student-teacher ratio: 4:1 Avg. class size: 6 students Acceptance rate: 90% Tuition listed
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