Oldest Founding Date (2017-2018)

All Schools
All Schools 
400+ students
400+ students 
200-400 students
200-400 students 
< 200 students
< 200 students 
More
  • Among "Schools with 200-400 Students", view the boarding schools with the oldest founding date.
  • The "founding dates" below are the dates that schools have traditionally.
  • Note that the definition of "founding date" may differ slightly from school to school (e.g., whether it selects the year the school first received its charter or the year it first admitted students - regardless, the differences between the two are often small).

Oldest Founding Date

Among Schools with 200-400 Students (out of 124 schools)

Sorted by range (alphabetically within range)
  • Boarding School Year Founded Grades Location
  • 1.
    Linden Hall School
    All-Girls 
    1746
    Grades: 6-12, PG
    212 East Main Street
    LititzPA 17543
    717-626-8512
  • 2.
    1792
    Grades: 9-12, PG
    PO Box 190, 66 Cutler Road
    East MachiasME 04630
    2072558301
  • 3.
    1793
    Grades: 9-12
    44 Main Street, PO Box 992
    GrotonMA 01450
    978-448-1530
  • 4.
    Westtown School
    (Society of Friends)
    1799
    Grades: 9-12 | Pre-K-12 (day)
    975 Westtown Rd
    West ChesterPA 19382
    610-399-7900
  • 5.
    1803
    Grades: 9-12
    23 Union Street
    Blue HillME 04614
    207-374-2808
  • 6.
    1804
    Grades: 9-12, PG | 6-12, PG (day)
    P.O. Box 309
    HebronME 04238
    207-966-5225
  • 7.
    1813
    Grades: 9-12, PG
    7 Campus Center, PO Box 188
    MeridenNH 03770
    6034692100
  • 8.
    1814
    Grades: 9-12, PG
    285 Pawling Avenue
    TroyNY 12180
    518-833-1320
  • 9.
    1820
    Grades: 9-12, PG
    80 Academy Drive
    WolfeboroNH 03894
    603-569-7200
  • 10.
    1821
    Grades: 9-12, PG
    70 Main Street
    New HamptonNH 03256
    603-677-3401
Sorted by range (alphabetically within range)
  • Boarding School Year Founded Grades Location
  • 11.
    1824
    Grades: 9-12, PG
    PO Box 257, 1614 Main St., Rte. 17
    Kents HillME 04349
    207-685-1606
  • 12.
    St. Timothy's School
    All-Girls  (Episcopal)
    1832
    Grades: 9-12, PG
    8400 Greenspring Avenue
    StevensonMD 21153
    410-486-7401
  • 13.-14.
    1836
    Grades: 9-12
    80 chemin Moulton Hill
    Sherbrooke, QuebecCanada J1M 1Z8
    819-566-0238
  • 13.-14.
    1836

    Grades: 9-12, PG
    PO Box 860
    BethelME 04217
    207-824-7777
  • 15.-17.
    1842
    Grades: 9-12
    16945 Bayview Ave
    Newmarket, OntarioCanada L3Y4X2
    9058951700
  • 15.-17.
    Saint James School
    (Episcopal)
    1842

    Grades: 8-12
    17641 College Road
    HagerstownMD 21740
    3017339330
  • 15.-17.
    Saint Mary's School
    All-Girls  (Episcopal)
    1842

    Grades: 9-12
    900 Hillsborough St.
    RaleighNC 27603
    919-424-4100
  • 18.
    1843
    Grades: 9-12
    60 Main Street
    FarmingtonCT 06032
    8604093530
  • 19.
    Stuart Hall School
    (Episcopal)
    1844
    Grades: 8-12 | Pre-K-12 (day)
    235 West Frederick Street
    StauntonVA 24401
    540-213-3746
  • 20.
    1845
    Grades: 9-12, PG
    30 School Street
    TiltonNH 03276
    603-286-1733
  • 21.
    1848
    Grades: 9-12, PG
    204 Main Street - P.O. Box 500
    AndoverNH 03216
    603-735-6212
  • 22.
    1850
    Grades: 9-12, PG
    99 Green Hill Road
    WashingtonCT 06793
    860-868-7334
  • 23.
    Buffalo Seminary
    All-Girls 
    1851
    Grades: 9-12, PG
    205 Bidwell Parkway
    BuffaloNY 14222
    716-885-6780
  • 24.
    Grier School
    All-Girls 
    1853
    Grades: 7-12, PG
    P.O. Box 308
    TyronePA 16686
    814-684-3000
  • 25.
    1854
    Grades: 7-12
    304 S. Beach Blvd.
    Bay St. LouisMS 39520
    228-467-9057
  • 26.
    1857
    Grades: 9-12, PG | 6-12, PG (day)
    2280 Watertower Road, Box 4000
    CollegevilleMN 56321
    1-800-525-7737
  • 27.
    1863
    Grades: 9-12
    1000 Green St.
    AtchisonKS 66002
    913-367-5482
  • 28.-29.
    1865
    Grades: 9-12, PG
    39 School Street, P.O. Box 8000
    AshburnhamMA 01430
    978-827-7300
  • 28.-29.
    St. Mark's School
    (Episcopal)
    1865

    Grades: 9-12
    25 Marlboro Road
    SouthboroughMA 01772
    508-786-6118
  • 30.
    1868
    Grades: 8-12 | 6-12 (day)
    290 Quintard Rd.
    SewaneeTN 37375
    931-598-5651
  • 31.
    1870
    Grades: 7-12 | 6-12 (day)
    319 Webb Road East
    Bell BuckleTN 37020
    931-389-6003
  • 32.-33.
    1875
    Grades: 6-12, PG
    200 Seminary Street
    PennsburgPA 18073
    215-679-9511
  • 32.-33.
    1875

    Grades: 8-12, PG
    120 South 100 West
    Mt. PleasantUT 84647
    435-462-1400
  • 34.
    1876
    Grades: 9-12, PG
    10 Long Walk
    Saxtons RiverVT 05154
    8028696229
  • 35.
    1877
    Grades: 6-12
    40 College Hill Road
    Rothesay, New Brunswick E2E 5H1Canada 00000
    506-847-8224
  • 36.-37.
    Holderness School
    (Episcopal)
    1879
    Grades: 9-12, PG
    PO Box 1879
    PlymouthNH 03264
    603-536-1747
  • 36.-37.
    1879

    Grades: 9-12
    4391 County Rd. 29
    LakefieldCanada K0L2H0
    705-652-3324
  • 38.
    Groton School
    (Episcopal)
    1884
    Grades: 8-12
    282 Farmers Row, Box 991
    GrotonMA 01450
    978-448-7510
  • 39.
    1886
    Grades: 9-12, PG
    45 Georgian Road
    WestonMA 02493
    781-642-8650
  • 40.
    St. John's Military School
    All-Boys  (Episcopal)
    1887
    Grades: 6-12
    Po Box 5020
    SalinaKS 67402
    (866)704-5294
  • 41.-42.
    The Kiski School
    All-Boys 
    1888
    Grades: 9-12, PG
    1888 Brett Lane
    SaltsburgPA 15681
    724-639-8035
  • 41.-42.
    1888

    Grades: 9-12, PG
    995 Hopmeadow Street
    SimsburyCT 06070
    860-408-3060
  • 43.-45.
    1889
    Grades: 7-12, PG
    204 Grand Street
    MexicoMO 65265
    573-581-1776
  • 43.-45.
    1889

    Grades: 9-12
    5025 Thacher Road
    OjaiCA 93023
    805-640-3210
  • 43.-45.
    1889

    Grades: 9-12
    241 Woodberry Station
    Woodberry ForestVA 22989
    888-798-9371
  • 46.
    1890
    Grades: 6-12, PG
    66 School Street
    GranbyMA 01033
    413-255-0000
  • 47.
    1891
    Grades: 7-12
    1600 St. Bernard Drive, S.E.
    CullmanAL 35055
    256-255-5890
  • 48.-49.
    1892
    Grades: 7-12, PG
    520 Hwy. 1 North
    CamdenSC 29020
    800-948-6291
  • 48.-49.
    Randolph-Macon Academy
    (United Methodist)
    1892

    Grades: 9-12, PG
    200 Academy Drive
    Front RoyalVA 22630
    540-636-5484
  • 50.-51.
    1893
    Grades: 9-12, PG | 6-12, PG (day)
    63 Federal Road
    BarringtonRI 02806
    401-246-1230
  • 50.-51.
    1893

    Grades: 9-12, PG
    12 Highland Street
    NatickMA 01760
    508-650-5020
  • 52.
    1894
    Grades: 9-12, PG
    PO Box 128, 398 Pomfret Street
    PomfretCT 06258
    860-963-6120
  • 53.
    St. George's School
    (Episcopal)
    1896
    Grades: 9-12
    PO Box 1910
    NewportRI 02840
    401-842-6600
  • 54.
    Miss Hall's School
    All-Girls 
    1898
    Grades: 9-12, PG
    492 Holmes Road, PO Box 1166
    PittsfieldMA 01201
    413-499-1300
  • 55.-57.
    1900
    Grades: 9-12
    360 Asheville School Rd.
    AshevilleNC 28806
    828-254-6345
  • 55.-57.
    Christ School
    All-Boys  (Episcopal)
    1900

    Grades: 8-12
    500 Christ School Road
    AshevilleNC 28704
    8286846232
  • 55.-57.
    1900

    Grades: 5-9 | K-9 (day)
    201 Romford Road
    Washington DepotCT 06794
    8608680535
  • 58.
    Salisbury School
    All-Boys 
    1901
    Grades: 9-12, PG
    251 Canaan Road
    SalisburyCT 06068
    860-435-5732
  • 59.
    The Madeira School
    All-Girls 
    1906
    Grades: 9-12, PG
    8328 Georgetown Pike
    McLeanVA 22102-1200
    703-556-8273
  • 60.-62.
    1907
    Grades: 9-12, PG
    245 North Undermountain Road
    SheffieldMA 01257
    413-229-1003
  • 60.-62.
    1907

    Grades: 6-12 | 4-12 (day)
    2801 Ranch Road 12
    San MarcosTX 78666
    1-800-428-5120
  • 60.-62.
    Trinity-Pawling School
    All-Boys  (Episcopal)
    1907

    Grades: 9-12, PG | 7-12, PG (day)
    700 Route 22
    PawlingNY 12564
    845-855-4825
  • 63.
    1908
    Grades: 9-12
    1080 Lucas Avenue
    VictoriaCanada V8X 3P7
    250-479-7171
  • 64.-65.
    Hargrave Military Academy
    All-Boys  (Baptist)
    1909
    Grades: 7-12, PG
    200 Military Drive
    ChathamVA 24531
    800-432-2480
  • 64.-65.
    Westover School
    All-Girls 
    1909

    Grades: 9-12
    1237 Whittemore Rd., P.O. Box 847
    MiddleburyCT 06762
    203-577-4521
  • 66.-68.
    1910
    Grades: 7-12
    2605 Carlsbad Blvd.
    CarlsbadCA 92008
    888-762-2338
  • 66.-68.
    1910

    Grades: 9-12
    1960 Cate Mesa Road, P.O. Box 5005
    CarpinteriaCA 93013
    8056844127
  • 66.-68.
    1910

    Grades: 8-12 | Pre-K-12 (day)
    300 Garrison Forest Road
    Owings MillsMD 21117
    410-559-3111
  • 69.-71.
    Cotter Schools
    (Catholic)
    1911
    Grades: 9-12 | 7-12 (day)
    1115 West Broadway Street
    WinonaMN 55987
    507-453-5113
  • 69.-71.
    1911

    Grades: 9-12, PG | 6-12, PG (day)
    230 Bushy Hill Road
    SimsburyCT 06070
    860-408-4200
  • 69.-71.
    1911

    Grades: 3-12 | Pre-K-12 (day)
    723 El Paseo Road
    OjaiCA 93023
    (805)646-1423
  • 72.
    Canterbury School
    (Catholic)
    1915
    Grades: 9-12, PG
    101 Aspetuck Avenue
    New MilfordCT 06776
    (860)210-3832
  • 73.
    1916
    Grades: 9-12
    400 VES Road
    LynchburgVA 24503
    434-385-3607
  • 74.
    1920
    Grades: 5-9 | Pre-K-9 (day)
    P.O. Box 68 528 Pomfret Street
    PomfretCT 06258
    860-928-1328
  • 75.
    Christchurch School
    (Episcopal)
    1921
    Grades: 9-12
    49 Seahorse Lane
    ChristchurchVA 23031
    804-758-2306
  • 76.-79.
    1922
    Grades: 9-12
    166 Main Street
    ConcordMA 01742
    978-402-2250
  • 76.-79.
    1922

    Grades: 6-9
    271 Pine Nook Road, P.O. Box 7
    DeerfieldMA 01342
    413-774-9111
  • 76.-79.
    1922

    Grades: 6-9 | Pre-K-9 (day)
    211 Indian Mountain Road
    LakevilleCT 06039
    435-480-0871
  • 76.-79.
    1922

    Grades: 7-12
    1 Chapman Parkway
    Stony BrookNY 11790
    631-751-1800
  • 80.
    1924
    Grades: 9-12
    12096 N. Ventura Ave
    OjaiCA 93023
    805-646-1464
  • 81.-82.
    1925
    Grades: 3-9 | K-9 (day)
    94 Old Main Street, PO Box 8
    DeerfieldMA 01342
    413-774-4209
  • 81.-82.
    1925

    Grades: 9-12 | 7-12 (day)
    6832 Phillips Mill Road
    New HopePA 18938
    215-862-5261
  • 83.-86.
    Brooks School
    (Episcopal)
    1926
    Grades: 9-12
    1160 Great Pond Road
    North AndoverMA 01845
    978-725-6272
  • 83.-86.
    1926

    Grades: 9-12, PG
    26 Chase Road
    ThompsonCT 06277
    8609239245
  • 83.-86.
    1926

    Grades: 9-12
    285 Cory's Lane
    PortsmouthRI 02871
    401-643-1248
  • 83.-86.
    1926

    Grades: 9-12, PG
    172 Ash Street
    WinchendonMA 01475
    978-297-4476
  • 87.
    1928
    Grades: 7-12 | 6-12 (day)
    1001 Eagle Road
    WaynePA 19087
    610-989-1200
  • 88.
    1929
    Grades: 9-12
    350 Noxontown Road
    MiddletownDE 19709
    3022854231
  • 89.-90.
    1930
    Grades: 9-12, PG
    12 Norfolk Road, P.O. Box 80
    LitchfieldCT 06759
    860-567-1802
  • 89.-90.
    1930

    Grades: 9-12
    6155 Fountain Valley School Road
    Colorado SpringsCO 80911
    719-391-5251
  • 91.-92.
    Flintridge Sacred Heart Academy
    All-Girls  (Catholic)
    1931
    Grades: 9-12
    440 St. Katherine Dr.
    La Canada FlintridgeCA 91011
    626-685-8521
  • 91.-92.
    1931

    Grades: 9-12, PG
    131 Millbrook School Road
    MillbrookNY 12545
    845-677-8261
  • 93.-94.
    1935
    Grades: 9-12
    610 Hillcrest Dr.
    Fergus FallsMN 56537
    218-739-3371
  • 93.-94.
    1935

    Grades: 9-12, PG
    418 Houghton Brook Road
    PutneyVT 05346
    802-387-6219
  • 95.
    1940
    Grades: 7-12 | K-12 (day)
    7401 Monticello Rd.
    ColumbiaSC 29203
    803-807-4145
  • 96.
    1945
    Grades: 9-12
    62 Alumni Drive
    CanaanNH 03741
    603-523-3548
  • 97.
    1949
    Grades: 9-12, PG | K-12, PG (day)
    65-1692 Kohala Mountain Road
    KamuelaHI 96743
    808-881-4321
  • 98.
    Santa Catalina School
    All-Girls  (Catholic)
    1950
    Grades: 9-12
    1500 Mark Thomas Drive
    MontereyCA 93940
    831-655-9356
  • 99.
    1952
    Grades: 9-12
    190 Woodward Drive
    Indian SpringsAL 35124
    888-843-9477
  • 100.-101.
    1957
    Grades: 8-12 | 6-12 (day)
    P.O. Box 98, 2555 W. Highway 154
    Los OlivosCA 93441
    800-287-9197
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