Boarding School Review - Established 2003
Hillside School
The Gow School
St. George's School

Dual Language Immersion Programs Boarding Schools

For the 2026-27 school year, there are 30 boarding schools that offer programs/support for students with dual language immersion program , serving 7,337 students.
The most popular immersion language choices are Spanish and Mandarin.
You can also browse our full boarding school directory or specify additional search criteria.

Quick Facts (26-27)

  • # Boarding Schools: 30
  • # Students Served: 7,337
  • Average Tuition: $65,656
  • % Students on Financial Aid: 49%
  • Average Acceptance Rate: 70%
  • Average Class Size: 12 students
  • Average SAT Score: 1,241
  • % Faculty w/Advanced Degree: 66%
  • % Students Boarding: 53%
  • % International Students: 32%
  • % Students of Color: 27%

Quick Facts (26-27)

  • # Boarding Schools: 30
  • # Students Served: 7,337
  • Average Tuition: $65,656
  • % Students on Financial Aid: 49%
  • Average Acceptance Rate: 70%
  • Average Class Size: 12 students
  • Average SAT Score: 1,241
  • % Faculty w/Advanced Degree: 66%
  • % Students Boarding: 53%
  • % International Students: 32%
  • % Students of Color: 27%

Top Dual Language Immersion Programs Boarding Schools (2026-27)

Admiral Farragut Academy Photo - Steeped in history, with alumni in the White House, on the moon's surface, professional athletes, and key leadership positions worldwide, Admiral Farragut Academy is an international preparatory school offering elite academics and outstanding global leadership development. AFA's global headquarters and international boarding school is on the waterfront in tropical St. Petersburg, Florida.
Admiral Farragut Academy
Gr: 8-12 | K-12 (day) | 762 students
Student-teacher ratio: 17:1
Avg. class size: 17 students
Acceptance rate: 65%
Tuition listed
501 Park Street North
St. Petersburg, FL 33710
(727) 384-5504
(10)
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Agora Andorra International School Photo
Agora Andorra International School
Gr: 9-12 | Pre-K-12 (day)
C/ Serrat del Camp, 14 · AD400 La Massana (Principat d’Andorra)
Aldosa de La Massana, Andorra AD400
376838366
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Ashbury College Photo - Founded in 1891, Ashbury College is a proud international school in the heart of Canada's capital.
Ashbury College
Gr: 9-12 | 3-12 (day) | 750 students
Student-teacher ratio: 8:1
Avg. class size: 17 students
Acceptance rate: 65%
Tuition listed
362 Mariposa Avenue
Ottawa, Canada K1M 0T3
(613) 749-9630
(15)
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Chapel Hill-Chauncy Hall Photo
Chapel Hill-Chauncy Hall
Gr: 9-12, PG | 8-12, PG (day)
Student-teacher ratio: 5:1
Avg. class size: 10 students
Tuition listed
785 Beaver Street
Waltham, MA 02452
(781) 314-0804
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The Gow School Photo
The Gow School
Gr: 5-12, PG | 75 students
Student-teacher ratio: 4:1
Avg. class size: 5 students
Tuition listed
2491 Emery Road
South Wales, NY 14139
(716) 687-2001
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Harrow International School New York Photo - Harrow New York is located outside of New York City on a historic 170 acre waterfront campus.
Harrow International School New York
Gr: 6-12
Student-teacher ratio: 5:1
Avg. class size: 10 students
Tuition listed
500 Montauk Highway
Oakdale, NY 11769
(631) 869-1572
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Haut-Lac International Bilingual School Photo - Campuses with lake view, Switzerland
Haut-Lac International Bilingual School
Gr: 6-12 | PK-12 (day) | 620 students
Student-teacher ratio: 6:1
Avg. class size: 10 students
Tuition listed
Chem. de Pangires 26
Saint-Légier-La Chiésaz, Switzerland 1806
412155550
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Hershey Montessori School Photo - Adolescents build relationships and memories with peers of diverse backgrounds and ethnicities, and prepare for adulthood in a global society.
Hershey Montessori School
Gr: 7-12, PG | 51 students
Student-teacher ratio: 10:1
Avg. class size: 10 students
Acceptance rate: 87%
Tuition listed
11530 Madison Road
Huntsburg, OH 44046
(440) 357-0918
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Hillside School Photo - Hillside School is located on 150 acres of land that is 45 minutes from Boston and 20 minutes from Worcester.
Hillside School
Gr: 4-9 | K-9 (day) | 145 students
Student-teacher ratio: 7:1
Avg. class size: 12 students
Acceptance rate: 70%
Tuition listed
404 Robin Hill Street
Marlborough, MA 01752
(508) 485-3483
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Hyde School Photo
Hyde School
Gr: 9-12, PG | 130 students
Student-teacher ratio: 7:1
Avg. class size: 12 students
Acceptance rate: 73%
Tuition listed
616 High Street
Bath, ME 04530
(207) 443-5584
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IMG Academy Photo - IMG Academy's Academic Center is in the hear of campus and offers classes, resources, and college placement support to each student-athlete.
IMG Academy
Gr: 6-12, PG | 1,351 students
Student-teacher ratio: 4:1
Avg. class size: 12 students
Tuition listed
5650 Bollettieri Blvd
Bradenton, FL 34210
(800) 872-6425
(7)
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The International School of Schaffhausen Photo - The International School of Schaffhausen is located in the north of Switzerland, in the idyllic town of Schaffhausen. ISSH offers both the IB Diploma Programme and a High School Diploma Programme, with a focus on STEM subjects.
The International School of Schaffhausen
Gr: 9-12 | PK-12 (day) | 280 students
Student-teacher ratio: 6:1
Avg. class size: 17 students
Tuition listed
Mühlentalstrasse 280
Schaffhausen, Switzerland 8200
41526241707
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La Garenne Photo - Le Roc, the main building of La Garenne International School in Chesires-Villars, Switzerland
La Garenne
Gr: 1-12 | PK-12 (day) | 200 students
Student-teacher ratio: 2:1
Avg. class size: 10 students
Acceptance rate: 90%
Tuition listed
Chemin des Chavasses 23
Chesières, Switzerland 1885
41244952453
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The Leelanau School Photo
The Leelanau School
Gr: 9-12
Student-teacher ratio: 3:1
Avg. class size: 6 students
Tuition listed
1 Old Homestead Road
Glen Arbor, MI 49636
(231) 334-5800
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Maharishi School Photo
Maharishi School
Gr: 9-12 | PK-12 (day) | 184 students
Student-teacher ratio: 5:1
Avg. class size: 12 students
Acceptance rate: 85%
Tuition listed
804 Dr Robert K Wallace Drive
Fairfield, IA 52556
(641) 472-9400
(2)
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Marshall School Photo - The beautiful 42-acre campus provides outdoor learning, recreation, and incredible views of Lake Superior, the world's largest natural lake.
Marshall School
Gr: 8-12 | K-12 (day) | 456 students
Student-teacher ratio: 10:1
Avg. class size: 15 students
Tuition listed
1215 Rice Lake Rd
Duluth, MN 55811
(218) 727-7266
(2)
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New Summit Academy Costa Rica Photo - Our location in Costa Rica is no accident. Costa Rica is an experiential learner's paradise.
New Summit Academy Costa Rica
Gr: 9-12, PG | 26 students
Student-teacher ratio: 4:1
Avg. class size: 6 students
Tuition listed
All-boys
Alajuela Province, Nueva Cumbre
Atenas, Costa Rica 20501
18006099496
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NLCS Jeju Photo - NLCS Jeju campus
NLCS Jeju
Gr: 5-12, PG | K-12, PG (day)
Avg. class size: 22 students
Acceptance rate: 40%
Tuition listed
Edu City Ro
Jeju, South Korea 63644
82647938004
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The Peddie School Photo
The Peddie School
Gr: 9-12, PG
Student-teacher ratio: 8:1
Avg. class size: 12 students
Acceptance rate: 29%
Tuition listed
201 South Main Street
Hightstown, NJ 08520
(609) 944-7501
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Pillsbury Summer School Camp Photo
Pillsbury Summer School Camp
Gr: 6-12
Student-teacher ratio: 8:1
Avg. class size: 8 students
Acceptance rate: 90%
Tuition listed
315 S. Grove Ave.
Owatonna, MN 55060
(507) 214-2200
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The Putney School Photo - The Putney School is located on a working dairy farm. We value the dignity and relevance of physical work, which shows through our Work Program. Students carry out daily chores, collaborate in teams, learn skills, and sometimes lead crews various areas: Barn, Kitchen, Land-Use, Dining & Maintenance.
The Putney School
Gr: 9-12, PG | 220 students
Student-teacher ratio: 3:1
Avg. class size: 12 students
Acceptance rate: 60%
Tuition listed
418 Houghton Brook Road
Putney, VT 05346
(802) 387-5566
(16)
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Red Bird Christian School of Red Bird Mission, Inc. Photo
Red Bird Christian School of Red Bird Mission, Inc.
Gr: 7-12 | PK-12 (day)
Student-teacher ratio: 8:1
Avg. class size: 12 students
Acceptance rate: 85%
Tuition listed
Christian
15420 S HWY-66
Beverly, KY 40913
(606) 598-2416
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Riverstone International School Photo - Welcome to Riverstone International School! We look forward to welcoming you to our school in beautiful Boise, Idaho!
Riverstone International School
Gr: 8-12 | PK-12 (day) | 320 students
Student-teacher ratio: 7:1
Avg. class size: 18 students
Acceptance rate: 80%
Tuition listed
5521 East Warm Springs Avenue
Boise, ID 83716
(208) 424-5000
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RPS Academies Photo - International High-Performance Sports & Education Academy We Make Champions For Life
RPS Academies
Gr: 6-12 | 115 students
Student-teacher ratio: 8:1
Avg. class size: 8 students
Acceptance rate: 95%
Tuition listed
3500 SE Morningside Dr
Port St Lucie, Florida, FL 34952
(772) 800-2444
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St. George's School Photo - Seaside Campus overlooking the Atlantic Ocean
St. George's School
Gr: 9-12 | 402 students
Student-teacher ratio: 7:1
Avg. class size: 10 students
Acceptance rate: 19%
Tuition listed
Episcopal
372 Purgatory Rd
Middletown, RI 02842
(401) 842-6600
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St. John's Northwestern Academy Photo - Students walking through campus.
St. John's Northwestern Academy
Gr: 7-12, PG | 235 students
Student-teacher ratio: 13:1
Avg. class size: 12 students
Acceptance rate: 84%
Tuition listed
Episcopal
1101 Genesee Street
Delafield, WI 53018
(262) 646-7199
(4)
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San Domenico School Photo
San Domenico School
Gr: 9-12 | K-12 (day) | 680 students
Student-teacher ratio: 9:1
Avg. class size: 18 students
Tuition listed
1500 Butterfield Road
San Anselmo, CA 94960
(415) 258-1990
View Profile
South Kent School Photo
South Kent School
Gr: 9-12, PG | 170 students
Student-teacher ratio: 8:1
Avg. class size: 12 students
Tuition listed
All-boys (Episcopal)
40 Bulls Bridge Rd
South Kent, CT 06785
(860) 927-3539
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Southeastern Preparatory Academy Photo - Welcome to the Nest!
Southeastern Preparatory Academy
Gr: 6-12, PG | PK-12, PG (day)
Student-teacher ratio: 15:1
Avg. class size: 15 students
Tuition listed
8701 Maitland Summit Blvd
Orlando, FL 32810
(407) 960-6009
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UNISUS School Photo - UNISUS is a co-ed Canadian day and boarding school in British Columbia's Okanagan Valley, where local and international students learn together. Our IB programmes and Academics+ combine strong academics with Scholar-Athlete Academies and Enrichment programs built into the school day. Students discover their interests, develop skills and explore pathways beyond graduation.
UNISUS School
Gr: 7-12 | K-12 (day) | 165 students
Student-teacher ratio: 14:1
Avg. class size: 14 students
Acceptance rate: 80%
Tuition listed
7808 Pierre Dr
Summerland, Canada V0H 1Z2
(250) 404-3232
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Frequently Asked Questions

How many boarding schools with a dual language immersion program are there?
There are 30 boarding schools with a dual language immersion program.
What is the average tuition cost of boarding schools with a dual language immersion program?
The average tuition cost of boarding schools with a dual language immersion program is $65,656 per year.
What is the oldest boarding school with a dual language immersion program?
Harrow International School New York, founded in 1572, is the oldest boarding school with a dual language immersion program.
Which boarding school with a dual language immersion program has the lowest acceptance rate?
St. George's School has the lowest acceptance rate (19%) among boarding schools with a dual language immersion program.
Which boarding school with a dual language immersion program has the highest average SAT scores?
St. George's School has the highest average SAT scores (1420) among boarding schools with a dual language immersion program.

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