Chatham Hall Photo - Chatham Hall's variety of dynamic and unique programming includes the prestigious Leader and Writer in Residence programs, which bring world leaders to campus to meet with students. Past guests include Venus Williams, Jane Goodall, Gloria Steinem, and Elizabeth Acevedo.

Largest Student Body

Among "All-Girls Schools", view the boarding schools with the largest student bodies (2026-27).
School size comparisons are based on overall population of the school, not the number of boarding students at the school.
The balance between boarders and day students can also be another factor to consider when looking at school size.
# Students Range: 32 910 Avg. # Students: 268

Trends in Average Number of Students Per Boarding School

Largest Student Body

Among All-Girls Schools (out of 19 schools)

Sorted by range (alphabetically within range)
Boarding School
# Students
Grades
Location
Rank: #11
Branksome Hall
Branksome Hall Photo - Branksome Hall
All-Girls
(19)
# Students: 910
Grades: 7-12  | PK-12 (day)
10 Elm Avenue
Toronto, Canada m4w 1n4
(416) 920-9741
Rank: #22
Garrison Forest School
Garrison Forest School Photo - One of the entrances to Garrison Forest School.
All-Girls
# Students: 548
Grades: 8-12  | PK-12 (day)
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
Rank: #33
Dana Hall School
Dana Hall School Photo
All-Girls
(6)
# Students: 453
Grades: 9-12  | 5-12 (day)
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Rank: #44
Emma Willard School
Emma Willard School Photo
All-Girls
(9)
# Students: 350
Grades: 9-12, PG
285 Pawling Avenue
Troy, NY 12180
(518) 833-1320
Rank: #55
Miss Porter's School
Miss Porter's School Photo
All-Girls
(6)
# Students: 345
Grades: 9-12
60 Main Street
Farmington, CT 06032
(860) 409-3530
Rank: #66
The Madeira School
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.
All-Girls
(2)
# Students: 340
Grades: 9-12, PG
8328 Georgetown Pike
McLean, VA 22102
(703) 556-8273
Rank: #77
Saint Mary's School
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!
All-Girls (Episcopal)
(1)
# Students: 315
Grades: 9-12
900 Hillsborough Street
Raleigh, NC 27603
(919) 424-4100
Rank: #88
Grier School
Grier School Photo
All-Girls
(6)
# Students: 235
Grades: 7-12, PG  | 5-12, PG (day)
2522 Grier School Road
Tyrone, PA 16686
(814) 684-3000
Rank: #99
The Ethel Walker School
The Ethel Walker School Photo
All-Girls
# Students: 225
Grades: 7-12, PG
230 Bushy Hill Road
Simsbury, CT 06070
(860) 408-4200
Rank: #1010
Santa Catalina School
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.
All-Girls (Catholic)
(1)
# Students: 215
Grades: 9-12
1500 Mark Thomas Drive
Monterey, CA 93940
(831) 655-9356
Rank: #1111
Miss Hall's School
Miss Hall's School Photo
All-Girls
(6)
# Students: 200
Grades: 9-12, PG
492 Holmes Road
Pittsfield, MA 01201
(413) 499-1300
Rank: #1212
Westover School
Westover School Photo
All-Girls
(12)
# Students: 192
Grades: 9-12, PG
1237 Whittemore Rd.
Middlebury, CT 06762
(203) 577-4521
Rank: #1313
St. Timothy's School
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.
All-Girls (Episcopal)
(2)
# Students: 175
Grades: 9-12, PG
8400 Greenspring Avenue
Stevenson, MD 21153
(410) 486-7401
Rank: #1414
Foxcroft School
Foxcroft School Photo - Schoolhouse
All-Girls
(9)
# Students: 160
Grades: 9-12, PG
22407 Foxhound Lane
Middleburg, VA 20117
(540) 687-4340
Rank: #1515
Buffalo Seminary
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. ..
All-Girls
# Students: 151
Grades: 9-12, PG
205 Bidwell Parkway
Buffalo, NY 14222
(716) 885-6780
Rank: #1616
Chatham Hall
Chatham Hall Photo - Our students thrive in a dynamic environment designed specifically for their success.
All-Girls (Episcopal)
(5)
# Students: 111
Grades: 9-12
800 Chatham Hall Circle
Chatham, VA 24531
(434) 432-5516
Rank: #1717
Linden Hall School for Girls
Linden Hall School for Girls Photo
All-Girls
# Students: 90
Grades: 6-12, PG
212 E Main Street
Lititz, PA 17543
(717) 626-8512
Rank: #1818
Academy of the Holy Family
Academy of the Holy Family Photo - Ambassadors Club
All-Girls (Catholic)
# Students: 40
Grades: 9-12
54 W. Main Street Box 691
Baltic, CT 06330
(860) 822-6279
Rank: #1919
Oldfields School
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.
All-Girls
(13)
# Students: 32
Grades: 8-12, PG
1500 Glencoe Road
Sparks Glencoe, MD 21152
(443) 662-1009

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