Among "Schools with 400+ Students", view the boarding schools with the lowest student:teacher ratio (2024-25).
Student:teacher ratios are only one indicator of student attention, as they merely indicate the number of adults on campus (in a teacher-related capacacity) relative to the number of students.
The student:teacher ratio is different than the average class size at a school and should not be confused as such.
S:T Ratio Range: 3:1
20:1
Avg. S:T Ratio: 8:1
Lowest Student:Teacher Ratio
Among Schools with 400+ Students (out of 94 schools)
Sorted by range (alphabetically within range)
Boarding School
S:T Ratio
Grades
Location
Rank: #11
S:T Ratio: 3:1
Grades: 9-12 | 2-12 (day)
429 Hale Street
Prides Crossing, MA 01965
(978) 236-3000
Prides Crossing, MA 01965
(978) 236-3000
Rank: #2-62.-6
S:T Ratio: 4:1
Grades: 9-12, PG | PK-12, PG (day)
6544 Murray Lane
Brentwood, TN 37027
(615) 507-3173
Brentwood, TN 37027
(615) 507-3173
Rank: #2-62.-6
S:T Ratio: 4:1
Grades: 6-12, PG
5650 Bollettieri Blvd
Bradenton, FL 34210
(800) 872-6425
Bradenton, FL 34210
(800) 872-6425
Rank: #2-62.-6
S:T Ratio: 4:1
Grades: 9-12, PG
4 Batchelder Road
Windsor, CT 06095
(860) 687-6400
Windsor, CT 06095
(860) 687-6400
Rank: #2-62.-6
S:T Ratio: 4:1
Grades: 9-12, PG
100 Academy Drive
Mercersburg, PA 17236
(717) 328-6173
Mercersburg, PA 17236
(717) 328-6173
Rank: #2-62.-6
S:T Ratio: 4:1
Grades: 9-12
1400 Lowell Road
Concord, MA 01742
(978) 371-6524
Concord, MA 01742
(978) 371-6524
Rank: #7-147.-14
S:T Ratio: 5:1
Grades: 9-12
1200 N. Quaker Lane
Alexandria, VA 22302
(703) 933-4062
Alexandria, VA 22302
(703) 933-4062
Rank: #7-147.-14
S:T Ratio: 5:1
Grades: 9-12
1 Elm Street
Byfield, MA 01922
(978) 499-3120
Byfield, MA 01922
(978) 499-3120
Rank: #7-147.-14
Kent School
(Episcopal)
S:T Ratio: 5:1
Grades: 9-12, PG
1 Macedonia Road
Kent, CT 06757
(860) 927-6111
Kent, CT 06757
(860) 927-6111
Rank: #7-147.-14
S:T Ratio: 5:1
Grades: 9-12
26 Powderhouse Road, P.O. Box 992
Groton, MA 01450
(978) 448-1530
Groton, MA 01450
(978) 448-1530
Rank: #7-147.-14
S:T Ratio: 5:1
Grades: 9-12 | K-12 (day)
170 Centre Street
Milton, MA 02186
(617) 898-2227
Milton, MA 02186
(617) 898-2227
Rank: #7-147.-14
S:T Ratio: 5:1
Grades: 9-12
325 Pleasant Street
Concord, NH 03301
(603) 229-4700
Concord, NH 03301
(603) 229-4700
Rank: #7-147.-14
S:T Ratio: 5:1
Grades: 9-12, PG
110 Woodbury Road
Watertown, CT 06795
(860) 945-7700
Watertown, CT 06795
(860) 945-7700
Rank: #7-147.-14
S:T Ratio: 5:1
Grades: 9-12, PG
995 Hopmeadow Street
Simsbury, CT 06070
(860) 408-3060
Simsbury, CT 06070
(860) 408-3060
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12, PG
500 Old Farms Road
Avon, CT 06001
(800) 464-2866
Avon, CT 06001
(800) 464-2866
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12, PG
2 Park St
Blairstown, NJ 07825
(908) 362-2009
Blairstown, NJ 07825
(908) 362-2009
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12, PG
333 Christian Street
Wallingford, CT 06492
(203) 697-2239
Wallingford, CT 06492
(203) 697-2239
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12
1300 Academy Road
Culver, IN 46511
(574) 842-7100
Culver, IN 46511
(574) 842-7100
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12 | 5-12 (day)
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Wellesley, MA 02482
(781) 489-1331
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12, PG
7 Boyden Lane
Deerfield, MA 01342
(413) 774-1400
Deerfield, MA 01342
(413) 774-1400
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 7-9 | K-9 (day)
48 Main Street
Southborough, MA 01772
(508) 490-8201
Southborough, MA 01772
(508) 490-8201
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12, PG
4000 J Maddy Pkwy
Interlochen, MI 49643
(231) 276-7472
Interlochen, MI 49643
(231) 276-7472
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12, PG
One Lamplighter Way
Mount Hermon, MA 01354
(413) 498-3227
Mount Hermon, MA 01354
(413) 498-3227
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12, PG
20 Main Street
Exeter, NH 03833
(603) 777-3437
Exeter, NH 03833
(603) 777-3437
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12 | PK-12 (day)
3400 Richmond Road
Victoria, Canada V8P 4P5
(250) 370-6170
Victoria, Canada V8P 4P5
(250) 370-6170
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12 | PK-12 (day)
1 Community School Drive
Sun Valley, ID 83353
(208) 622-3960
Sun Valley, ID 83353
(208) 622-3960
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 6-12, PG | PK-12, PG (day)
Via Collina d'Oro
Montagnola, Switzerland 6926
41919605151
Montagnola, Switzerland 6926
41919605151
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12
1175 West Baseline Road
Claremont, CA 91711
(909) 482-5214
Claremont, CA 91711
(909) 482-5214
Rank: #15-2915.-29
S:T Ratio: 6:1
Grades: 9-12, PG
115 College Street
Hudson, OH 44236
(330) 650-9717
Hudson, OH 44236
(330) 650-9717
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 9-12 | Pre-K-12 (day)
827 N Tacoma Ave
Tacoma, WA 98403
(253) 284-8603
Tacoma, WA 98403
(253) 284-8603
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 9-12
1690 Newtown Langhorne Road
Newtown, PA 18940
(215) 579-6547
Newtown, PA 18940
(215) 579-6547
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 6-12 | PK-12 (day)
Chem. de Pangires 26
Saint-Légier-La Chiésaz, Switzerland 1806
412155550
Saint-Légier-La Chiésaz, Switzerland 1806
412155550
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 9-12, PG
860 Beech Street
Pottstown, PA 19464
(610) 326-1000
Pottstown, PA 19464
(610) 326-1000
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 9-12, PG
1500 West Kennedy Road
Lake Forest, IL 60045
(847) 615-3267
Lake Forest, IL 60045
(847) 615-3267
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 9-12, PG
2500 Main Street
Lawrenceville, NJ 08648
(609) 895-2030
Lawrenceville, NJ 08648
(609) 895-2030
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 7-12 | 5-12 (day)
60 Knox Lane
Wheeling, WV 26003
(304) 233-1436
Wheeling, WV 26003
(304) 233-1436
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 9-12, PG | 6-12, PG (day)
500 Dodds Avenue
Chattanooga, TN 37404
(423) 624-8300
Chattanooga, TN 37404
(423) 624-8300
Rank: #30-4430.-44
Oregon Episcopal School
(Episcopal)
S:T Ratio: 7:1
Grades: 9-12, PG | PK-12, PG (day)
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
Portland, OR 97223
(503) 768-3115
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 9-12, PG
180 Main Street
Andover, MA 01810
(978) 749-4050
Andover, MA 01810
(978) 749-4050
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 8-12 | PK-12 (day)
5521 East Warm Springs Avenue
Boise, ID 83716
(208) 424-5000
Boise, ID 83716
(208) 424-5000
Rank: #30-4430.-44
Trinity College School
(Anglican)
S:T Ratio: 7:1
Grades: 9-12 | 5-12 (day)
55 Deblaquire St N.
Port Hope, Canada L1A4K7
(905) 885-3209
Port Hope, Canada L1A4K7
(905) 885-3209
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 7-12 | 6-12 (day)
319 Webb Road East
Bell Buckle, TN 37020
(931) 389-6003
Bell Buckle, TN 37020
(931) 389-6003
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 9-12 | 6-12 (day)
302 Portola Road
Portola Valley, CA 94028
(650) 851-8223
Portola Valley, CA 94028
(650) 851-8223
Rank: #30-4430.-44
S:T Ratio: 7:1
Grades: 9-12, PG | 6-12, PG (day)
81 Providence Street
Worcester, MA 01604
(508) 459-5481
Worcester, MA 01604
(508) 459-5481
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12 | 4-12 (day)
362 Mariposa Avenue
Ottawa, Canada K1M 0T3
(613) 749-9630
Ottawa, Canada K1M 0T3
(613) 749-9630
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 6-12 | PK-12 (day)
234 Global edu-ro, Daejeong-eup, Seogwipo-si
Jeju-do, South Korea 63644
82649025000
Jeju-do, South Korea 63644
82649025000
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12, PG | 8-12, PG (day)
2735 Mt. Baker Road
Mill Bay, BC V8H 1K8, Canada 1
(250) 743-5521
Mill Bay, BC V8H 1K8, Canada 1
(250) 743-5521
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12 | PK-12 (day)
PO Box 801 39221 Woodward Ave.
Bloomfield Hills, MI 48303
(248) 645-3610
Bloomfield Hills, MI 48303
(248) 645-3610
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12
10900 Rockville Pike
North Bethesda, MD 20852
(301) 214-1215
North Bethesda, MD 20852
(301) 214-1215
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12, PG | 6-12, PG (day)
176 Edgerstoune Road
Princeton, NJ 08540
(609) 921-7600
Princeton, NJ 08540
(609) 921-7600
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12 | PK-12 (day)
4254 Colonial Avenue
Roanoke, VA 24018
(540) 989-6641
Roanoke, VA 24018
(540) 989-6641
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 7-12 | PK-12 (day)
339 Nacoochee Drive
Rabun Gap, GA 30568
(706) 746-7720
Rabun Gap, GA 30568
(706) 746-7720
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 6-12, PG | PK-12, PG (day)
2 Ridley Road
St.Catharines, Canada L2R7C3
(905) 684-1889
St.Catharines, Canada L2R7C3
(905) 684-1889
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12
3900 Jog Road
Boca Raton, FL 33434
(561) 210-2020
Boca Raton, FL 33434
(561) 210-2020
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12, PG
1000 Main Street, PO Box 906
St. Johnsbury, VT 05819
(802) 751-2130
St. Johnsbury, VT 05819
(802) 751-2130
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 8-12 | 6-12 (day)
6500 St. Stephen's Drive
Austin, TX 78746
(512) 327-1213
Austin, TX 78746
(512) 327-1213
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12
423 Fox Chapel Road
Pittsburgh, PA 15238
(412) 968-3180
Pittsburgh, PA 15238
(412) 968-3180
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 8-12
1975 Renfrew Road
Shawnigan Lake, BC, Canada V0R2W1
(250) 743-6207
Shawnigan Lake, BC, Canada V0R2W1
(250) 743-6207
Rank: #45-5945.-59
S:T Ratio: 8:1
Grades: 9-12, PG
201 N. Sprague Ave.
Kingston, PA 18704
(570) 270-2160
Kingston, PA 18704
(570) 270-2160
Rank: #60-6960.-69
S:T Ratio: 9:1
Grades: 9-12 | 6-12 (day)
171 Baylor School Road
Chattanooga, TN 37405
(423) 267-5902
Chattanooga, TN 37405
(423) 267-5902
Rank: #60-6960.-69
S:T Ratio: 9:1
Grades: 8-12 | PK-12 (day)
1051 N Houston
Bullard, TX 75757
(903) 894-5000
Bullard, TX 75757
(903) 894-5000
Rank: #60-6960.-69
Chaminade College Preparatory School
All-Boys (Catholic)
S:T Ratio: 9:1
Grades: 6-12
425 South Lindbergh Blvd.
St. Louis, MO 63131
(314) 692-6645
St. Louis, MO 63131
(314) 692-6645
Rank: #60-6960.-69
Garrison Forest School
All-Girls
S:T Ratio: 9:1
Grades: 8-12 | PK-12 (day)
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
Owings Mills, MD 21117
(410) 559-3111
Rank: #60-6960.-69
S:T Ratio: 9:1
Grades: 9-12, PG
PO Box 127, 168 Institute Circle
Lyndon Center, VT 05850
(802) 535-3700
Lyndon Center, VT 05850
(802) 535-3700
Rank: #60-6960.-69
S:T Ratio: 9:1
Grades: PK-12
1201 Homestead Lane
Hershey, PA 17033
(717) 520-2000
Hershey, PA 17033
(717) 520-2000
Rank: #60-6960.-69
S:T Ratio: 9:1
Grades: 8-12 | K-12 (day)
400 South Drive
Winnipeg, Canada 00000
(204) 477-2400
Winnipeg, Canada 00000
(204) 477-2400
Rank: #60-6960.-69
The Stony Brook School
(Christian)
S:T Ratio: 9:1
Grades: 7-12
1 Chapman Parkway
Stony Brook, NY 11790
(631) 751-1800
Stony Brook, NY 11790
(631) 751-1800
Rank: #60-6960.-69
S:T Ratio: 9:1
Grades: 7-12 | 4-12 (day)
201 Campus Drive, PO Box 10
Tallulah Falls, GA 30573
(706) 754-0400
Tallulah Falls, GA 30573
(706) 754-0400
Rank: #60-6960.-69
S:T Ratio: 9:1
Grades: 6-12 | PK-12 (day)
13051 Whittington Drive
Houston, TX 77077
(281) 496-7900
Houston, TX 77077
(281) 496-7900
Rank: #70-8070.-80
S:T Ratio: 10:1
Grades: 9-12 | 6-12 (day)
2100 Mt. Diablo Scenic Blvd.
Danville, CA 94506
(925) 362-7223
Danville, CA 94506
(925) 362-7223
Rank: #70-8070.-80
S:T Ratio: 10:1
Grades: 9-12, PG | PK-12, PG (day)
7400 San Jose Blvd.
Jacksonville, FL 32217
(904) 256-5030
Jacksonville, FL 32217
(904) 256-5030
Rank: #70-8070.-80
S:T Ratio: 10:1
Grades: 9-12, PG | PK-12, PG (day)
1014 Cave Spring Road, SW
Rome, GA 30161
(706) 236-0436
Rome, GA 30161
(706) 236-0436
Rank: #70-8070.-80
S:T Ratio: 10:1
Grades: 9-12, PG
745 Main Street
Fryeburg, ME 04037
(207) 935-2013
Fryeburg, ME 04037
(207) 935-2013
Rank: #70-8070.-80
Iolani School
(Episcopal)
S:T Ratio: 10:1
Grades: 9-12 | K-12 (day)
563 Kamoku Street
Honolulu, HI 96826
(808) 943-2379
Honolulu, HI 96826
(808) 943-2379
Rank: #70-8070.-80
S:T Ratio: 10:1
Grades: 8-12 | K-12 (day)
1215 Rice Lake Rd
Duluth, MN 55811
(218) 727-7266
Duluth, MN 55811
(218) 727-7266
Rank: #70-8070.-80
S:T Ratio: 10:1
Grades: 6-12 | Pre-K-12 (day)
7600 Lyons Road
Coconut Creek, FL 33073
(954) 247-0179
Coconut Creek, FL 33073
(954) 247-0179
Rank: #70-8070.-80
S:T Ratio: 10:1
Grades: 9-12 | PK-12 (day)
2132 Ivy Road
Charlottesville, VA 22903
(434) 296-5106
Charlottesville, VA 22903
(434) 296-5106
Rank: #70-8070.-80
St. George's School, Vancouver
All-Boys
S:T Ratio: 10:1
Grades: 8-12 | K-12 (day)
4175 West 29th Avenue
Vancouver, BC, Canada V6S1V1
(604) 221-3890
Vancouver, BC, Canada V6S1V1
(604) 221-3890
Rank: #70-8070.-80
St. Mary's School
(Catholic)
S:T Ratio: 10:1
Grades: 6-12 | 5-12 (day)
816 Black Oak Drive
Medford, OR 97504
(541) 773-7877
Medford, OR 97504
(541) 773-7877
Rank: #70-8070.-80
S:T Ratio: 10:1
Grades: 9-12 | PK-12 (day)
3152 Forest Lake Road
Pebble Beach, CA 93953
(831) 625-8309
Pebble Beach, CA 93953
(831) 625-8309
Rank: #81-8281.-82
Branksome Hall
All-Girls
S:T Ratio: 12:1
Grades: 7-12 | PK-12 (day)
10 Elm Avenue
Toronto, Canada m4w 1n4
(416) 920-9741
Toronto, Canada m4w 1n4
(416) 920-9741
Rank: #81-8281.-82
The Fessenden School
All-Boys
S:T Ratio: 12:1
Grades: 5-9 | PK-9 (day)
250 Waltham Street
West Newton, MA 02465
(617) 630-2300
West Newton, MA 02465
(617) 630-2300
Rank: #83-8683.-86
Cotter Schools
(Catholic)
S:T Ratio: 13:1
Grades: 7-12 | PK-12 (day)
1115 West Broadway Street
Winona, MN 55987
(507) 453-5102
Winona, MN 55987
(507) 453-5102
Rank: #83-8683.-86
St. Croix Academy
(Christian)
S:T Ratio: 13:1
Grades: 6-12
1200 Oakdale Ave.
St. Paul, MN 55118
(651) 455-1521
St. Paul, MN 55118
(651) 455-1521
Rank: #83-8683.-86
S:T Ratio: 13:1
Grades: 7-12 | PK-12 (day)
6189 Winter Garden-Vineland Rd
Windermere, FL 34786
(407) 905-7737
Windermere, FL 34786
(407) 905-7737
Rank: #83-8683.-86
S:T Ratio: 13:1
Grades: 9-12
330 N. Glenview Avenue
Milwaukee , WI 53213
(414) 453-4567
Milwaukee , WI 53213
(414) 453-4567
Rank: #8787
S:T Ratio: 14:1
Grades: 9-12, PG
975 West Main Street
Dover Foxcroft, ME 04426
(207) 564-8664
Dover Foxcroft, ME 04426
(207) 564-8664
Rank: #88-9188.-91
S:T Ratio: 15:1
Grades: 8-12 | K-12 (day)
501 Park Street North
St. Petersburg, FL 33710
(727) 384-5504
St. Petersburg, FL 33710
(727) 384-5504
Rank: #88-9188.-91
S:T Ratio: 15:1
Grades: 9-12
1003 Main Street West
Hamilton, Canada L8S 4P3
(905) 572-7883
Hamilton, Canada L8S 4P3
(905) 572-7883
Rank: #88-9188.-91
S:T Ratio: 15:1
Grades: 7-12 | PK-12 (day)
202 Smothers Road
Seymour, TN 37865
(865) 573-8321
Seymour, TN 37865
(865) 573-8321
Rank: #88-9188.-91
S:T Ratio: 15:1
Grades: 9-12, PG
101 West College Blvd
Roswell, NM 88201
(800) 421-5376
Roswell, NM 88201
(800) 421-5376
Rank: #9292
S:T Ratio: 17:1
Grades: 9-12
1500 Royal Street
Regina, Canada S4T 5A5
(306) 205-3738
Regina, Canada S4T 5A5
(306) 205-3738
Rank: #9393
S:T Ratio: 18:1
Grades: 9-12 | Pre-K-12 (day)
1 Morris Street
New York, NY 10004
(212) 232-0266
New York, NY 10004
(212) 232-0266
Rank: #9494
S:T Ratio: 20:1
Grades: 8-12
955 Harbourside Drive
North Vancouver, BC, Canada V7P 3S4
(604) 998-1000
North Vancouver, BC, Canada V7P 3S4
(604) 998-1000
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