Smallest Average Class Size (2017-2018)

All Schools
All Schools 
400+ students
400+ students 
200-400 students
200-400 students 
< 200 students
< 200 students 
More
  • Among "All-Girls Schools", view the boarding schools with the smallest average class sizes.
  • 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.

Smallest Average Class Size

Among All-Girls Schools (out of 24 schools)

Sorted by range (alphabetically within range)
  • Boarding School # Students Grades Location
  • 1.-3.
    Academy of the Holy Family
    All-Girls  (Catholic)
    8
    Grades: 9-12
    54 W. Main Street Box 691
    BalticCT 06330
    860-822-6279
  • 1.-3.
    Chatham Hall
    All-Girls  (Episcopal)
    8

    Grades: 9-12
    800 Chatham Hall Circle
    ChathamVA 24531
    434-432-5516
  • 1.-3.
    Oldfields School
    All-Girls 
    8

    Grades: 8-12, PG
    1500 Glencoe Road
    Sparks GlencoeMD 21152
    410-472-4800
  • 4.-7.
    Grier School
    All-Girls 
    9
    Grades: 7-12, PG
    P.O. Box 308
    TyronePA 16686
    814-684-3000
  • 4.-7.
    Purnell School
    All-Girls 
    9

    Grades: 9-12, PG
    51 Pottersville Road, P.O. Box 500
    PottersvilleNJ 07979
    908-439-4009
Sorted by range (alphabetically within range)
  • Boarding School # Students Grades Location
  • 6.-7.
    St. Timothy's School
    All-Girls  (Episcopal)
    9
    Grades: 9-12, PG
    8400 Greenspring Avenue
    StevensonMD 21153
    410-486-7401
  • 6.-7.
    9

    Grades: 7-12, PG
    574 Bernardston Road
    GreenfieldMA 01301
    413-774-2711
  • 8.-11.
    Linden Hall School
    All-Girls 
    10
    Grades: 6-12, PG
    212 East Main Street
    LititzPA 17543
    717-626-8512
  • 8.-11.
    Miss Hall's School
    All-Girls 
    10

    Grades: 9-12, PG
    492 Holmes Road, PO Box 1166
    PittsfieldMA 01201
    413-499-1300
  • 8.-11.
    10

    Grades: 9-12
    60 Main Street
    FarmingtonCT 06032
    8604093530
  • 8.-11.
    St. Margaret's School
    All-Girls  (Episcopal)
    10

    Grades: 8-12
    PO Box 158, 444 Water Lane
    TappahannockVA 22560
    804-443-3357
  • 12.-13.
    Buffalo Seminary
    All-Girls 
    11
    Grades: 9-12, PG
    205 Bidwell Parkway
    BuffaloNY 14222
    716-885-6780
  • 12.-13.
    Westover School
    All-Girls 
    11

    Grades: 9-12
    1237 Whittemore Rd., P.O. Box 847
    MiddleburyCT 06762
    203-577-4521
  • 14.-18.
    Dana Hall School
    All-Girls 
    12
    Grades: 9-12
    45 Dana Road
    WellesleyMA 02482
    781-235-3010 x2531
  • 14.-18.
    12

    Grades: 9-12, PG | 6-12, PG (day)
    230 Bushy Hill Road
    SimsburyCT 06070
    860-408-4200
  • 14.-18.
    Foxcroft School
    All-Girls 
    12

    Grades: 9-12, PG
    P.O. Box 5555
    MiddleburgVA 20118
    540-687-4340
  • 14.-18.
    The Madeira School
    All-Girls 
    12

    Grades: 9-12, PG
    8328 Georgetown Pike
    McLeanVA 22102-1200
    703-556-8273
  • 14.-18.
    Santa Catalina School
    All-Girls  (Catholic)
    12

    Grades: 9-12
    1500 Mark Thomas Drive
    MontereyCA 93940
    831-655-9356
  • 19.
    Saint Mary's School
    All-Girls  (Episcopal)
    13
    Grades: 9-12
    900 Hillsborough St.
    RaleighNC 27603
    919-424-4100
  • 20.-21.
    15
    Grades: 8-12 | Pre-K-12 (day)
    300 Garrison Forest Road
    Owings MillsMD 21117
    410-559-3111
  • 20.-21.
    15

    Grades: 8-12 | Pre-K-12 (day)
    11600 Welch Road
    DallasTX 75229
    214-360-6526
  • 22.-24.
    Branksome Hall
    All-Girls 
    >15
    Grades: 7-12 | Pre-K-12 (day)
    10 Elm Avenue
    TorontoCanada 00000
    416-920-9741
  • 22.-24.
    Flintridge Sacred Heart Academy
    All-Girls  (Catholic)
    >15

    Grades: 9-12
    440 St. Katherine Dr.
    La Canada FlintridgeCA 91011
    626-685-8521
  • 22.-24.
    >15

    Grades: 9-12
    1300 East Northern Parkway
    BaltimoreMD 21239
    312-496-5533

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