Oldest Founding Date

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400+ students 200-400 students < 200 students More
Among "All Schools", 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).
Sorted by range (alphabetically within range)
  • Boarding School Year Founded Grades Location
  • 1. 
    1744Gr. 9-12, PGColora, MD1079 Firetower Road
    ColoraMD 21917
    410-658-9279
  • 2. 
    Linden Hall
    All-Girls 
    1746Gr. 6-12, PGLititz, PA212 East Main Street
    LititzPA 17543
    1-800-258-5778
  • 3. 
    1763Gr. 9-12Byfield, MA1 Elm Street
    ByfieldMA 01922
    978-499-3120
  • 4. 
    Salem Academy
    All-Girls  (Moravian)
    1772Gr. 9-12Winston-Salem, NC500 East Salem Avenue
    Winston-SalemNC 27101
    336-721-2643
  • 5. 
    1778Gr. 9-12, PGAndover, MA180 Main Street
    AndoverMA 01810
    978-749-4050
  • 6. 
    1781Gr. 9-12, PGExeter, NH20 Main Street
    ExeterNH 03833
    (603)777-3437
  • 7. 
    Georgetown Preparatory School
    All-Boys  (Catholic)
    1789Gr. 9-12North Bethesda, MD10900 Rockville Pike
    North BethesdaMD 20852
    301-214-1215
  • 8.-9. 
    1792Gr. 9-12, PGFryeburg, ME745 Main Street
    FryeburgME 04037
    (207)935-2013
  • 8.-9. 
    1792
    Gr. 9-12, PGEast Machias, MEPO Box 190, 66 Cutler Road
    East MachiasME 04630
    207-255-8301, x.210
  • 10. 
    1793Gr. 9-12Groton, MA26 Powderhouse Road, PO Box 992
    GrotonMA 01450
    978 448 1530
  • 11. 
    1794Gr. 8-12, PGCheshire, CT10 Main Street
    CheshireCT 06410
    (203) 439-7250
  • 12. 
    1796Gr. 9-12

    6-12 (day)
     | 6-12 (day)Poughkeepsie, NY22 Spackenkill Road
    PoughkeepsieNY 12603
    845 462 4200
  • 13. 
    1797Gr. 9-12, PGDeerfield, MAOffice of Admission
    DeerfieldMA 01342
    413-774-1400
  • 14. 
    1798Gr. 9-12

    K-12 (day)
     | K-12 (day)Milton, MA170 Centre Street
    MiltonMA 02186
    617-898-2227
  • 15. 
    Westtown School
    (Society of Friends)
    1799Gr. 9-12

    Pre-K-12 (day)
     | Pre-K-12 (day)West Chester, PA975 Westtown Rd
    West ChesterPA 19382
    610-399-7900
  • 16.-17. 
    1801Gr. 9-12Newcastle, ME81 Academy Hill
    NewcastleME 04553
    2075633596, ext. 108
  • 16.-17. 
    1801
    Gr. 9-12, PGWoodstock, CT57 Academy Road
    WoodstockCT 06281
    8609286575
  • 18. 
    1803Gr. 9-12Blue Hill, ME23 Union Street
    Blue HillME 04614
    2073742808
  • 19.-20. 
    1804Gr. 9-12, PG

    6-12, PG (day)
     | 6-12, PG (day)Hebron, MEP.O. Box 309
    HebronME 04238
    (207)966-5225
  • 19.-20. 
    1804
    Gr. 8-12, PG

    6-12, PG (day)
     | 6-12, PG (day)Wilbraham, MA423 Main Street
    WilbrahamMA 01095
    413-596-9107
  • 21. 
    1808Gr. 11-12, PGNorth Bridgton, MEPO Box 292
    North BridgtonME 04057
    207-647-3322 x1
  • 22. 
    1810Gr. 9-12, PGLawrenceville, NJPO BOX 6008
    LawrencevilleNJ 08648
    800-735-2030
  • 23. 
    1811Gr. 6-12Saco, ME438 Main Street
    SacoME 04072
    207-282-5383
  • 24. 
    1813Gr. 9-12, PGMeriden, NH7 Campus Center, PO Box 188
    MeridenNH 03770
    603 469 2100
  • 25.-26. 
    1814Gr. 9-12, PGTroy, NY285 Pawling Avenue
    TroyNY 12180
    518-833-1320
  • 25.-26. 
    1814
    Gr. 7-12

    5-12 (day)
     | 5-12 (day)Wheeling, WV60 Knox Lane
    WheelingWV 26003
    304-233-1436
  • 27. 
    1820Gr. 9-12, PGWolfeboro, NH80 Academy Drive
    WolfeboroNH 03894
    (603) 569-7200
  • 28. 
    1821Gr. 9-12, PGNew Hampton, NH70 Main Street
    New HamptonNH 03256
    603-677-3401
  • 29. 
    1823Gr. 9-12, PGDover Foxcroft, ME975 West Main Street
    Dover FoxcroftME 04426
    207-564-8664
  • 30. 
    1824Gr. 9-12, PGKents Hill, MEPO Box 257, 1614 Main St., Rte. 17
    Kents HillME 04349
    207-685-4914
Sorted by range (alphabetically within range)
  • Boarding School Year Founded Grades Location
  • 31. 
    1826Gr. 9-12, PGHudson, OH115 College Street
    HudsonOH 44236
    330-650-9717
  • 32. 
    1828Gr. 9-12, PGWaltham, MA785 Beaver Street
    WalthamMA 02452
    781-314-0800
  • 33. 
    1831Gr. 8-12, PGAustinburg, OH3042 College St.
    AustinburgOH 44010
    (440) 275-2811 x225
  • 34. 
    St. Timothy's School
    All-Girls  (Episcopal)
    1832Gr. 9-12, PGStevenson, MD8400 Greenspring Avenue
    StevensonMD 21153
    410-486-7401
  • 35. 
    1833Gr. 9-12, PGSuffield, CTSuffield Academy
    SuffieldCT 06078
    860-386-4440
  • 36. 
    1834Gr. 9-12, PG

    6-12, PG (day)
     | 6-12, PG (day)Worcester, MA81 Providence Street
    WorcesterMA 01604
    508-459-5481
  • 37.-39. 
    1836Gr. 7-12Sherbrooke, Quebec , Canada80 chemin Moulton Hill
    Sherbrooke, Quebec Canada 
    819-566-0227
  • 37.-39. 
    1836
    Gr. 6-12New Bloomfield, PA200 N. Carlisle St.
    New BloomfieldPA 17068
    717-582-2121
  • 37.-39. 
    1836
    Gr. 9-12, PGBethel, MEPO Box 860
    BethelME 04217
    207-824-7777
  • 40. 
    Olney Friends School
    (Society of Friends)
    1837Gr. 9-12Barnesville, OH61830 Sandy Ridge Road
    BarnesvilleOH 43713
    740-425-3655 ext 214
  • 41. 
    The Pennington School
    (United Methodist)
    1838Gr. 8-12

    6-12 (day)
     | 6-12 (day)Pennington, NJ112 West Delaware Avenue
    PenningtonNJ 08534
    609-737-6128
  • 42. 
    1839Gr. 9-12Alexandria, VA1200 N. Quaker Lane
    AlexandriaVA 22302
    877-933-4347
  • 43. 
    1841Gr. 9-12, PG

    7-12, PG (day)
     | 7-12, PG (day)Easthampton, MA19 Payson Avenue
    EasthamptonMA 01027
    (413) 529-3241
  • 44.-47. 
    1842Gr. 7-12

    Pre-K-12 (day)
     | Pre-K-12 (day)Newmarket, Ontario, Canada16945 Bayview Ave
    Newmarket, OntarioCanada 
    (905) 895-1700
  • 44.-47. 
    Saint James School
    (Episcopal)
    1842
    Gr. 8-12Hagerstown, MD17641 College Road
    HagerstownMD 21740
    301-733-9330 x 3004
  • 44.-47. 
    1842
    Gr. 9-12, PGSt. Johnsbury, VT1000 Main Street, PO Box 906
    St. JohnsburyVT 05819
    802-751-2130
  • 44.-47. 
    Saint Mary's School
    All-Girls  (Episcopal)
    1842
    Gr. 9-12Raleigh, NC900 Hillsborough St.
    RaleighNC 27603
    919-424-4100
  • 48. 
    1843Gr. 9-12Farmington, CT60 Main Street
    FarmingtonCT 06032
    860-409-3530
  • 49.-50. 
    Stuart Hall School
    (Episcopal)
    1844Gr. 8-12

    Pre-K-12 (day)
     | Pre-K-12 (day)Staunton, VA235 West Frederick Street
    StauntonVA 24401
    540-213-3746
  • 49.-50. 
    1844
    Gr. 9-12, PGKingston, PA201 North Sprague Ave.
    KingstonPA 18704
    570-270-2160
  • 51. 
    1845Gr. 9-12, PGTilton, NH30 School Street
    TiltonNH 03276
    603-286-1733
  • 52.-53. 
    1848Gr. 9-12, PGBlairstown, NJ2 Park Street
    BlairstownNJ 07825
    908-362-2024
  • 52.-53. 
    1848
    Gr. 9-12, PGAndover, NH204 Main Street - P.O. Box 500
    AndoverNH 03216
    603-735-6212
  • 54.-55. 
    1850Gr. 9-12, PGWashington, CT99 Green Hill Road
    WashingtonCT 06793
    (860)-868-7334
  • 54.-55. 
    1850
    Gr. 9-12

    Pre-K-12 (day)
     | Pre-K-12 (day)San Anselmo, CA1500 Butterfield Road
    San AnselmoCA 94960
    415-258-1905
  • 56.-57. 
    Buffalo Seminary
    All-Girls 
    1851Gr. 9-12Buffalo, NY205 Bidwell Parkway
    BuffaloNY 14222
    716-885-6780
  • 56.-57. 
    1851
    Gr. 9-12, PGPottstown, PA717 East High Street
    PottstownPA 19464
    (610) 326-1000
  • 58. 
    Grier School
    All-Girls 
    1853Gr. 7-12, PGTyrone, PAP.O. Box 308
    TyronePA 16686
    (814)684-3000
  • 59. 
    1854Gr. 7-12Bay St. Louis, MS304 S. Beach Blvd.
    Bay St. LouisMS 39520
    228-467-9057 ext.249
  • 60. 
    1855Gr. 9-12Beaver Dam, WI101 North University
    Beaver DamWI 53916
    800-860-7725
  • 61. 
    St. Paul's School
    (Episcopal)
    1856Gr. 9-12Concord, NH325 Pleasant Street
    ConcordNH 03301
    603-229-4700
  • 62.-63. 
    1857Gr. 9-12, PGLake Forest, IL1500 West Kennedy Road
    Lake ForestIL 60045
    847-615-3267
  • 62.-63. 
    1857
    Gr. 9-12, PG

    6-12, PG (day)
     | 6-12, PG (day)Collegeville, MN2280 Watertower Road, Box 4000
    CollegevilleMN 56321
    1-800-525-7737
  • 64. 
    1858Gr. 6-12, PGFaribault, MN1000 Shumway Avenue
    FaribaultMN 55021
    507-333-1618
  • 65. 
    1863Gr. 9-12Atchison, KS1000 Green St.
    AtchisonKS 66002
    913-367-5482 x110
  • 66. 
    1864Gr. 9-12, PGHightstown, NJ201 South Main Street
    HightstownNJ 08520
    609-944-7501
  • 67.-69. 
    1865Gr. 9-12, PGAshburnham, MA39 School Street, P.O. Box 8000
    AshburnhamMA 01430
    978-827-7300
  • 67.-69. 
    St. Mark's School
    (Episcopal)
    1865
    Gr. 9-12Southborough, MA25 Marlboro Road
    SouthboroughMA 01772
    508-786-6118
  • 67.-69. 
    1865
    Gr. 9-12

    6-12 (day)
     | 6-12 (day)Medford, OR816 Black Oak Drive
    MedfordOR 97504
    541-773-7877
  • 70.-71. 
    1866Gr. 7-9

    Pre-K-9 (day)
     | Pre-K-9 (day)Southborough, MA48 Main Street
    SouthboroughMA 01772
    (508)490-8201
  • 70.-71. 
    1866
    Gr. 9-12, PGPittsfield, ME295 Main Street
    PittsfieldME 04967
    207-487-2282
  • 72.-75. 
    1867Gr. 7-12

    Pre-K-12 (day)
     | Pre-K-12 (day)Toronto, Canada298 Lonsdale Rd.
    TorontoCanada 
    (416) 483-4325 x1220
  • 72.-75. 
    1867
    Gr. 9-12, PGLyndon Center, VTPO Box 127, 168 Institute Circle
    Lyndon CenterVT 05850
    802-535-3700
  • 72.-75. 
    Oldfields School
    All-Girls 
    1867
    Gr. 8-12, PGSparks Glencoe, MD1500 Glencoe Road
    Sparks GlencoeMD 21152
    410-472-4800
  • 72.-75. 
    1867
    Gr. 8-12, PGCornwall on Hudson, NY314 Mountain Road
    Cornwall on HudsonNY 12520
    845-458-7542
  • 76. 
    1868Gr. 9-12

    6-12 (day)
     | 6-12 (day)Sewanee, TN290 Quintard Rd.
    SewaneeTN 37375
    931.598.5651
  • 77.-78. 
    1869Gr. 9-12, PG

    Pre-K-12, PG (day)
     | Pre-K-12, PG (day)Portland, OR6300 SW Nicol Road
    PortlandOR 97223
    503-768-3115
  • 77.-78. 
    1869
    Gr. 7-12, PGGreenfield, MA574 Bernardston Road
    GreenfieldMA 01301
    413-774-2711 x 257
  • 79. 
    1870Gr. 7-12

    6-12 (day)
     | 6-12 (day)Bell Buckle, TN319 Webb Road East
    Bell BuckleTN 37020
    888-733-9322
  • 80. 
    1872Gr. 7-12Stanstead, Canada450 Dufferin Street
    StansteadCanada 
    819 876 2223
  • 81.-82. 
    Academy of the Holy Family
    All-Girls  (Catholic)
    1874Gr. 9-12Baltic, CT54 W. Main Street Box 691
    BalticCT 06330
    860-822-6279
  • 81.-82. 
    1874
    Gr. 9-12, PGWindsor, CTOffice of Admission
    WindsorCT 06095
    860-687-6400
  • 83.-84. 
    1875Gr. 6-12, PGPennsburg, PA200 Seminary Street
    PennsburgPA 18073
    215-679-9511
  • 83.-84. 
    1875
    Gr. 8-12, PGMt. Pleasant, UT120 South 100 West
    Mt. PleasantUT 84647
    435-462-1400
  • 85.-86. 
    1876Gr. 9-12Marion, MA66 Front Street
    MarionMA 02738
    (508)291-8300
  • 85.-86. 
    1876
    Gr. 9-12, PGSaxtons River, VT10 Long Walk
    Saxtons RiverVT 05154
    802 869 6229
  • 87.-88. 
    1877Gr. 9-12

    5-12 (day)
     | 5-12 (day)Dobbs Ferry, NY49 Clinton Avenue
    Dobbs FerryNY 10522
    914-479-6420
  • 87.-88. 
    1877
    Gr. 6-12Rothesay, New Brunswick E2E 5H1, Canada40 College Hill Road
    Rothesay, New Brunswick E2E 5H1Canada 00000
    (506) 847-8224
  • 89.-90. 
    1878Gr. 8-12, PGCharlottesville, VA1000 Samuel Miller Loop
    CharlottesvilleVA 22903
    434-823-4805
  • 89.-90. 
    1878
    Gr. 8-12Mouth of Wilson, VA2635 Oak Hill Road
    Mouth of WilsonVA 24363
    276-579-2619
  • 91.-94. 
    1879Gr. 7-12, PGWaynesboro, VA225 S. Wayne Avenue
    WaynesboroVA 22980
    800-946-7773
  • 91.-94. 
    Holderness School
    (Episcopal)
    1879
    Gr. 9-12, PGPlymouth, NHPO Box 1879
    PlymouthNH 03264
    603-536-1747
  • 91.-94. 
    1879
    Gr. 9-12Lakefield, Canada4391 County Rd. 29
    LakefieldCanada 
    +1 705 652 3324
  • 91.-94. 
    1879
    Gr. 9-12, PGMount Hermon, MAOne Lamplighter Way
    Mount HermonMA 01354
    413-498-3227
  • 95.-96. 
    The King's Academy
    (Christian)
    1880Gr. 7-12

    Pre-K-12 (day)
     | Pre-K-12 (day)Seymour, TN202 Smothers Road
    SeymourTN 37865
    (865)573-8321
  • 95.-96. 
    1880
    Gr. 9-12Lexington, MO1880 Washington Ave.
    LexingtonMO 64067
    1-800-962-7682
  • 97. 
    Dana Hall School
    All-Girls 
    1881Gr. 9-12

    5-12 (day)
     | 5-12 (day)Wellesley, MA45 Dana Road
    WellesleyMA 02482
    781-235-3010 x2531
  • 98. 
    1883Gr. 9-12

    6-12 (day)
     | 6-12 (day)Houghton, NY9790 Thayer Street
    HoughtonNY 14744
    585-567-8115
  • 99.-101. 
    1884Gr. 9-12Tacoma, WA827 N. Tacoma Avenue
    TacomaWA 98403
    (253) 284-8600
  • 99.-101. 
    Groton School
    (Episcopal)
    1884
    Gr. 8-12Groton, MA282 Farmers Row, Box 991
    GrotonMA 01450
    978-448-7510
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