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 200-400 Students", view the boarding schools with the oldest founding date (2019-20).
  • 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 (2019-20)

Among Schools with 200-400 Students (out of 112 schools)

Sorted by range (alphabetically within range)
  • Boarding School Year Founded Grades Location
  • 1.Rank: #1
    Linden Hall School
    Linden Hall School Photo
    All-Girls 
    1746
    Grades: 6-12, PG
    212 East Main Street
    LititzPA 17543
    (717)626-8512
  • 2.Rank: #2
    1792
    Grades: 9-12, PG
    PO Box 190, 66 Cutler Road
    East MachiasME 04630
    (207)255-8301
  • 3.Rank: #3
    1793
    Grades: 9-12
    44 Main Street, PO Box 992
    GrotonMA 01450
    (978)448-1530
  • 4.Rank: #4
    1794
    Grades: 9-12, PG
    10 Main Street
    CheshireCT 06410
    (203)439-7250
  • 5.Rank: #5
    Westtown School
    Westtown School Photo - Main building
    (Society of Friends)
    1799
    Grades: 9-12 | Pre-K-12 (day)
    975 Westtown Rd
    West ChesterPA 19382
    (610)399-7900
  • 6.Rank: #6
    1804
    Grades: 6-12, PG
    339 Paris Road PO Box 309
    HebronME 04238
    (207)966-5225
  • 7.Rank: #7
    1813
    Grades: 9-12, PG
    7 Campus Center, PO Box 188
    MeridenNH 03770
    (603)469-2100
  • 8.Rank: #8
    Emma Willard School
    Emma Willard School Photo - Emma Girls share a laugh in one of our historic dormitories.
    All-Girls 
    1814
    Grades: 9-12, PG
    285 Pawling Avenue
    TroyNY 12180
    (518)833-1320
  • 9.Rank: #9
    1820
    Grades: 9-12, PG
    80 Academy Drive
    WolfeboroNH 03894
    (603)569-7200
  • 10.Rank: #10
    1821
    Grades: 9-12, PG
    70 Main Street
    New HamptonNH 03256
    (603)677-3401
  • 11.Rank: #11
    1824
    Grades: 9-12, PG
    PO Box 257, 1614 Main St., Rte. 17
    Kents HillME 04349
    (207)685-1606
  • 12.Rank: #12
    St. Timothy's School
    St. Timothy's School Photo - The Commons is equal parts living room and dining room. The newest building on campus, the Commons is a gathering space that houses the dining hall and the new Redlands Cafe.
    All-Girls  (Episcopal)
    1832
    Grades: 9-12, PG
    8400 Greenspring Avenue
    StevensonMD 21153
    (410)486-7401
  • 13.-14.Rank: #13-14
    1836
    Grades: 7-12
    80 chemin Moulton Hill
    Sherbrooke, QuebecCanada J1M 1Z8
    (819)566-0238
  • 13.-14.Rank: #13-14
    1836

    Grades: 9-12, PG
    PO Box 860
    BethelME 04217
    (207)824-7777
  • 15.-17.Rank: #15-17
    1842
    Grades: 9-12
    16945 Bayview Ave
    Newmarket, OntarioCanada L3Y4X2
    (905)895-1700
  • 15.-17.Rank: #15-17
    Saint James School
    Saint James School Photo - Saint James' picturesque 689-acre campus is conveniently located only 70 miles from the Baltimore-Washington metropolitan area.
    (Episcopal)
    1842

    Grades: 8-12
    17641 College Road
    HagerstownMD 21740
    (301)733-9330
  • 15.-17.Rank: #15-17
    Saint Mary's School
    Saint Mary's School Photo - Saint Mary's School, established in 1842, is an independent, Episcopal, college-preparatory boarding and day school for girls in grades 9-12 in Raleigh, North Carolina. It is the fourth oldest girls' boarding/day school in the United States.
    All-Girls  (Episcopal)
    1842

    Grades: 9-12
    900 Hillsborough Street
    RaleighNC 27603
    (919)424-4100
  • 18.Rank: #18
    1843
    Grades: 9-12
    60 Main Street
    FarmingtonCT 06032
    (860)409-3530
  • 19.Rank: #19
    Stuart Hall School
    Stuart Hall School Photo - Students at Stuart Hall School come from all over the nation and the world. Our community is built on mutual trust and academic inquiry, and we seek to develop the personal character, honor, and creativity of each member of our school.
    (Episcopal)
    1844
    Grades: 8-12 | Pre-K-12 (day)
    235 West Frederick Street
    StauntonVA 24401
    (540)213-3746
  • 20.Rank: #20
    1845
    Grades: 9-12, PG
    30 School Street
    TiltonNH 03276
    (603)286-1733
  • 21.Rank: #21
    1848
    Grades: 9-12, PG
    204 Main Street - P.O. Box 500
    AndoverNH 03216
    (603)735-6652
  • 22.Rank: #22
    Grier School
    Grier School Photo
    All-Girls 
    1853
    Grades: 7-12, PG
    2522 Grier School Road
    TyronePA 16686
    (814)684-3000
  • 23.Rank: #23
    Saint Stanislaus High School
    Saint Stanislaus High School Photo - Mr. Anderson's chemistry class gets to perform cool experiments!
    All-Boys  (Catholic)
    1854
    Grades: 7-12
    304 S. Beach Blvd.
    Bay St. LouisMS 39520
    (228)467-9057
  • 24.Rank: #24
    1863
    Grades: 9-12
    1000 Green St.
    AtchisonKS 66002
    (913)367-5482
  • 25.-26.Rank: #25-26
    1865
    Grades: 9-12, PG
    39 School Street, P.O. Box 8000
    AshburnhamMA 01430
    (978)827-7300
  • 25.-26.Rank: #25-26
    St. Mark's School
    St. Mark's School Photo - St. Mark's School
    (Episcopal)
    1865

    Grades: 9-12
    25 Marlboro Road
    SouthboroughMA 01772
    (508)786-6118
  • 27.Rank: #27
    1868
    Grades: 8-12 | 6-12 (day)
    290 Quintard Rd.
    SewaneeTN 37375
    (931)598-5651
  • 28.Rank: #28
    1870
    Grades: 7-12 | 6-12 (day)
    319 Webb Road East
    Bell BuckleTN 37020
    (931)389-6003
  • 29.Rank: #29
    1872
    Grades: 7-12
    450 Dufferein
    StansteadCanada 05830
    (819)876-2223
  • 30.-31.Rank: #30-31
    1875
    Grades: 6-12, PG
    200 Seminary Street
    PennsburgPA 18073
    (215)679-9511
  • 30.-31.Rank: #30-31
    1875

    Grades: 8-12, PG
    120 South 100 West
    Mt. PleasantUT 84647
    (435)462-1400
  • 32.Rank: #32
    1876
    Grades: 9-12, PG
    10 Long Walk
    Saxtons RiverVT 05154
    (802)869-6229
  • 33.Rank: #33
    1877
    Grades: 6-12
    40 College Hill Road
    Rothesay, New BrunswickCanada E2E 5H1
    (506)847-8224
  • 34.-35.Rank: #34-35
    Holderness School
    Holderness School Photo - Our alumni consistently tell us that our student run Job Program was formative for their future success, noting proudly that they were supervisors, event planners, and project managers before they even graduated high school.
    (Episcopal)
    1879
    Grades: 9-12, PG
    PO Box 1879
    PlymouthNH 03264
    (603)536-1747
  • 34.-35.Rank: #34-35
    1879

    Grades: 9-12
    4391 County Rd. 29
    LakefieldCanada K0L2H0
    (705)652-3324
  • 36.-38.Rank: #36-38
    1884
    Grades: 9-12
    827 N. Tacoma Avenue
    TacomaWA 98403
    (253)284-8600
  • 36.-38.Rank: #36-38
    Groton School
    (Episcopal)
    1884

    Grades: 8-12
    282 Farmers Row, Box 991
    GrotonMA 01450
    (978)448-7510
  • 36.-38.Rank: #36-38
    1884

    Grades: 7-12
    1101 Genesee Street
    DelafieldWI 53018
  • 39.Rank: #39
    1886
    Grades: 9-12, PG
    45 Georgian Road
    WestonMA 02493
    (781)642-8650
  • 40.-41.Rank: #40-41
    The Kiski School
    The Kiski School Photo - The Swank Student Center
    All-Boys 
    1888
    Grades: 9-12, PG
    1888 Brett Lane
    SaltsburgPA 15681
    (724)639-8035
  • 40.-41.Rank: #40-41
    1888

    Grades: 9-12, PG
    995 Hopmeadow Street
    SimsburyCT 06070
    (860)408-3060
  • 42.-44.Rank: #42-44
    1889
    Grades: 7-12, PG
    204 Grand Street
    MexicoMO 65265
    (573)581-1776
  • 42.-44.Rank: #42-44
    1889

    Grades: 9-12
    5025 Thacher Road
    OjaiCA 93023
    (805)640-3210
  • 42.-44.Rank: #42-44
    1889

    Grades: 9-12
    241 Woodberry Station
    Woodberry ForestVA 22989
    (888)798-9371
  • 45.Rank: #45
    1890
    Grades: 6-12, PG
    66 School Street
    GranbyMA 01033
    (413)255-0000
  • 46.Rank: #46
    1891
    Grades: 7-12
    1600 St. Bernard Drive, S.E.
    CullmanAL 35055
    (256)255-5890
  • 47.-48.Rank: #47-48
    1892
    Grades: 7-12, PG
    520 Hwy. 1 North
    CamdenSC 29020
    (800)948-6291
  • 47.-48.Rank: #47-48
    Randolph-Macon Academy
    Randolph-Macon Academy Photo - Randolph-Macon Academy's Flight Program includes a drone class called Unmanned Flight Operations. Students finish with the knowledge base for the FAA exam so they can obtain their commercial drone license if they so desire. This class is just one of the innovative offerings at R-MA.
    (United Methodist)
    1892

    Grades: 9-12, PG
    200 Academy Drive
    Front RoyalVA 22630
    (540)636-5484
  • 49.-50.Rank: #49-50
    1893
    Grades: 9-12, PG | 6-12, PG (day)
    63 Federal Road
    BarringtonRI 02806
    (401)246-1230
  • 49.-50.Rank: #49-50
    1893

    Grades: 9-12, PG
    12 Highland Street
    NatickMA 01760
    (508)650-5020
  • 51.Rank: #51
    1894
    Grades: 9-12, PG
    PO Box 128, 398 Pomfret Street
    PomfretCT 06258
    (860)963-6120
  • 52.Rank: #52
    St. George's School
    St. George's School Photo - Our 125-acre campus is on a hilltop overlooking the ocean.
    (Episcopal)
    1896
    Grades: 9-12
    P.O. Box 1910
    NewportRI 02840
    (401)842-6600
  • 53.-54.Rank: #53-54
    Fork Union Military Academy
    Fork Union Military Academy Photo - The cadets in parade formation. The first full dress parade of the year begins usually at the end of April and is on Sunday.
    All-Boys  (Baptist)
    1898
    Grades: 7-12, PG
    P.O. 278, 4744 James Madison Hwy
    Fork UnionVA 23055
    (800)462-3862
  • 53.-54.Rank: #53-54
    Miss Hall's School
    Miss Hall's School Photo - The Athletic Department at Miss Hall's instills in student-athletes the values of fitness, teamwork, and competition while inspiring each girl to master physical skills, envision her potential, strive to attain goals, build confidence, and experience the power of community pride.
    All-Girls 
    1898

    Grades: 9-12, PG
    492 Holmes Road, PO Box 1166
    PittsfieldMA 01201
    (413)499-1300
  • 55.-56.Rank: #55-56
    1900
    Grades: 9-12
    360 Asheville School Rd.
    AshevilleNC 28806
    (828)254-6345
  • 55.-56.Rank: #55-56
    Christ School
    Christ School Photo
    All-Boys  (Episcopal)
    1900

    Grades: 8-12
    500 Christ School Road
    AshevilleNC 28704
    (828)684-6232
  • 57.Rank: #57
    Salisbury School
    Salisbury School Photo - Salisbury School Dinning Hall
    All-Boys 
    1901
    Grades: 9-12, PG
    251 Canaan Road
    SalisburyCT 06068
    (860)435-5732
  • 58.Rank: #58
    The Madeira School
    The Madeira School Photo - Madeira's 376-acre campus in McLean, Virginia, overlooks the Potomac River from a perch just 12 miles northwest of Washington, D.C.
    All-Girls 
    1906
    Grades: 9-12, PG
    8328 Georgetown Pike
    McLeanVA 22102-1200
    (703)556-8273
  • 59.-61.Rank: #59-61
    1907
    Grades: 9-12, PG | 5-12, PG (day)
    4800 139th Avenue SE
    BellevueWA 98006
    (425)641-0700
  • 59.-61.Rank: #59-61
    1907

    Grades: 6-12 | K-12 (day)
    2801 Ranch Road 12
    San MarcosTX 78666
    (800)428-5120
  • 59.-61.Rank: #59-61
    Trinity-Pawling School
    Trinity-Pawling School Photo - We teach our art classes in a step-by-step manner-how to match pitch, to throw a pot, to draw a line. Even if you think you're not artistic, you'll build on these skills over time so you can develop your own creativity and awaken the artist in you.
    All-Boys  (Episcopal)
    1907

    Grades: 8-12, PG | 7-12, PG (day)
    700 Route 22
    PawlingNY 12564
    (845)855-4825
  • 62.-63.Rank: #62-63
    1910
    Grades: 7-12
    2605 Carlsbad Blvd.
    CarlsbadCA 92008
    (888)762-2338
  • 62.-63.Rank: #62-63
    1910

    Grades: 9-12
    1960 Cate Mesa Road, P.O. Box 5005
    CarpinteriaCA 93013
    (805)684-4127
  • 64.-66.Rank: #64-66
    Cotter Schools
    Cotter Schools Photo - Successful math team - Cotter Schools has placed first or second in State competition the last 20 years!
    (Catholic)
    1911
    Grades: 7-12
    1115 West Broadway Street
    WinonaMN 55987
    (507)453-5113
  • 64.-66.Rank: #64-66
    1911

    Grades: 9-12, PG | 6-12, PG (day)
    230 Bushy Hill Road
    SimsburyCT 06070
    (860)408-4200
  • 64.-66.Rank: #64-66
    1911

    Grades: 3-12 | Pre-K-12 (day)
    723 El Paseo Road
    OjaiCA 93023
    (805)646-1423
  • 67.Rank: #67
    Canterbury School
    Canterbury School Photo - Canterbury's student to teacher ratio is 11:1. The curriculum is extensive.
    (Catholic)
    1915
    Grades: 9-12, PG
    101 Aspetuck Avenue
    New MilfordCT 06776
    (860)210-3832
  • 68.Rank: #68
    1916
    Grades: 9-12
    400 VES Road
    LynchburgVA 24503
    (434)385-3607
  • 69.Rank: #69
    1920
    Grades: 5-9 | Pre-K-9 (day)
    P.O. Box 68 528 Pomfret Street
    PomfretCT 06258
    (860)928-1328
  • 70.Rank: #70
    Christchurch School
    Christchurch School Photo - "Set your course at the river. " Established in the Episcopal tradition, Christchurch is inclusive, welcoming students and families of all faiths and backgrounds.
    (Episcopal)
    1921
    Grades: 9-12
    49 Seahorse Lane
    ChristchurchVA 23031
    (804)758-2306
  • 71.-73.Rank: #71-73
    1922
    Grades: 9-12
    166 Main Street
    ConcordMA 01742
    (978)402-2250
  • 71.-73.Rank: #71-73
    Eaglebrook School
    Eaglebrook School Photo - At the heart of the school is the shared life of teachers, their families, and boys working together. This is the common room of Halsted House, one of five dormitories on campus.
    All-Boys 
    1922

    Grades: 6-9
    271 Pine Nook Road, P.O. Box 7
    DeerfieldMA 01342
    (413)774-9111
  • 71.-73.Rank: #71-73
    1922

    Grades: 5-9 | Pre-K-9 (day)
    211 Indian Mountain Road
    LakevilleCT 06039
    (435)480-0871
  • 74.Rank: #74
    1924
    Grades: 9-12
    12096 N. Ventura Ave
    OjaiCA 93023
    (805)646-1464
  • 75.-76.Rank: #75-76
    1925
    Grades: 3-9 | K-9 (day)
    94 Old Main Street, PO Box 8
    DeerfieldMA 01342
    (413)774-4209
  • 75.-76.Rank: #75-76
    1925

    Grades: 9-12, PG
    6832 Phillips Mill Road
    New HopePA 18938
    (215)862-5261
  • 77.-80.Rank: #77-80
    Brooks School
    Brooks School Photo - Come visit our beautiful 251 acre campus located on the shores of Lake Cochichewick.
    (Episcopal)
    1926
    Grades: 9-12
    1160 Great Pond Road
    North AndoverMA 01845
    (978)725-6272
  • 77.-80.Rank: #77-80
    1926

    Grades: 9-12, PG
    26 Chase Road
    ThompsonCT 06277
    (860)923-9245
  • 77.-80.Rank: #77-80
    1926

    Grades: 9-12
    285 Cory's Lane
    PortsmouthRI 02871
    (401)643-1248
  • 77.-80.Rank: #77-80
    1926

    Grades: 9-12, PG
    172 Ash Street
    WinchendonMA 01475
    (978)297-4476
  • 81.Rank: #81
    1928
    Grades: 7-12
    1001 Eagle Road
    WaynePA 19087
    (610)989-1200
  • 82.Rank: #82
    1929
    Grades: 9-12
    350 Noxontown Road
    MiddletownDE 19709
    (302)285-4231
  • 83.-84.Rank: #83-84
    1930
    Grades: 9-12, PG
    12 Norfolk Road, P.O. Box 80
    LitchfieldCT 06759
    (860)567-1802
  • 83.-84.Rank: #83-84
    1930

    Grades: 9-12
    6155 Fountain Valley School Road
    Colorado SpringsCO 80911
    (719)391-5251
  • 85.Rank: #85
    1931
    Grades: 9-12, PG
    131 Millbrook School Road
    MillbrookNY 12545
    (845)677-8261
  • 86.Rank: #86
    1933
    Grades: 8-12
    501 Park Street North
    St. PetersburgFL 33710
    (727)384-5500
  • 87.-88.Rank: #87-88
    1935
    Grades: 9-12
    610 Hillcrest Dr.
    Fergus FallsMN 56537
    (218)739-3371
  • 87.-88.Rank: #87-88
    1935

    Grades: 9-12
    418 Houghton Brook Road
    PutneyVT 05346
    (802)387-6219
  • 89.Rank: #89
    1945
    Grades: 6-9
    62 Alumni Drive
    CanaanNH 03741
    (603)523-3548
  • 90.Rank: #90
    1949
    Grades: 9-12, PG | K-12, PG (day)
    65-1692 Kohala Mountain Road
    KamuelaHI 96743
    (808)881-4321
  • 91.Rank: #91
    Santa Catalina School
    Santa Catalina School Photo - Volleyball in the Gym
    All-Girls  (Catholic)
    1950
    Grades: 9-12
    1500 Mark Thomas Drive
    MontereyCA 93940
    (831)655-9356
  • 92.-93.Rank: #92-93
    1957
    Grades: 8-12 | 6-12 (day)
    P.O. Box 98, 2555 W. Highway 154
    Los OlivosCA 93441
    (800)287-9197
  • 92.-93.Rank: #92-93
    1957

    Grades: 9-12 | 6-12 (day)
    302 Portola Road
    Portola ValleyCA 94028
    (650)851-8223
  • 94.Rank: #94
    1961
    Grades: 7-12, PG
    Chemin de la Source
    LeysinSwitzerland 1854
    0041244934888
  • 95.Rank: #95
    1964
    Grades: 9-12, PG
    Via Aventina 3
    RomeItaly 00153
    0039065750605
  • 96.Rank: #96
    1965
    Grades: 7-12, PG
    320 Iwo Jima Blvd
    HarlingenTX 78550
  • 97.Rank: #97
    1967
    Grades: 8-12
    P.O. Box 116 , 242 Old Petersham Road
    HardwickMA 01037
    (413)477-6000
  • 98.-99.Rank: #98-99
    Mount Michael Benedictine School
    Mount Michael Benedictine School Photo - Mount Michael Benedictine School
    All-Boys  (Catholic)
    1970
    Grades: 9-12
    22520 Mount Michael Road
    ElkhornNE 68022
    (402)238-1457
  • 98.-99.Rank: #98-99
    1970

    Grades: 9-12, PG | Pre-K-12, PG (day)
    6279 Hobbs Road
    SalisburyMD 21804
    (410)742-4464
  • 100.-101.Rank: #100-101
    1976
    Grades: 5-12 | Pre-K-12 (day)
    20950 SW Rock Creek Road
    SheridanOR 97378
    (503)843-3521
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