Smallest Average Class Size

Among "All-Girls Schools", view the boarding schools with the smallest average class sizes (2024).
Keep in mind that small statistical differences in average class sizes between schools do not always indicate better student performance at one school or another.
Also keep in mind that boarding schools in general have smaller average class sizes than public schools - even for schools with larger class sizes, a "large" class in a boarding school would still often be considered small by public school standards which often have class sizes of 20 students.
# Students Range: 5 18 Avg. # Students: 11

Smallest Average Class Size

Among All-Girls Schools (out of 20 schools)

Sorted by range (alphabetically within range)
Boarding School
# Students
Grades
Location
Rank: #11
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: 5
Grades: 8-12, PG
1500 Glencoe Road
Sparks Glencoe, MD 21152
(443) 662-1009
Rank: #2-42.-4
Academy of the Holy Family
Academy of the Holy Family Photo - Ambassadors Club
All-Girls (Catholic)
# Students: 8
Grades: 9-12
54 W. Main Street Box 691
Baltic, CT 06330
(860) 822-6279
Rank: #2-42.-4
Chatham Hall
Chatham Hall Photo - Chatham Hall's campus was built to promote community and collaboration.
All-Girls (Episcopal)
(5)
# Students: 8
Grades: 9-12
800 Chatham Hall Circle
Chatham, VA 24531
(434) 432-5516
Rank: #2-42.-4
Linden Hall School for Girls
Linden Hall School for Girls Photo
All-Girls
# Students: 8
Grades: 6-12, PG
212 E Main Street
Lititz, PA 17543
(717) 626-8512
Rank: #55
Grier School
Grier School Photo
All-Girls
(6)
# Students: 9
Grades: 7-12, PG
2522 Grier School Road
Tyrone, PA 16686
(814) 684-3000
Rank: #6-76.-7
St. Margaret's School
St. Margaret's School Photo - College Preparedness: Challenge yourself with a collaborative STEAM curriculum and rigorous academics, including Advanced Placement and Dual Enrollment courses to start earning college credit. Our college counselor will help you to navigate the different colleges and degree fields to best prepare you for life after graduation from St. Margaret's.
All-Girls (Episcopal)
(7)
# Students: 10
Grades: 8-12, PG
PO Box 158, 444 Water Lane
Tappahannock, VA 22560
(804) 443-3357
Rank: #6-76.-7
Stoneleigh-Burnham School
Stoneleigh-Burnham School Photo - Our challenging and supportive learning environment encourages appropriate risk-taking by providing a safe space for making mistakes. Stoneleigh-Burnham School offers the International Baccalaureate (IB) Diploma Programme.
All-Girls
(15)
# Students: 10
Grades: 7-12, PG
574 Bernardston Road
Greenfield, MA 01301
(413) 774-2711
Rank: #88
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: 11
Grades: 9-12
1500 Mark Thomas Drive
Monterey, CA 93940
(831) 655-9356
Rank: #9-169.-16
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: 12
Grades: 9-12, PG
205 Bidwell Parkway
Buffalo, NY 14222
(716) 885-6780
Rank: #9-169.-16
Dana Hall School
Dana Hall School Photo - Dana Hall focuses on providing an education with purpose-one that is infused with helping girls navigate and articulate what's important to them.
All-Girls
(6)
# Students: 12
Grades: 9-12  | 5-12 (day)
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Rank: #9-169.-16
The Ethel Walker School
The Ethel Walker School Photo - Beaver Brook Building - This building houses many of our academic classes as well as administrative offices, meeting spaces, art rooms, and our computer lab.
All-Girls
# Students: 12
Grades: 7-12, PG  | 6-12, PG (day)
230 Bushy Hill Road
Simsbury, CT 06070
(860) 408-4200
Rank: #9-169.-16
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: 12
Grades: 9-12
8328 Georgetown Pike
McLean, VA 22102
(703) 556-8273
Rank: #9-169.-16
Miss Hall's School
Miss Hall's School Photo - A talented, supportive community of learners awaits you at MHS. Our faculty are dedicated mentors who are passionate about their subjects and creative in their teaching, unafraid to ditch the textbook in favor of collaborative, project-based learning.
All-Girls
(6)
# Students: 12
Grades: 9-12, PG
492 Holmes Road
Pittsfield, MA 01201
(413) 499-1300
Rank: #9-169.-16
Miss Porter's School
Miss Porter's School Photo
All-Girls
(5)
# Students: 12
Grades: 9-12
60 Main Street
Farmington, CT 06032
(860) 409-3530
Rank: #9-169.-16
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: 12
Grades: 9-12, PG
8400 Greenspring Avenue
Stevenson, MD 21153
(410) 486-7401
Rank: #9-169.-16
Westover School
Westover School Photo
All-Girls
(12)
# Students: 12
Grades: 9-12
1237 Whittemore Rd.
Middlebury, CT 06762
(203) 577-4521
Rank: #1717
Foxcroft School
Foxcroft School Photo - Schoolhouse
All-Girls
(9)
# Students: 13
Grades: 9-12, PG
22407 Foxhound Lane
Middleburg, VA 20117
(540) 687-4340
Rank: #18-1918.-19
Garrison Forest School
Garrison Forest School Photo - One of the entrances to Garrison Forest School.
All-Girls
# Students: 15
Grades: 8-12  | PK-12 (day)
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
Rank: #18-1918.-19
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: 15
Grades: 9-12
900 Hillsborough Street
Raleigh, NC 27603
(919) 424-4100
Rank: #2020
Branksome Hall
Branksome Hall Photo - Branksome Hall
All-Girls
# Students: >15
Grades: 7-12  | PK-12 (day)
10 Elm Avenue
Toronto, Canada m4w 1n4
(416) 920-9741

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