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 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 400+ Students (out of 105 schools)

Sorted by range (alphabetically within range)
  • Boarding School Year Founded Grades Location
  • 1.
    The Governor's Academy (formerly Governor Dummer Academy)
    (8)
    1763
    Grades: 9-12
    1 Elm Street
    Byfield, MA 01922
    978-499-3120
  • 2.
    Phillips Academy Andover
    (9)
    1778
    Grades: 9-12, PG
    180 Main Street
    Andover, MA 01810
    978-749-4050
  • 3.
    Phillips Exeter Academy
    (14)
    1781
    Grades: 9-12, PG
    20 Main Street
    Exeter, NH 03833
    603-777-3437
  • 4.
    Georgetown Preparatory School
    All-Boys  (Catholic)
    (3)
    1789
    Grades: 9-12
    10900 Rockville Pike
    North Bethesda, MD 20852
    301-214-1215
  • 5.
    Fryeburg Academy
    1792
    Grades: 9-12, PG
    745 Main Street
    Fryeburg, ME 04037
    207-935-2013
  • 6.
    Cheshire Academy
    (4)
    1794
    Grades: 9-12, PG
    10 Main Street
    Cheshire, CT 06410
    2034397250
  • 7.
    Deerfield Academy
    (6)
    1797
    Grades: 9-12, PG
    7 Boyden Lane
    Deerfield, MA 01342
    413-774-1400
  • 8.
    Milton Academy
    (7)
    1798
    Grades: 9-12 | K-12 (day)
    170 Centre Street
    Milton, MA 02186
    617-898-2227
  • 9.-10.
    Lincoln Academy
    (1)
    1801
    Grades: 9-12
    81 Academy Hill
    Newcastle, ME 04553
    2075633596
  • 9.-10.
    The Woodstock Academy
    1801

    Grades: 9-12, PG
    57 Academy Rd.Woodstock, CT 06281
    Woodstock, CT 06281
    860-928-6575
Sorted by range (alphabetically within range)
  • Boarding School Year Founded Grades Location
  • 11.
    Wilbraham & Monson Academy
    (11)
    1804
    Grades: 8-12, PG | 6-12, PG (day)
    423 Main Street
    Wilbraham, MA 01095
    413-596-9107
  • 12.
    Lawrenceville School
    (5)
    1810
    Grades: 9-12, PG
    2500 Main Street
    Lawrenceville, NJ 08648
    8007352030
  • 13.
    Thornton Academy
    1811
    Grades: 6-12
    438 Main Street
    Saco, ME 04072
    207-282-5383
  • 14.
    The Linsly School
    1814
    Grades: 7-12 | 5-12 (day)
    60 Knox Lane
    Wheeling, WV 26003
    304-233-1436
  • 15.
    Foxcroft Academy
    1823
    Grades: 9-12, PG
    975 West Main Street
    Dover Foxcroft, ME 04426
    207-564-8664
  • 16.
    Suffield Academy
    (11)
    1833
    Grades: 9-12, PG
    Suffield Academy
    Suffield, CT 06078
    860-386-4440
  • 17.
    Worcester Academy
    1834
    Grades: 9-12, PG | 6-12, PG (day)
    81 Providence Street
    Worcester, MA 01604
    508-459-5481
  • 18.
    The Pennington School
    (United Methodist)
    1838
    Grades: 8-12 | 6-12 (day)
    112 West Delaware Avenue
    Pennington, NJ 08534
    609-737-6128
  • 19.
    Episcopal High School
    (Episcopal)
    (12)
    1839
    Grades: 9-12
    1200 N. Quaker Lane
    Alexandria, VA 22302
    877-933-4347
  • 20.
    The Williston Northampton School
    (17)
    1841
    Grades: 9-12, PG | 7-12, PG (day)
    19 Payson Avenue
    Easthampton, MA 01027
    (413) 529-3241
  • 21.
    St. Johnsbury Academy
    (2)
    1842
    Grades: 9-12, PG
    1000 Main Street, PO Box 906
    St. Johnsbury, VT 05819
    802-751-2130
  • 22.
    Wyoming Seminary Upper School
    (United Methodist)
    (5)
    1844
    Grades: 9-12, PG
    201 North Sprague Ave.
    Kingston, PA 18704
    570-270-2160
  • 23.
    Blair Academy
    (6)
    1848
    Grades: 9-12, PG
    PO Box 600
    Blairstown, NJ 07825
    908-362-6121
  • 24.
    Hill School
    (8)
    1851
    Grades: 9-12, PG
    717 East High Street
    Pottstown, PA 19464
    610-326-1000
  • 25.
    St. Paul's School
    (Episcopal)
    (3)
    1856
    Grades: 9-12
    325 Pleasant Street
    Concord, NH 03301
    603-229-4700
  • 26.
    Lake Forest Academy
    (2)
    1857
    Grades: 9-12, PG
    1500 West Kennedy Road
    Lake Forest, IL 60045
    847-615-3267
  • 27.
    Shattuck-St. Mary's School
    (Episcopal)
    (3)
    1858
    Grades: 9-12, PG
    1000 Shumway Avenue
    Faribault, MN 55021
    507-333-1618
  • 28.
    'Iolani School
    (Episcopal)
    1863
    Grades: 9-12 | K-12 (day)
    563 Kamoku Street
    Honolulu, HI 96826
    808-943-2279
  • 29.
    Peddie School
    (12)
    1864
    Grades: 9-12, PG
    201 South Main Street
    Hightstown, NJ 08520
    609-944-7501
  • 30.
    Trinity College School
    (Anglican)
    1865
    Grades: 9-12 | 5-12 (day)
    55 Deblaquire St N.
    Port Hope, Canada L1A4K
    19058853217
  • 31.-32.
    Fay School
    1866
    Grades: 7-9 | K-9 (day)
    48 Main Street
    Southborough, MA 01772
    5084908201
  • 31.-32.
    Maine Central Institute
    1866

    Grades: 9-12, PG
    295 Main Street
    Pittsfield, ME 04967
    207-487-2282
  • 33.
    Lyndon Institute
    1867
    Grades: 9-12
    PO Box 127, 168 Institute Circle
    Lyndon Center, VT 05850
    802-535-3700
  • 34.
    Oregon Episcopal School
    (Episcopal)
    1869
    Grades: 9-12, PG | Pre-K-12, PG (day)
    6300 SW Nicol Road
    Portland, OR 97223
    503-768-3115
  • 35.
    Amerigo Twin Cities Cretin-Derham Hall
    (Catholic)
    1871
    Grades: 9-12
    550 S. Albert St.
    Saint Paul, MN 55116
    3124161955
  • 36.
    Loomis Chaffee
    (17)
    1874
    Grades: 9-12, PG
    Office of Admission
    Windsor, CT 06095
    860-687-6400
  • 37.
    Tabor Academy
    (7)
    1876
    Grades: 9-12
    66 Spring Street
    Marion, MA 02738
    508-291-8300
  • 38.
    The Masters School
    (8)
    1877
    Grades: 9-12
    49 Clinton Avenue
    Dobbs Ferry, NY 10522
    914-479-6420
  • 39.
    Northfield Mount Hermon
    (12)
    1879
    Grades: 9-12, PG
    One Lamplighter Way
    Mount Hermon, MA 01354
    413-498-3227
  • 40.
    The King's Academy
    (Christian)
    (3)
    1880
    Grades: 7-12, PG | Pre-K-12, PG (day)
    202 Smothers Road
    Seymour, TN 37865
    865-573-8321
  • 41.
    Dana Hall School
    All-Girls 
    (4)
    1881
    Grades: 9-12
    45 Dana Road
    Wellesley, MA 02482
    781-235-3010 x2531
  • 42.
    Shady Side Academy
    1883
    Grades: 9-12
    423 Fox Chapel Road
    Pittsburgh, PA 15238
    412-968-3180
  • 43.
    Orchard Lake St. Mary's Preparatory
    All-Boys  (Catholic)
    (2)
    1885
    Grades: 9-12
    3535 Commerce Rd.
    Orchard Lake, MI 48324
    2484311697
  • 44.-45.
    Ridley College
    (4)
    1889
    Grades: 5-12, PG | Pre-K-12, PG (day)
    2 Ridley Road
    St Catharines, Canada l2r 7c3
    905-684-1889
  • 44.-45.
    Roanoke Catholic School
    (Catholic)
    1889

    Grades: 8-12 | Pre-K-12 (day)
    621 N Jefferson St
    Roanoke, VA 24016
    540-982-3532
  • 46.-47.
    Choate Rosemary Hall
    (17)
    1890
    Grades: 9-12, PG
    333 Christian Street
    Wallingford, CT 06492
    203-697-2239
  • 46.-47.
    The Taft School
    (1)
    1890

    Grades: 9-12, PG
    110 Woodbury Road
    Watertown, CT 06795
    860-945-7700
  • 48.-50.
    Ashbury College
    (4)
    1891
    Grades: 9-12 | 4-12 (day)
    362 Mariposa Avenue
    Ottawa, Canada K1M0T3
    613-749-9630
  • 48.-50.
    The Hotchkiss School
    (9)
    1891

    Grades: 9-12, PG
    11 Interlaken Road
    Lakeville, CT 06039
    860-435-3102
  • 48.-50.
    New Mexico Military Institute
    (7)
    1891

    Grades: 9-12, PG
    101 West College Blvd
    Roswell, NM 88201
    800-421-5376
  • 51.-54.
    Baylor School
    (2)
    1893
    Grades: 9-12 | 6-12 (day)
    171 Baylor School Road
    Chattanooga, TN 37405
    423-267-5902
  • 51.-54.
    George School
    (Society of Friends)
    (2)
    1893

    Grades: 9-12
    1690 Newtown Langhorne Road
    Newtown, PA 18940
    215-579-6547
  • 51.-54.
    Mercersburg Academy
    (20)
    1893

    Grades: 9-12, PG
    300 East Seminary Street
    Mercersburg, PA 17236
    717-328-6173
  • 51.-54.
    TMI Episcopal
    (Episcopal)
    1893

    Grades: 9-12
    20955 West Tejas Trail
    San Antonio, TX 78257
    2106987171
  • 55.
    Culver Academies
    (16)
    1894
    Grades: 9-12
    1300 Academy Road
    Culver, IN 46511
    574-842-7100
  • 56.
    Middlesex School
    (24)
    1901
    Grades: 9-12
    1400 Lowell Road
    Concord, MA 01742
    978-371-6524
  • 57.-58.
    Branksome Hall
    All-Girls 
    1903
    Grades: 7-12 | Pre-K-12 (day)
    10 Elm Avenue
    Toronto, Canada 00000
    416-920-9741
  • 57.-58.
    Rabun Gap-Nacoochee School
    (Presbyterian)
    (1)
    1903

    Grades: 7-12 | Pre-K-12 (day)
    339 Nacoochee Drive
    Rabun Gap, GA 30568
    706-746-7720
  • 59.-60.
    Darlington School
    (9)
    1905
    Grades: 9-12, PG | Pre-K-12, PG (day)
    1014 Cave Spring Road, SW
    Rome, GA 30161
    706-235-6051
  • 59.-60.
    McCallie School
    All-Boys 
    (2)
    1905

    Grades: 9-12 | 6-12 (day)
    500 Dodds Avenue
    Chattanooga, TN 37404
    1-800-234-2163
  • 61.-62.
    Kent School
    (Episcopal)
    (22)
    1906
    Grades: 9-12, PG
    PO Box 2006
    Kent, CT 06757
    860-927-6111
  • 61.-62.
    St. Michaels University School
    1906

    Grades: 8-12 | K-12 (day)
    3400 Richmond Road
    Victoria, Canada V8P 4P5
    (250) 370-6170
  • 63.-64.
    Berkshire School
    (12)
    1907
    Grades: 9-12, PG
    245 North Undermountain Road
    Sheffield, MA 01257
    413-229-1003
  • 63.-64.
    Riverside Military Academy
    All-Boys 
    (5)
    1907

    Grades: 7-12
    2001 Riverside Drive
    Gainesville, GA 30501
    1-800-462-2338
  • 65.
    Tallulah Falls School
    (2)
    1909
    Grades: 7-12 | 5-12 (day)
    PO Box 10
    Tallulah Falls, GA 30573
    706-754-0400
  • 66.-67.
    Chaminade College Preparatory School
    All-Boys  (Catholic)
    1910
    Grades: 6-12
    425 South Lindbergh Blvd.
    St. Louis, MO 63131
    314-692-6640
  • 66.-67.
    St. Anne's-Belfield School
    1910

    Grades: 9-12
    2132 Ivy Road
    Charlottesville, VA 22903
    434-296-5106
  • 68.
    The Hockaday School
    All-Girls 
    1913
    Grades: 8-12 | Pre-K-12 (day)
    11600 Welch Road
    Dallas, TX 75229
    214-360-6526
  • 69.
    The Hun School of Princeton
    (1)
    1914
    Grades: 9-12, PG | 6-12, PG (day)
    176 Edgerstoune Road
    Princeton, NJ 08540
    609-921-7600
  • 70.
    Shawnigan Lake School
    (1)
    1916
    Grades: 8-12
    1975 Renfrew Road
    Shawnigan Lake, BC, Canada V0R2W1
    250-743-6207
  • 71.-72.
    Cranbrook Schools
    (9)
    1922
    Grades: 9-12
    PO Box 801 39221 Woodward Ave.
    Bloomfield Hills, MI 48303
    2486453610
  • 71.-72.
    The Webb Schools
    (29)
    1922

    Grades: 9-12
    1175 West Baseline Road
    Claremont, CA 91711
    909-482-5214
  • 73.
    Brentwood College School
    (1)
    1923
    Grades: 9-12, PG
    2735 Mt. Baker Road
    Mill Bay, BC V0R 2P1, Canada 1
    1-250-743-5521
  • 74.
    Monte Vista Christian School
    (1)
    1926
    Grades: 9-12
    2 School Way
    Watsonville, CA 95076
    831-768-6137
  • 75.-76.
    Avon Old Farms School
    All-Boys 
    (6)
    1927
    Grades: 9-12, PG
    500 Old Farms Road
    Avon, CT 06001
    800-464-2866
  • 75.-76.
    St. Francis High School * Located Near Buffalo, NY*
    All-Boys  (Catholic)
    1927

    Grades: 9-12
    4129 Lake Shore Road
    Hamburg, NY 14075
    716-627-1200
  • 77.
    St. George's School, Vancouver
    All-Boys 
    1930
    Grades: 8-12 | 1-12 (day)
    4175 West 29th Avenue
    Vancouver, BC, Canada 00001
    6042213915
  • 78.
    The Bolles School
    1933
    Grades: 7-12, PG | Pre-K-12, PG (day)
    7400 San Jose Blvd.
    Jacksonville, FL 32217
    9042565030
  • 79.
    St. Stephen's Episcopal School
    (Episcopal)
    (1)
    1949
    Grades: 8-12 | 6-12 (day)
    6500 St. Stephen's Drive
    Austin, TX 78746
    512-327-1213
  • 80.
    Amerigo Lexington, Lexington Catholic High School
    (Catholic)
    1951
    Grades: 9-12
    2250 Clays Mill Road
    Lexington, KY 40503
    312-496-5533
  • 81.
    Stevenson School
    (11)
    1952
    Grades: 9-12 | Pre-K-12 (day)
    3152 Forest Lake Road
    Pebble Beach, CA 93953
    831-625-8309
  • 82.
    TASIS The American School in Switzerland
    1956
    Grades: 6-12, PG | Pre-K-12, PG (day)
    Via Collina d'Oro
    Montagnola, Switzerland 6926
  • 83.
    North Broward Preparatory School
    1957
    Grades: 9-12
    7600 Lyons Road
    Coconut Creek, FL 33073
    954-305-6937
  • 84.-85.
    Amerigo Chicago Marian Catholic High School
    (Catholic)
    1958
    Grades: 9-12
    700 Ashland Avenue
    Chicago Heights, IL 60411
    312-496-5533
  • 84.-85.
    St. Croix Academy
    (Christian)
    1958

    Grades: 6-12
    1200 Oakdale Ave.
    St. Paul, MN 55118
    6514551521
  • 86.
    Collège du Léman Sàrl
    (1)
    1960
    Grades: 6-12 | Pre-K-12 (day)
    Route de Sauverny 74
    Geneva, Switzerland 1290
    0041227755656
  • 87.-89.
    Amerigo Maryland, Archbishop Curley High School
    All-Boys  (Catholic)
    1961
    Grades: 9-12
    3701 Sinclair Lane
    Baltimore, MD 21213
    312-496-5533
  • 87.-89.
    Saint Andrew's School
    (Episcopal)
    (3)
    1961

    Grades: 9-12
    3900 Jog Road
    Boca Raton, FL 33434
    561-210-2020
  • 87.-89.
    Sandy Spring Friends School
    (Quaker)
    1961

    Grades: 9-12 | Pre-K-12 (day)
    16923 Norwood Road
    Sandy Spring, MD 20860
    301-774-7455
  • 90.
    The Athenian School
    (1)
    1965
    Grades: 9-12 | 6-12 (day)
    2100 Mt. Diablo Scenic Blvd.
    Danville, CA 94506
    9253627223
  • 91.-93.
    Amerigo Napa Valley Justin-Siena High School
    (Catholic)
    1966
    Grades: 9-12
    4026 Maher St.
    Napa, CA 94558
    312-496-5533
  • 91.-93.
    Totino-Grace High School
    (Catholic)
    1966

    Grades: 9-12
    1350 Gardena Avenue NE
    Fridley, MN 55432
    763-586-6316
  • 91.-93.
    The Village School
    1966

    Grades: 7-12 | Pre-K-12 (day)
    1305 Whittington Drive
    Houston, TX 77077
    847-840-3064
  • 94.
    The King's Academy
    1970
    Grades: 8-12 | Pre-K-12 (day)
    8401 Belvedere Rd
    West Palm Beach, FL 33411
    561-657-3470
  • 95.
    Landmark School
    1971
    Grades: 9-12 | 2-12 (day)
    P.O. Box 227
    Prides Crossing, MA 01965
    978-236-3000
  • 96.
    IMG Academy
    (1)
    1978
    Grades: 5-12, PG | Pre-K-12, PG (day)
    5500 34th Street West
    Bradenton, FL 34210
    1-800-872-6425
  • 97.-98.
    Macleans College
    1980
    Grades: 9-12, PG
    2 Macleans roadBuck lands beach
    Auckland, New Zealand 2014
    4802730654
  • 97.-98.
    The Northwest School
    1980

    Grades: 9-12 | 6-12 (day)
    1415 Summit Avenue
    Seattle, WA 98122
    206-682-7309
  • 99.
    Bodwell High School
    1991
    Grades: 8-12
    955 Harbourside Drive
    North Vancouver, BC, Canada V7P 3S4
    1-604-998-1000
  • 100.
    The Brook Hill School
    (Christian)
    1997
    Grades: 8-12, PG | Pre-K-12, PG (day)
    1051 N Houston
    Bullard, TX 75757
    903-894-5000
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