For the 2025-26 school year, there are 177 college-preparatory and junior boarding schools that offer ESL (English as a Second Language), serving 64,285 students.
You can also browse our full boarding school directory or specify additional search criteria.
Top English as a Second Language Boarding Schools (2025-26)
School
Location
Quick Facts
501 Park Street North
St. Petersburg, FL 33710
(727) 384-5504
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
160 Dundas Street West
Belleville, Canada K8P 1A6
(613) 968-5726
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
120 Prospect Street
Fitchburg, MA 01420
(978) 342-6053
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
2605 Carlsbad Blvd.
Carlsbad, CA 92008
(888) 762-2338
Carlsbad, CA 92008
(888) 762-2338
Gr: 7-12 | 285 students Student-teacher ratio: 13:1 Avg. class size: 13 students Acceptance rate: 73% Tuition listed
362 Mariposa Avenue
Ottawa, Canada K1M 0T3
(613) 749-9630
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
54-230 Kamehameha Hwy
Hauula, HI 96717
(808) 670-1909
Hauula, HI 96717
(808) 670-1909
Gr: 5-12, PG | K-12, PG (day) | 130 students Student-teacher ratio: 10:1 Avg. class size: 12 students Acceptance rate: 90% Tuition listed
2100 Mt. Diablo Scenic Blvd.
Danville, CA 94506
(925) 362-7223
Danville, CA 94506
(925) 362-7223
Gr: 9-12 | 6-12 (day) | 525 students Student-teacher ratio: 10:1 Avg. class size: 15 students Tuition listed
PO Box 100
Wilcox, Canada S0G5E0
(306) 732-1203
Wilcox, Canada S0G5E0
(306) 732-1203
Gr: 9-12 | 300 students Student-teacher ratio: 9:1 Avg. class size: 16 students Acceptance rate: 80% Tuition listed
94 Old Main Street, PO Box 8
Deerfield, MA 01342
(413) 774-4209
Deerfield, MA 01342
(413) 774-4209
Gr: 3-9 | K-9 (day) | 226 students Student-teacher ratio: 5:1 Avg. class size: 12 students Acceptance rate: 55% Tuition listed
8585 Ojai Santa Paula Road
Ojai, CA 93023
(805) 646-4343
Ojai, CA 93023
(805) 646-4343
Gr: 9-12, PG | 100 students Student-teacher ratio: 4:1 Avg. class size: 8 students Acceptance rate: 50% Tuition listed
80 chemin Moulton Hill
Sherbrooke, Quebec, Canada J1M 1Z8
(819) 566-0238
Sherbrooke, Quebec, Canada J1M 1Z8
(819) 566-0238
Gr: 7-12 | 270 students Student-teacher ratio: 8:1 Avg. class size: 15 students Tuition listed
273 Mayo Drive
St. George, VA 22935
(434) 985-2811
St. George, VA 22935
(434) 985-2811
Gr: 9-12 | 170 students Student-teacher ratio: 6:1 Avg. class size: 9 students Acceptance rate: 65% Tuition listed
955 Harbourside Drive
North Vancouver, BC, Canada V7P 3S4
(604) 998-1000
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
7400 San Jose Blvd.
Jacksonville, FL 32217
(904) 256-5030
Jacksonville, FL 32217
(904) 256-5030
Gr: 9-12, PG | Pre-K-12, PG (day) | 1,756 student Student-teacher ratio: 10:1 Avg. class size: 15 students Acceptance rate: 34% Tuition listed
234 Global edu-ro, Daejeong-eup, Seogwipo-si
Jeju-do, South Korea 63644
82649025000
Jeju-do, South Korea 63644
82649025000
Gr: 6-12 | PK-12 (day) | 1,200 student Student-teacher ratio: 8:1 Avg. class size: 20 students Acceptance rate: 50% Tuition listed
80 Academy Drive
Wolfeboro, NH 03894
(603) 569-7200
Wolfeboro, NH 03894
(603) 569-7200
Gr: 9-12, PG | 350 students Student-teacher ratio: 6:1 Avg. class size: 11 students Acceptance rate: 50% Tuition listed
88 Bronte College Court
Mississauga, Ontario, Canada L5B1M9
(905) 270-7788
Mississauga, Ontario, Canada L5B1M9
(905) 270-7788
Gr: 9-12 | 400 students Student-teacher ratio: 18:1 Avg. class size: 18 students Acceptance rate: 80% Tuition listed
1051 N Houston
Bullard, TX 75757
(903) 894-5000
Bullard, TX 75757
(903) 894-5000
Gr: 8-12 | Pre-K-12 (day) | 900 students Student-teacher ratio: 9:1 Avg. class size: 14 students Acceptance rate: 71% Tuition listed
Buxton School
(4)
291 South Street
Williamstown, MA 01267
(413) 458-3919
Williamstown, MA 01267
(413) 458-3919
Gr: 9-12, PG | 50 students Student-teacher ratio: 5:1 Avg. class size: 7 students Tuition listed
300 Calverton School Rd
Huntingtown, MD 20639
(410) 535-0216
Huntingtown, MD 20639
(410) 535-0216
Gr: 8-12, PG | Pre-K-12, PG (day) | 323 students Student-teacher ratio: 7:1 Avg. class size: 12 students Tuition listed
520 Hwy. 1 North
Camden, SC 29020
(803) 432-6001
Camden, SC 29020
(803) 432-6001
Gr: 7-12, PG | 300 students Student-teacher ratio: 12:1 Avg. class size: 12 students Acceptance rate: 80% Tuition listed
62 Alumni Drive
Canaan, NH 03741
(603) 523-3548
Canaan, NH 03741
(603) 523-3548
Gr: 6-9 | 235 students Student-teacher ratio: 4:1 Avg. class size: 12 students Acceptance rate: 74% Tuition listed
2001 Washington Street
Braintree, MA 02184
(857) 400-9700
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
Chaminade College Preparatory School![Chaminade College Preparatory School Photo - Chaminade is located 20 minutes outside of Downtown St. Louis in the lovely, safe, green neighborhood of Creve Coeur. Our 55 acre campus is fun and lively throughout the school year and a wonderful place not only to study and play but also to become part of the family.]( "Chaminade College Preparatory School Photo - Chaminade is located 20 minutes outside of Downtown St. Louis in the lovely, safe, green neighborhood of Creve Coeur. Our 55 acre campus is fun and lively throughout the school year and a wonderful place not only to study and play but also to become part of the family.")
(Catholic)
425 South Lindbergh Blvd.
St. Louis, MO 63131
(314) 692-6645
St. Louis, MO 63131
(314) 692-6645
Gr: 6-12 | 800 students Student-teacher ratio: 9:1 Avg. class size: 17 students Tuition listed
800 Chatham Hall Circle
Chatham, VA 24531
(434) 432-5516
Chatham, VA 24531
(434) 432-5516
Gr: 9-12 | 120 students Student-teacher ratio: 6:1 Avg. class size: 8 students Tuition listed
Christchurch School![Christchurch School Photo - "Set your course at the river. " Established in the Episcopal tradition, Christchurch is inclusive, welcoming students and families of all faiths and backgrounds.]( "Christchurch School Photo - \"Set your course at the river. \" Established in the Episcopal tradition, Christchurch is inclusive, welcoming students and families of all faiths and backgrounds.")
(Episcopal)
49 Seahorse Lane
Christchurch, VA 23031
(804) 542-6843
Christchurch, VA 23031
(804) 542-6843
Gr: 9-12 | 220 students Student-teacher ratio: 6:1 Avg. class size: 12 students Acceptance rate: 73% Tuition listed
Route de Sauverny 74
Geneva, Switzerland 1290
41227755656
Geneva, Switzerland 1290
41227755656
Gr: 4-12 | PK-12 (day) | 1,800 student Tuition listed
500 Holden Way
Carbondale, CO 81623
(970) 963-2562
Carbondale, CO 81623
(970) 963-2562
Gr: 9-12 | 164 students Student-teacher ratio: 5:1 Avg. class size: 12 students Acceptance rate: 55% Tuition listed
454 Academy Drive
Durango, CO 81301
(970) 247-5898
Durango, CO 81301
(970) 247-5898
Gr: 9-12, PG | 40 students Student-teacher ratio: 5:1 Avg. class size: 6 students Acceptance rate: 90% Tuition listed
1003 Main Street West
Hamilton, Canada L8S 4P3
(905) 572-7883
Hamilton, Canada L8S 4P3
(905) 572-7883
Gr: 9-12 | 1,700 student Student-teacher ratio: 15:1 Avg. class size: 17 students Acceptance rate: 86% Tuition listed
Cotter Schools![Cotter Schools Photo]( "Cotter Schools Photo")
(Catholic)
1115 West Broadway Street
Winona, MN 55987
(507) 453-5102
Winona, MN 55987
(507) 453-5102
Gr: 7-12 | PK-12 (day) | 450 students Student-teacher ratio: 13:1 Avg. class size: 16 students Acceptance rate: 93% Tuition listed
PO Box 801 39221 Woodward Ave.
Bloomfield Hills, MI 48303
(248) 645-3610
Bloomfield Hills, MI 48303
(248) 645-3610
Gr: 9-12 | PK-12 (day) | 810 students Student-teacher ratio: 8:1 Avg. class size: 16 students Acceptance rate: 38% Tuition listed
1300 Academy Road
Culver, IN 46511
(574) 842-7100
Culver, IN 46511
(574) 842-7100
Gr: 9-12 | 835 students Student-teacher ratio: 6:1 Avg. class size: 14 students Acceptance rate: 49% Tuition listed
39 School Street
Ashburnham, MA 01430
(978) 827-7300
Ashburnham, MA 01430
(978) 827-7300
Gr: 9-12, PG | 385 students Student-teacher ratio: 6:1 Avg. class size: 12 students Tuition listed
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