Oldest Founding Date

All Schools
All Schools 
400+ students
400+ students 
200-400 students
200-400 students 
< 200 students
< 200 students 
More
  • Among "Schools with 400+ Students", view the boarding schools with the oldest founding date (2018-19).
  • 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 (2018-19)

Among Schools with 400+ Students (out of 108 schools)

Sorted by range (alphabetically within range)
  • Boarding School Year Founded Grades Location
  • 1.
    1763
    Grades: 9-12
    1 Elm Street
    ByfieldMA 01922
    (978)499-3120
  • 2.
    1778
    Grades: 9-12, PG
    180 Main Street
    AndoverMA 01810
    (978)749-4050
  • 3.
    1781
    Grades: 9-12, PG
    20 Main Street
    ExeterNH 03833
    (603)777-3437
  • 4.
    Georgetown Preparatory School
    Georgetown Preparatory School Photo - Service trips are a large part of Prep's Jesuit identity. Students fulfill service hour requirements each year and can travel to such places as New Orleans, South Dakota, Dominican Republic and many other places with classmates.
    All-Boys  (Catholic)
    1789
    Grades: 9-12
    10900 Rockville Pike
    North BethesdaMD 20852
    (301)214-1215
  • 5.
    1792
    Grades: 9-12, PG
    745 Main Street
    FryeburgME 04037
    (207)935-2013
  • 6.
    1797
    Grades: 9-12, PG
    7 Boyden Lane
    DeerfieldMA 01342
    (413)774-1400
  • 7.
    1798
    Grades: 9-12 | K-12 (day)
    170 Centre Street
    MiltonMA 02186
    (617)898-2227
  • 8.
    1804
    Grades: 8-12, PG | 6-12, PG (day)
    423 Main Street
    WilbrahamMA 01095
    (413)596-9107
  • 9.
    1810
    Grades: 9-12, PG
    2500 Main Street
    LawrencevilleNJ 08648
    (800)735-2030
  • 10.
    1811
    Grades: 6-12
    438 Main Street
    SacoME 04072
    (207)282-5383
  • 11.
    1814
    Grades: 7-12 | 5-12 (day)
    60 Knox Lane
    WheelingWV 26003
    (304)233-1436
  • 12.
    1823
    Grades: 9-12, PG
    975 West Main Street
    Dover FoxcroftME 04426
    (207)564-8664
  • 13.
    1833
    Grades: 9-12, PG
    Suffield Academy
    SuffieldCT 06078
    (860)386-4440
  • 14.
    1834
    Grades: 9-12, PG | 6-12, PG (day)
    81 Providence Street
    WorcesterMA 01604
    (508)459-5481
  • 15.
    The Pennington School
    (United Methodist)
    1838
    Grades: 8-12 | 6-12 (day)
    112 West Delaware Avenue
    PenningtonNJ 08534
    (609)737-6128
  • 16.
    1839
    Grades: 9-12
    1200 N. Quaker Lane
    AlexandriaVA 22302
    (877)933-4347
  • 17.
    1841
    Grades: 9-12, PG | 7-12, PG (day)
    19 Payson Avenue
    EasthamptonMA 01027
    (413)529-3241
  • 18.
    1842
    Grades: 9-12, PG
    1000 Main Street, PO Box 906
    St. JohnsburyVT 05819
    (802)751-2130
  • 19.
    Wyoming Seminary Upper School
    Wyoming Seminary Upper School Photo - Athletics at Wyoming Seminary are competitive. Sem offers several choices to student-athletes every season, and over 75% of Sem students participate in our athletic programs.
    (United Methodist)
    1844
    Grades: 9-12, PG
    201 North Sprague Ave.
    KingstonPA 18704
    (570)270-2160
  • 20.
    1848
    Grades: 9-12, PG
    PO Box 600
    BlairstownNJ 07825
    (908)362-6121
  • 21.
    1850
    Grades: 9-12 | K-12 (day)
    1500 Butterfield Road
    San AnselmoCA 94960
    (415)258-1905
  • 22.
    1851
    Grades: 9-12, PG
    860 Beech Street
    PottstownPA 19464
    (610)326-1000
  • 23.
    St. Paul's School
    St. Paul's School Photo - SPS 1
    (Episcopal)
    1856
    Grades: 9-12
    325 Pleasant Street
    ConcordNH 03301
    (603)229-4700
  • 24.
    1857
    Grades: 9-12, PG
    1500 West Kennedy Road
    Lake ForestIL 60045
    (847)615-3267
  • 25.
    1858
    Grades: 9-12, PG
    1000 Shumway Avenue
    FaribaultMN 55021
    (507)333-1618
  • 26.
    'Iolani School
    'Iolani School Photo
    (Episcopal)
    1863
    Grades: 9-12 | K-12 (day)
    563 Kamoku Street
    HonoluluHI 96826
    (808)943-2279
  • 27.
    1864
    Grades: 9-12, PG
    201 South Main Street
    HightstownNJ 08520
    (609)944-7501
  • 28.
    1865
    Grades: 9-12 | 5-12 (day)
    55 Deblaquire St N.
    Port HopeCanada L1A4K
    (905)885-3217
  • 29.-30.
    1866
    Grades: 7-9 | K-9 (day)
    48 Main Street
    SouthboroughMA 01772
    (508)490-8201
  • 29.-30.
    1866

    Grades: 9-12, PG
    295 Main Street
    PittsfieldME 04967
    (207)487-2282
  • 31.
    1867
    Grades: 9-12
    PO Box 127, 168 Institute Circle
    Lyndon CenterVT 05850
    (802)535-3700
  • 32.
    1869
    Grades: 9-12, PG | Pre-K-12, PG (day)
    6300 SW Nicol Road
    PortlandOR 97223
    (503)768-3115
  • 33.
    1871
    Grades: 9-12
    550 S. Albert St.
    Saint PaulMN 55116
    (312)416-1955
  • 34.
    1874
    Grades: 9-12, PG
    Office of Admission
    WindsorCT 06095
    (860)687-6400
  • 35.
    1876
    Grades: 9-12
    66 Spring Street
    MarionMA 02738
    (508)291-8300
  • 36.
    1877
    Grades: 9-12 | 5-12 (day)
    49 Clinton Avenue
    Dobbs FerryNY 10522
    (914)479-6420
  • 37.
    1879
    Grades: 9-12, PG
    One Lamplighter Way
    Mount HermonMA 01354
    (413)498-3227
  • 38.-39.
    1880
    Grades: 9-12
    112 Broad Street
    Red BankNJ 07701
    (312)416-1955
  • 38.-39.
    The King's Academy
    The King's Academy Photo - The King's Academy's tranquil campus is located just outside the city of Knoxville near the majestic Great Smoky Mountains.
    (Christian)
    1880

    Grades: 6-12, PG | Pre-K-12, PG (day)
    202 Smothers Road
    SeymourTN 37865
    (865)573-8321
  • 40.
    Dana Hall School
    Dana Hall School Photo - At Dana Hall, a dorm is not just a place to sleep -- it's a home away from home, a personal space in a larger community, and the springboard for life skills and confidence that Dana students gain as they develop independence.
    All-Girls 
    1881
    Grades: 9-12
    45 Dana Road
    WellesleyMA 02482
    (781)489-1331
  • 41.
    1883
    Grades: 9-12
    423 Fox Chapel Road
    PittsburghPA 15238
    (412)968-3180
  • 42.
    1885
    Grades: 9-12
    3535 Commerce Rd.
    Orchard LakeMI 48324
    (248)431-1697
  • 43.-44.
    1889
    Grades: 5-12, PG | Pre-K-12, PG (day)
    2 Ridley Road
    St CatharinesCanada l2r 7c3
    (905)684-1889
  • 43.-44.
    1889

    Grades: 8-12 | Pre-K-12 (day)
    621 N Jefferson St
    RoanokeVA 24016
    (540)982-3532
  • 45.-46.
    1890
    Grades: 9-12, PG
    333 Christian Street
    WallingfordCT 06492
    (203)697-2239
  • 45.-46.
    1890

    Grades: 9-12, PG
    110 Woodbury Road
    WatertownCT 06795
    (860)945-7700
  • 47.-49.
    1891
    Grades: 9-12 | 4-12 (day)
    362 Mariposa Avenue
    OttawaCanada K1M0T3
    (613)749-9630
  • 47.-49.
    1891

    Grades: 9-12, PG
    11 Interlaken Road
    LakevilleCT 06039
    (860)435-3102
  • 47.-49.
    1891

    Grades: 9-12, PG
    101 West College Blvd
    RoswellNM 88201
    (800)421-5376
  • 50.-52.
    1893
    Grades: 9-12 | 6-12 (day)
    171 Baylor School Road
    ChattanoogaTN 37405
    (423)267-5902
  • 50.-52.
    George School
    George School Photo - George School Football takes on rival ANC
    (Society of Friends)
    1893

    Grades: 9-12
    1690 Newtown Langhorne Road
    NewtownPA 18940
    (215)579-6547
  • 50.-52.
    1893

    Grades: 9-12, PG
    300 East Seminary Street
    MercersburgPA 17236
    (717)328-6173
  • 53.
    1894
    Grades: 9-12
    1300 Academy Road
    CulverIN 46511
    (574)842-7100
  • 54.
    1901
    Grades: 9-12
    1400 Lowell Road
    ConcordMA 01742
    (978)371-6524
  • 55.-57.
    Branksome Hall
    Branksome Hall Photo
    All-Girls 
    1903
    Grades: 7-12 | Pre-K-12 (day)
    10 Elm Avenue
    TorontoCanada 00000
    (416)920-9741
  • 55.-57.
    1903

    Grades: 7-12 | Pre-K-12 (day)
    339 Nacoochee Drive
    Rabun GapGA 30568
    (706)746-7720
  • 55.-57.
    1903

    Grades: 9-12, PG
    330 N. Glenview Avenue
    Milwaukee WI 53213
    (414)453-4567
  • 58.-59.
    1905
    Grades: 9-12, PG | Pre-K-12, PG (day)
    1014 Cave Spring Road, SW
    RomeGA 30161
    (706)235-6051
  • 58.-59.
    McCallie School
    McCallie School Photo - The office of college guidance works with our students to help them find the right fit for college and to make sure they are best prepared for the application process.
    All-Boys 
    1905

    Grades: 9-12 | 6-12 (day)
    500 Dodds Avenue
    ChattanoogaTN 37404
    (800)234-2163
  • 60.-61.
    Kent School
    Kent School Photo - Kent's newly renovated art studios offer ample space to explore your creativity.
    (Episcopal)
    1906
    Grades: 9-12, PG
    PO Box 2006
    KentCT 06757
    (860)927-6111
  • 60.-61.
    1906

    Grades: 8-12 | K-12 (day)
    3400 Richmond Road
    VictoriaCanada V8P 4P5
    (250)370-6170
  • 62.-63.
    1907
    Grades: 9-12, PG
    245 North Undermountain Road
    SheffieldMA 01257
    (413)229-1003
  • 62.-63.
    1907

    Grades: 7-12
    2001 Riverside Drive
    GainesvilleGA 30501
    (800)462-2338
  • 64.
    1909
    Grades: 7-12 | 5-12 (day)
    201 Campus Drive, PO Box 10
    Tallulah FallsGA 30573
    (706)754-0400
  • 65.-66.
    1910
    Grades: 6-12
    425 South Lindbergh Blvd.
    St. LouisMO 63131
    (314)692-6640
  • 65.-66.
    1910

    Grades: 9-12
    2132 Ivy Road
    CharlottesvilleVA 22903
    (434)296-5106
  • 67.
    1912
    Grades: 7-12, PG | Pre-K-12, PG (day)
    17235 Seventh Street
    MontverdeFL 34756
    (407)469-2561
  • 68.
    1913
    Grades: 8-12 | Pre-K-12 (day)
    11600 Welch Road
    DallasTX 75229
    (214)360-6526
  • 69.
    1914
    Grades: 9-12, PG | 6-12, PG (day)
    176 Edgerstoune Road
    PrincetonNJ 08540
    (609)921-7600
  • 70.
    1916
    Grades: 8-12
    1975 Renfrew Road
    Shawnigan Lake, BCCanada V0R2W1
    (250)743-6207
  • 71.-72.
    1922
    Grades: 9-12 | Pre-K-12 (day)
    PO Box 801 39221 Woodward Ave.
    Bloomfield HillsMI 48303
    (248)645-3610
  • 71.-72.
    1922

    Grades: 9-12
    1175 West Baseline Road
    ClaremontCA 91711
    (909)482-5214
  • 73.
    1923
    Grades: 9-12, PG
    2735 Mt. Baker Road
    Mill Bay, BC V0R 2P1Canada 1
    (250)743-5521
  • 74.
    1926
    Grades: 9-12
    2 School Way
    WatsonvilleCA 95076
    (831)768-6137
  • 75.-76.
    1927
    Grades: 9-12, PG
    500 Old Farms Road
    AvonCT 06001
    (800)464-2866
  • 75.-76.
    St. Francis High School
    St. Francis High School Photo - Friars' Hall
    All-Boys  (Catholic)
    1927

    Grades: 9-12
    4129 Lake Shore Road
    HamburgNY 14075
    (716)627-1200
  • 77.
    1930
    Grades: 8-12 | 1-12 (day)
    4175 West 29th Avenue
    Vancouver, BCCanada 00001
    (604)221-3915
  • 78.
    1933
    Grades: 9-12, PG | Pre-K-12, PG (day)
    7400 San Jose Blvd.
    JacksonvilleFL 32217
    (904)256-5030
  • 79.
    1944
    Grades: 8-12 | Pre-K-12 (day)
    4254 Colonial Avenue
    RoanokeVA 24018
    (540)989-6641
  • 80.
    1949
    Grades: 8-12 | 6-12 (day)
    6500 St. Stephen's Drive
    AustinTX 78746
    (512)327-1213
  • 81.
    1951
    Grades: 9-12
    2250 Clays Mill Road
    LexingtonKY 40503
    (312)416-1955
  • 82.
    1952
    Grades: 9-12 | Pre-K-12 (day)
    3152 Forest Lake Road
    Pebble BeachCA 93953
    (831)625-8309
  • 83.
    1953
    Grades: 9-12
    811 W. Donovan Street
    HoustonTX 77091
    (312)416-1955
  • 84.
    1956
    Grades: 6-12, PG | Pre-K-12, PG (day)
    Via Collina d'Oro
    MontagnolaSwitzerland 6926
    41919605151
  • 85.
    1957
    Grades: 9-12
    7600 Lyons Road
    Coconut CreekFL 33073
    (954)305-6937
  • 86.-87.
    1958
    Grades: 9-12
    700 Ashland Avenue
    Chicago HeightsIL 60411
    (312)416-1955
  • 86.-87.
    St. Croix Academy
    St. Croix Academy Photo - St. Croix's lakeside family-style dormitory was built in 2015 and is located on a beautiful lake with walkways to the Mississippi River and within walking distance of over 50 shops and restaurants.
    (Christian)
    1958

    Grades: 6-12
    1200 Oakdale Ave.
    St. PaulMN 55118
    (651)455-1521
  • 88.-89.
    1960
    Grades: 9-12
    1615 Mater Dei Drive
    Chula VistaCA 91913
    (312)416-1955
  • 88.-89.
    1960

    Grades: 6-12 | Pre-K-12 (day)
    Route de Sauverny 74
    GenevaSwitzerland 1290
    0041227755656
  • 90.-92.
    1961
    Grades: 9-12
    3701 Sinclair Lane
    BaltimoreMD 21213
    (312)416-1955
  • 90.-92.
    1961

    Grades: 9-12
    3900 Jog Road
    Boca RatonFL 33434
    (561)210-2020
  • 90.-92.
    1961

    Grades: 9-12 | Pre-K-12 (day)
    16923 Norwood Road
    Sandy SpringMD 20860
    (301)774-7455
  • 93.
    1962
    Grades: 9-12
    1 Carmel Parkway
    MundeleinIL 60060
    (312)416-1955
  • 94.
    1965
    Grades: 9-12 | 6-12 (day)
    2100 Mt. Diablo Scenic Blvd.
    DanvilleCA 94506
    (925)362-7223
  • 95.-97.
    1966
    Grades: 9-12
    4026 Maher St.
    NapaCA 94558
    (312)416-1955
  • 95.-97.
    1966

    Grades: 9-12
    1350 Gardena Avenue NE
    FridleyMN 55432
    (763)586-6316
  • 95.-97.
    1966

    Grades: 7-12 | Pre-K-12 (day)
    1305 Whittington Drive
    HoustonTX 77077
    (847)840-3064
  • 98.
    1970
    Grades: 8-12 | Pre-K-12 (day)
    8401 Belvedere Rd
    West Palm BeachFL 33411
    (561)657-3470
  • 99.
    1971
    Grades: 9-12 | 2-12 (day)
    P.O. Box 227
    Prides CrossingMA 01965
    (978)236-3000
  • 100.
    1978
    Grades: 5-12, PG
    5500 34th Street West
    BradentonFL 34210
    (800)872-6425
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