Most Selective Boarding Schools

All Schools
All Schools 
400+ students
400+ students 
200-400 students
200-400 students 
< 200 students
< 200 students 
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Among "All Schools", view the boarding schools with the lowest acceptance rates (2021-22).
Acceptance rates listed below reflect the average rate of acceptance for all applicants (boarding and day applicants) in the previous year.
Keep in mind that acceptance rates may be lower or higher than the average acceptance rate depending on: what grade you are applying for, whether you are a boarding applicant or day student applicant, and the time of year you are applying.
Schools typically have the most openings for freshmen and sophomores (many schools do not accept incoming seniors), so applying for entrance into 9th or 10th grade may improve your chances of admission.
Acceptance rates between boarding applicants and day student applicants may differ (i.e., schools in certain areas may a higher ratio of day student applicants to day student openings, versus boarding applicants to boarding openings; the acceptance rate of some schools will actually be lower for day applicants and higher for boarding applicants).
Many, but not all, schools will accept applications after application deadlines, but admission generally becomes more difficult.

Lowest Acceptance Rates (2021-22)

Sorted by range (alphabetically within range)
  • Boarding School Acceptance Rate Grades Location
  • 1.-29.Rank: #1-29
    <25%
    Grades: 9-12
    4026 Maher St.
    NapaCA 94558
    (312) 416-1955
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    245 North Undermountain Road
    SheffieldMA 01257
    (413) 229-1003
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    PO Box 600
    BlairstownNJ 07825
    (800) 462-5247
  • 1.-29.Rank: #1-29
    Brooks School
    Brooks School Photo - Come visit our beautiful 251 acre campus located on the shores of Lake Cochichewick.
    (Episcopal)
    <25%

    Grades: 9-12
    1160 Great Pond Road
    North AndoverMA 01845
    (978) 725-6272
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12
    1960 Cate Mesa Road, P.O. Box 5005
    CarpinteriaCA 93013
    (805) 684-4127
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    333 Christian Street
    WallingfordCT 06492
    (203) 697-2239
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12
    166 Main Street
    ConcordMA 01742
    (978) 402-2250
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    7 Boyden Lane
    DeerfieldMA 01342
    (413) 774-1400
  • 1.-29.Rank: #1-29
    <25%

    Grades: 8-12
    P.O. Box 116 , 242 Old Petersham Road
    HardwickMA 01037
    (413) 477-6000
  • 1.-29.Rank: #1-29
    Georgetown Preparatory School
    Georgetown Preparatory School Photo - Average class size is 16. Student to teacher ratio is 8:1. Boarding Faculty to Student Ratio is 1:5
    All-Boys  (Catholic)
    <25%

    Grades: 9-12
    10900 Rockville Pike
    North BethesdaMD 20852
    (301) 214-1215
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12
    1 Elm Street
    ByfieldMA 01922
    (978) 499-3120
  • 1.-29.Rank: #1-29
    <25%

    Grades: 6-12
    14 Greenwood Lane
    PutneyVT 05346
    (802) 387-4545
  • 1.-29.Rank: #1-29
    Groton School
    (Episcopal)
    <25%

    Grades: 8-12
    282 Farmers Row, Box 991
    GrotonMA 01450
    (978) 448-7510
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    11 Interlaken Road
    LakevilleCT 06039
    (860) 435-3102
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    2500 Main Street, PO Box 6008
    LawrencevilleNJ 08648
    (609) 895-2030
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    4 Batchelder Road
    WindsorCT 06095
    (860) 687-6400
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12
    1400 Lowell Road
    ConcordMA 01742
    (978) 371-6524
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12 | K-12 (day)
    170 Centre Street
    MiltonMA 02186
    (617) 898-2227
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    180 Main Street
    AndoverMA 01810
    (978) 749-4050
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    20 Main Street
    ExeterNH 03833
    (603) 777-3437
  • 1.-29.Rank: #1-29
    St. George's School
    St. George's School Photo - Our 125-acre campus is on a hilltop overlooking the ocean.
    (Episcopal)
    <25%

    Grades: 9-12
    P.O. Box 1910
    NewportRI 02840
    (401) 842-6600
  • 1.-29.Rank: #1-29
    St. Paul's School
    St. Paul's School Photo - SPS 1
    (Episcopal)
    <25%

    Grades: 9-12
    325 Pleasant Street
    ConcordNH 03301
    (603) 229-4700
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    Suffield Academy
    SuffieldCT 06078
    (860) 386-4440
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12, PG
    110 Woodbury Road
    WatertownCT 06795
    (860) 945-7700
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12
    5025 Thacher Road
    OjaiCA 93023
    (805) 640-3210
  • 1.-29.Rank: #1-29
    <25%

    Grades: 10-12
    1460 Broadway Street #7032
    New YorkNY 10036
    (646) 504-6924
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12
    101 North University
    Beaver DamWI 53916
    (800) 860-7725
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12
    1175 West Baseline Road
    ClaremontCA 91711
    (909) 482-5214
  • 1.-29.Rank: #1-29
    <25%

    Grades: 9-12 | 6-12 (day)
    302 Portola Road
    Portola ValleyCA 94028
    (650) 851-8223
  • 30.-34.Rank: #30-34
    25%-30%
    Grades: 9-12, PG
    201 South Main Street
    HightstownNJ 08520
    (609) 944-7501
  • 30.-34.Rank: #30-34
    The Pennington School
    (United Methodist)
    25%-30%

    Grades: 8-12 | 6-12 (day)
    112 West Delaware Avenue
    PenningtonNJ 08534
    (609) 737-6128
  • 30.-34.Rank: #30-34
    25%-30%

    Grades: 9-12
    350 Noxontown Road
    MiddletownDE 19709
    (302) 285-4231
  • 30.-34.Rank: #30-34
    St. Mark's School
    St. Mark's School Photo - St. Mark's School
    (Episcopal)
    25%-30%

    Grades: 9-12
    25 Marlboro Road
    SouthboroughMA 01772
    (508) 786-6118
  • 30.-34.Rank: #30-34
    25%-30%

    Grades: 9-12, PG
    995 Hopmeadow Street
    SimsburyCT 06070
    (860) 408-3060
  • 35.-43.Rank: #35-43
    30%-35%
    Grades: 9-12
    1200 N. Quaker Lane
    AlexandriaVA 22302
    (877) 933-4347
  • 35.-43.Rank: #35-43
    30%-35%

    Grades: 9-12, PG
    860 Beech Street
    PottstownPA 19464
    (610) 326-1000
  • 35.-43.Rank: #35-43
    30%-35%

    Grades: 9-12, PG
    1500 West Kennedy Road
    Lake ForestIL 60045
    (847) 615-3267
  • 35.-43.Rank: #35-43
    30%-35%

    Grades: 9-12, PG
    100 Academy Drive
    MercersburgPA 17236
    (717) 328-6173
  • 35.-43.Rank: #35-43
    30%-35%

    Grades: 9-12, PG
    One Lamplighter Way
    Mount HermonMA 01354
    (413) 498-3227
  • 35.-43.Rank: #35-43
    30%-35%

    Grades: 9-12
    285 Cory's Lane
    PortsmouthRI 02871
    (401) 643-1248
  • 35.-43.Rank: #35-43
    Salisbury School
    Salisbury School Photo - Salisbury School
    All-Boys 
    30%-35%

    Grades: 9-12, PG
    251 Canaan Road
    SalisburyCT 06068
    (860) 435-5732
  • 35.-43.Rank: #35-43
    30%-35%

    Grades: 9-12, PG | 7-12, PG (day)
    19 Payson Avenue
    EasthamptonMA 01027
    (413) 529-3241
  • 43.-51.Rank: #43-51
    Canterbury School
    Canterbury School Photo - At Canterbury, you will develop the skills most essential to meeting future challenges and succeeding in college. These start with critical thinking, excellence in writing, and a solid foundation in digital literacy.
    (Catholic)
    35%-40%
    Grades: 9-12, PG
    101 Aspetuck Avenue
    New MilfordCT 06776
    (860) 210-3832
  • 43.-51.Rank: #43-51
    35%-40%

    Grades: 9-12 | Pre-K-12 (day)
    PO Box 801 39221 Woodward Ave.
    Bloomfield HillsMI 48303
    (248) 645-3610
  • 43.-51.Rank: #43-51
    Emma Willard School
    Emma Willard School Photo
    All-Girls 
    35%-40%

    Grades: 9-12, PG
    285 Pawling Avenue
    TroyNY 12180
    (518) 833-1320
  • 43.-51.Rank: #43-51
    Kent School
    Kent School Photo - Our campus is located along the shores of the Housatonic River, adjacent to the town of Kent.
    (Episcopal)
    35%-40%

    Grades: 9-12, PG
    PO Box 2006
    KentCT 06757
    (860) 927-6111
  • 43.-51.Rank: #43-51
    35%-40%

    Grades: 9-12
    44 Main Street, PO Box 992
    GrotonMA 01450
    (978) 448-1530
  • 43.-51.Rank: #43-51
    35%-40%

    Grades: 9-12, PG | Pre-K-12, PG (day)
    6300 SW Nicol Road
    PortlandOR 97223
    (503) 768-3115
  • 43.-51.Rank: #43-51
    35%-40%

    Grades: 9-12 | Pre-K-12 (day)
    2132 Ivy Road
    CharlottesvilleVA 22903
    (434) 296-5106
  • 43.-51.Rank: #43-51
    35%-40%

    Grades: 9-12, PG
    115 College Street
    HudsonOH 44236
    (330) 650-9717
  • 51.-60.Rank: #51-60
    40%-45%
    Grades: 9-12
    360 Asheville School Rd.
    AshevilleNC 28806
    (828) 254-6345
  • 51.-60.Rank: #51-60
    40%-45%

    Grades: 9-12 | 6-12 (day)
    2100 Mt. Diablo Scenic Blvd.
    DanvilleCA 94506
    (925) 362-7223
  • 51.-60.Rank: #51-60
    40%-45%

    Grades: 9-12, PG | K-12, PG (day)
    65-1692 Kohala Mountain Road
    KamuelaHI 96743
    (808) 881-4321
  • 51.-60.Rank: #51-60
    40%-45%

    Grades: 5-9 | Pre-K-9 (day)
    211 Indian Mountain Road
    LakevilleCT 06039
    (435) 480-0871
  • 51.-60.Rank: #51-60
    40%-45%

    Grades: 9-12 | 5-12 (day)
    49 Clinton Avenue
    Dobbs FerryNY 10522
    (914) 479-6420
  • 51.-60.Rank: #51-60
    Oldfields School
    Oldfields School Photo - Oldfields School`s Mission is to embrace each student`s authentic self, educate through collaboration, empower the individual voice, and inspire confidence and continual growth, leading to a life of purpose.
    All-Girls 
    40%-45%

    Grades: 8-12
    1500 Glencoe Road
    Sparks GlencoeMD 21152
    (443) 662-1050
  • 51.-60.Rank: #51-60
    40%-45%

    Grades: 9-12, PG
    371 West Farm Road
    BethlehemNH 03574
    (603) 444-2928
  • 51.-60.Rank: #51-60
    40%-45%

    Grades: 8-12, PG | 6-12, PG (day)
    423 Main Street
    WilbrahamMA 01095
    (413) 596-9107
  • 51.-60.Rank: #51-60
    40%-45%

    Grades: 9-12, PG
    172 Ash Street
    WinchendonMA 01475
    (978) 297-4476
  • 60.-77.Rank: #60-77
    45%-50%
    Grades: 9-12, PG
    500 Old Farms Road
    AvonCT 06001
    (800) 464-2866
  • 60.-77.Rank: #60-77
    Blue Ridge School
    Blue Ridge School Photo - Our lake offers students a chance to relax, fish, canoe - in the center of campus.
    All-Boys  (Episcopal)
    45%-50%

    Grades: 9-12
    273 Mayo Drive
    St. GeorgeVA 22935
    (434) 985-2811
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12, PG | Pre-K-12, PG (day)
    1014 Cave Spring Road, SW
    RomeGA 30161
    (706) 235-6051
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12, PG
    110 Darrow Road
    New LebanonNY 12125
    (518) 704-2765
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12
    18 Lehmann Way, PO Box 522
    DublinNH 03444
    (603) 563-7075
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12 | 6-12 (day)
    P.O. Box 98, 2555 W. Highway 154
    Los OlivosCA 93441
    (800) 287-9197
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 7-12, PG | 6-12, PG (day)
    230 Bushy Hill Road
    SimsburyCT 06070
    (860) 408-4200
  • 60.-77.Rank: #60-77
    Holderness School
    Holderness School Photo - In the Holderness classroom, each student is literally in the front row, with an average class size of 12. We offer AP courses spanning multiple disciplines and encourage students to pursue an intellectual passion of their own in their twelfth-grade year as part of the Senior Thesis program.
    (Episcopal)
    45%-50%

    Grades: 9-12, PG
    PO Box 1879
    PlymouthNH 03264
    (603) 536-1747
  • 60.-77.Rank: #60-77
    Hoosac School
    Hoosac School Photo - Hoosac School was founded in 1889.
    (Episcopal)
    45%-50%

    Grades: 8-12, PG
    PO Box 9
    HoosickNY 12089
    (518) 686-7331
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12
    60 Main Street
    FarmingtonCT 06032
    (860) 409-3530
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12 | 6-12 (day)
    1415 Summit Avenue
    SeattleWA 98122
    (206) 682-7309
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12, PG
    92 Northwood Road
    Lake PlacidNY 12946
    (518) 523-3382
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12, PG
    204 Main Street - P.O. Box 500
    AndoverNH 03216
    (603) 735-6652
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 7-12 | Pre-K-12 (day)
    339 Nacoochee Drive
    Rabun GapGA 30568
    (706) 746-7720
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 5-9 | K-9 (day)
    201 Romford Rd.
    WashingtonCT 06794
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12 | Pre-K-12 (day)
    1 Community School Drive
    Sun ValleyID 83353
    (208) 622-3955
  • 60.-77.Rank: #60-77
    45%-50%

    Grades: 9-12, PG
    12 Highland Street
    NatickMA 01760
    (508) 650-5020
  • 77.-99.Rank: #77-99
    50%-55%
    Grades: 3-9 | K-9 (day)
    94 Old Main Street, PO Box 8
    DeerfieldMA 01342
    (413) 774-4209
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 9-12, PG
    8585 Ojai Santa Paula Road
    OjaiCA 93023
    (805) 646-4343
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 9-12, PG | Pre-K-12, PG (day)
    7400 San Jose Blvd.
    JacksonvilleFL 32217
    (904) 256-5030
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 9-12, PG
    80 Academy Drive
    WolfeboroNH 03894
    (603) 569-7200
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 5-12 | Pre-K-12 (day)
    20950 SW Rock Creek Road
    SheridanOR 97378
    (503) 843-3521
  • 77.-99.Rank: #77-99
    Grier School
    Grier School Photo
    All-Girls 
    50%-55%

    Grades: 7-12, PG
    2522 Grier School Road
    TyronePA 16686
    (814) 684-3000
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 6-12, PG
    66 School Street
    GranbyMA 01033
    (413) 255-0000
  • 77.-99.Rank: #77-99
    The Madeira School
    The Madeira School Photo - Capitol Hill internships in the offices of senators and representatives are a hallmark of the junior year at Madeira
    All-Girls 
    50%-55%

    Grades: 9-12, PG
    8328 Georgetown Pike
    McLeanVA 22102-1200
    (703) 556-8273
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 9-12
    PO Box 8 / 5100 Figueroa Mountain Road
    Los OlivosCA 93441
    (805) 688-5114
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 9-12, PG
    70 Main Street
    New HamptonNH 03256
    (603) 677-3401
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 6-12 | Pre-K-12 (day)
    7600 Lyons Road
    Coconut CreekFL 33073
    (954) 247-0011
  • 77.-99.Rank: #77-99
    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)
    50%-55%

    Grades: 8-12
    17641 College Road
    HagerstownMD 21740
    (301) 733-9330
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 8-12 | 6-12 (day)
    6500 St. Stephen's Drive
    AustinTX 78746
    (512) 327-1213
  • 77.-99.Rank: #77-99
    St. Timothy's School
    St. Timothy's School Photo - Completed in 2012, Dixon Hall is our state-of-the-art academic building. The technology-rich facility features the Taft Lecture Hall, the Coleman World Languages and Cultures Center, and a Center for Learning and Teaching.
    All-Girls  (Episcopal)
    50%-55%

    Grades: 9-12, PG
    8400 Greenspring Avenue
    StevensonMD 21153
    (410) 486-7401
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 7-12 | 5-12 (day)
    201 Campus Drive, PO Box 10
    Tallulah FallsGA 30573
    (706) 754-0400
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 6-12
    438 Main Street
    SacoME 04072
    (207) 282-5383
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 9-12, PG
    30 School Street
    TiltonNH 03276
    (603) 286-1733
  • 77.-99.Rank: #77-99
    Trinity-Pawling School
    Trinity-Pawling School Photo - Find your home away from home on our stunning 230-acre campus. We're a buzzing community, with 8 dorms, state-of-the-art athletic facilities, a chapel, and an Arts Center with a theater and painting studios. Zip into New York City by train for cultural activities, or enjoy the great outdoors just minutes from campus.
    All-Boys  (Episcopal)
    50%-55%

    Grades: 8-12, PG | 7-12, PG (day)
    700 Route 22
    PawlingNY 12564
    (845) 855-4825
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 7-12 | Pre-K-12 (day)
    13051 Whittington Drive
    HoustonTX 77077
    (281) 496-7900
  • 77.-99.Rank: #77-99
    50%-55%

    Grades: 7-12 | 6-12 (day)
    319 Webb Road East
    Bell BuckleTN 37020
    (931) 389-6003
  • 77.-99.Rank: #77-99
    Westtown School
    Westtown School Photo - Main building
    (Society of Friends)
    50%-55%

    Grades: 9-12 | Pre-K-12 (day)
    975 Westtown Rd
    West ChesterPA 19382
    (610) 399-7900
  • 77.-99.Rank: #77-99
    Wyoming Seminary Upper School
    Wyoming Seminary Upper School Photo - Wyoming Seminary's athletic success stretches across all three seasons of competition. The Blue Knights field hockey team won their seventh state championship in 2018, while the wrestling team is ranked No. 2 in the country. Sem offers 22 varsity sports, including rowing and girls wrestling.
    (United Methodist)
    50%-55%

    Grades: 9-12, PG
    201 North Sprague Ave.
    KingstonPA 18704
    (570) 270-2160
  • 99.-109.Rank: #99-109
    55%-60%
    Grades: 9-12
    827 N. Tacoma Avenue
    TacomaWA 98403
    (253) 284-8601
  • 99.-109.Rank: #99-109
    55%-60%

    Grades: 9-12, PG
    10 Main Street
    CheshireCT 06410
    (203) 439-7250
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