Boarding School Review - Established 2003
Grier School
Miss Hall's School
Stoneleigh-Burnham School

Highest Percentage International

Among "All-Girls Schools", view the boarding schools with the highest percentage of boarding students (2026).
The percentage of boarding students at a school is only an indicator of the balance between boarding students and day students.
Many boarding schools with a smaller percentage of boarders still have very strong boarding programs, so it helps to look individually at each school.
Grier School
Miss Hall's School
Stoneleigh-Burnham School
Academy of the Holy Family
St. Timothy's School
Santa Catalina School
Westover School
Branksome Hall
Chatham Hall
Emma Willard School
Buffalo Seminary
Dana Hall School
The Ethel Walker School
Foxcroft School
Garrison Forest School
The Madeira School
Miss Porter's School
Oldfields School
Saint Mary's School
% Inter-National Students Range: 7% 38% Avg. % Inter-National Students: 21%

Quick Facts (2026)

  • # Boarding Schools: 19

Highest Percentage International

Among All-Girls Schools (out of 19 schools)

Sorted by range (alphabetically within range)
Grier School Photo
#1(T1–T2)Grier School
Gr: 7-12, PG | 5-12, PG (day)
All-girls
2522 Grier School Road
Tyrone, PA 16686
(814) 684-3000
(6)
35%-40%% Inter-National Students
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Miss Hall's School Photo
#1(T1–T2)Miss Hall's School
Gr: 9-12, PG
All-girls
492 Holmes Road
Pittsfield, MA 01201
(413) 499-1300
(4)
35%-40%% Inter-National Students
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Stoneleigh-Burnham School Photo - Stoneleigh-Burnham offers one of the premier equestrian centers among secondary schools in the United States. Our equestrian center is located on campus and every rider, from the complete novice to the advanced jumper, receives personalized instruction from experienced coaches that reflects their interests, goals, and abilities.
#3Stoneleigh-Burnham School
Gr: 7-12, PG
All-girls
574 Bernardston Road
Greenfield, MA 01301
(413) 774-2711
(15)
30%-35%% Inter-National Students
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Academy of the Holy Family Photo - Ambassadors Club
#4(T4–T7)Academy of the Holy Family
Gr: 9-12
All-girls (Roman Catholic)
54 W. Main Street Box 691
Baltic, CT 06330
(860) 822-6279
25%-30%% Inter-National Students
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St. Timothy's School Photo - Completed in 2012, Dixon Hall is our state-of-the-art academic building. The technology-rich facility features the Taft Lecture Hall, the Coleman World Languages and Cultures Center, and a Center for Learning and Teaching.
#4(T4–T7)St. Timothy's School
Gr: 9-12, PG
All-girls (Episcopal)
8400 Greenspring Avenue
Stevenson, MD 21153
(410) 486-7401
(2)
25%-30%% Inter-National Students
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Santa Catalina School Photo - Come visit our beautiful campus in Monterey, California! Call the admission office at 831.655.9356 or email admission@santacatalina.org to schedule your visit.
#4(T4–T7)Santa Catalina School
Gr: 9-12
All-girls (Catholic)
1500 Mark Thomas Drive
Monterey, CA 93940
(831) 655-9356
(1)
25%-30%% Inter-National Students
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Westover School Photo
#4(T4–T7)Westover School
Gr: 9-12
All-girls
1237 Whittemore Rd.
Middlebury, CT 06762
(203) 577-4521
(12)
25%-30%% Inter-National Students
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Branksome Hall Photo - Branksome Hall
#8(T8–T10)Branksome Hall
Gr: 7-12 | PK-12 (day)
All-girls
10 Elm Avenue
Toronto, Canada m4w 1n4
(416) 920-9741
20%-25%% Inter-National Students
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Chatham Hall Photo - Our students thrive in a dynamic environment designed specifically for their success.
#8(T8–T10)Chatham Hall
Gr: 9-12
All-girls (Episcopal)
800 Chatham Hall Circle
Chatham, VA 24531
(434) 432-5516
(5)
20%-25%% Inter-National Students
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Emma Willard School Photo
#8(T8–T10)Emma Willard School
Gr: 9-12, PG
All-girls
285 Pawling Avenue
Troy, NY 12180
(518) 833-1320
(9)
20%-25%% Inter-National Students
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Buffalo Seminary Photo - Our oldest tradition may be forward thinking but we are anchored in many other traditions too. Roses and white dresses for commencement. Our Social & Academic Honor Code. Morning Meeting to start the day. ..
#11(T11–T21)Buffalo Seminary
Gr: 9-12, PG
All-girls (non-sectarian)
205 Bidwell Parkway
Buffalo, NY 14222
(716) 885-6780
<20%% Inter-National Students
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Dana Hall School Photo
#11(T11–T21)Dana Hall School
Gr: 9-12 | 5-12 (day)
All-girls
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
(6)
<20%% Inter-National Students
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The Ethel Walker School Photo
#11(T11–T21)The Ethel Walker School
Gr: 7-12, PG | 6-12, PG (day)
All-girls
230 Bushy Hill Road
Simsbury, CT 06070
(860) 408-4200
<20%% Inter-National Students
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Foxcroft School Photo - Schoolhouse
#11(T11–T21)Foxcroft School
Gr: 9-12, PG
All-girls
22407 Foxhound Lane
Middleburg, VA 20117
(540) 687-4340
(9)
<20%% Inter-National Students
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Garrison Forest School Photo - One of the entrances to Garrison Forest School.
#11(T11–T21)Garrison Forest School
Gr: 8-12 | PK-12 (day)
All-girls
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
<20%% Inter-National Students
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The Madeira School Photo - Madeira's 376-acre campus in McLean, Virginia, overlooks the Potomac River from a perch just 12 miles northwest of Washington, D.C.
#11(T11–T21)The Madeira School
Gr: 9-12
All-girls
8328 Georgetown Pike
McLean, VA 22102
(703) 556-8273
(2)
<20%% Inter-National Students
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Miss Porter's School Photo
#11(T11–T21)Miss Porter's School
Gr: 9-12
All-girls
60 Main Street
Farmington, CT 06032
(860) 409-3530
(5)
<20%% Inter-National Students
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Oldfields School Photo - Oldfields School`s Mission is to embrace each student`s authentic self, educate through collaboration, empower the individual voice, and inspire confidence and continual growth, leading to a life of purpose.
#11(T11–T21)Oldfields School
Gr: 8-12, PG
All-girls (non-sectarian)
1500 Glencoe Road
Sparks Glencoe, MD 21152
(443) 662-1009
(12)
<20%% Inter-National Students
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Saint Mary's School Photo - At Saint Mary's School, girls take center stage. We know girls and we know the all-girl learning environment at Saint Mary's School inspires girls to step outside their comfort zone, engage their minds, amplify their voices, and discover who they are and who they want to become!
#11(T11–T21)Saint Mary's School
Gr: 9-12
All-girls (Episcopal)
900 Hillsborough Street
Raleigh, NC 27603
(919) 424-4100
(1)
<20%% Inter-National Students
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