Boarding School 학생 수 평균 수강 생 수합 격률 설립 된 해 캠퍼스 크기 1 . Missouri Military 250999 % 18892882 . Cotter High & Junior High 3402098 % 1912753 . The King ' s Academy 1391395 % 1880674 . Hargrave Military 3721192 % 19092145 . The Gow School 143590 % 19261006 . Florida Air Academy -- 90 % 1961357 . St . John ' s School 2001490 % 1962158 . Scattergood Friends 501090 % 18901209 . Colorado Timberline 46 - 90 % 19755310 . St . Johnsbury 9761589 % 184215011 . Oakwood Friends 1601286 % 17966312 . Randolph - Macon 4101486 % 189213513 . Army and Navy 3301485 % 19101614 . The Andrews School 1501085 % 191030015 . Stuart Hall School 1601085 % 1844816 . Olney Friends School 591085 % 183735017 . Grier School 202985 % 185332018 . High Mowing School 1121285 % 194212519 . The Winchendon 220685 % 192632620 . Squaw Valley Academy 95885 % 1978321 . San Marcos Baptist 2351285 % 190720022 . Leysin American School in 3301285 % 1960 - 23 . Sedbergh School 901085 % 1939120024 . Advanced Academy of 671484 % 199539425 . Wasatch Academy 1531083 % 18753026 . Purnell School 1201083 % 19638327 . Grand River Academy 118783 % 183120028 . Idyllwild Arts 2651482 % 198620629 . Foxcroft School 1901082 % 191450030 . The Kiski School 2101080 % 188836031 . Camden Military 2921280 % 1892 - 32 . Howe Military School & Summer 103880 % 188410033 . Wayland Academy 2211277 % 18555534 . Gould Academy 2401277 % 183645635 . St . Margaret ' s 1481176 % 1921936 . Oldfields School 1851475 % 186722537 . Wentworth Military Academy & Jr . 2201275 % 188013738 . The Forman School 170875 % 193010039 . Colorado Rocky Mountain 1701075 % 195335040 . St . Thomas More 2101575 % 196210041 . Ridley College 500 - 75 % 188910042 . The Outdoor Academy 32875 % 199118043 . Hawaii Preparatory 3311174 % 194922044 . New York Military 2891574 % 188916545 . Rabun Gap - Nacoochee 3371274 % 1903140046 . Saint John ' s Preparatory 2601673 % 1857240047 . Orme School 1981273 % 192930048 . Admiral Farragut 3881672 % 19333549 . Miller School 1401272 % 1878160050 . The Storm King 120772 % 18676551 . Salem Academy 1821270 % 17726452 . Darlington School 5041370 % 190550053 . Happy Valley School 95770 % 194645054 . Hoosac School 125870 % 188935055 . West Nottingham 2001070 % 174412056 . Ojai Valley School 3501670 % 191119557 . Monte Vista Christian 7552070 % 192610658 . Hebron Academy 2081268 % 1804150059 . The MacDuffie School 2261168 % 18901460 . Fryeburg Academy 6501568 % 17923561 . Montverde Academy 2001368 % 191212562 . Perkiomen School 2151268 % 187516563 . Dublin School 1301068 % 193530064 . Subiaco Academy 1651267 % 188715065 . Linden Hall School for 125867 % 17464766 . Christ School 1921067 % 190050067 . Western Reserve 3901266 % 182618068 . St . Anne ' s - Belfield 3301266 % 19104969 . Christchurch School 2201266 % 192112570 . Pomfret School 3451266 % 189450071 . The Madeira School 3101266 % 190637672 . The Ethel Walker 1881265 % 191160073 . Kimball Union 3101165 % 181375074 . Shattuck - St . Mary ' s 3801465 % 185825075 . Blue Ridge School 188865 % 190988076 . Virginia Episcopal 2701265 % 191616077 . The Webb School 2891265 % 187015078 . Chatham Hall 131965 % 189436279 . Dunn School 1901465 % 19575580 . Fork Union Military 5351565 % 1898100081 . Darrow School 123965 % 193236082 . Conserve School 1301565 % 2002120083 . Midland School 801265 % 1932286084 . Interlochen Arts 5001565 % 1928120085 . Hyde - Bath 2201263 % 196614586 . Hyde - Woodstock 1851263 % 199612387 . Tabor Academy 4951262 % 18768588 . Fountain Valley School of 2241262 % 1929110089 . Cushing Academy 4451260 % 186516290 . Miss Hall ' s School 1751060 % 18988591 . St . John ' s Northwestern Military 3151260 % 188415092 . Stoneleigh - Burnham 1501060 % 186910093 . Thomas Jefferson 801260 % 19462094 . Vermont Academy 2601160 % 187651595 . Villanova Preparatory 3251560 % 192412796 . Oliverian School 40660 % 2003120097 . Rosseau Lake College 1351460 % 19675398 . Trinity Pawling 300 - 60 % 190714099 . Blair Academy 4351159 % 1848315100 . St . Timothy ' s School 1301259 % 1882145101 . Brewster Academy 3601258 % 182080102 . Indian Springs 2891657 % 1952350103 . Flintridge Sacred Heart 4131857 % 193141104 . Avon Old Farms 3971256 % 19271000105 . Cheshire Academy 3851256 % 1794104106 . Lawrence Academy 3941456 % 1793100107 . Wyoming Seminary Upper 4391455 % 184418108 . Garrison Forest 2321455 % 1910115109 . Portsmouth Abbey 3541455 % 1926550110 . The Knox School 1151055 % 190450111 . Northwood School 168955 % 190580112 . Oregon Episcopal 2901455 % 186959113 . Dana Hall School 3381355 % 188150114 . St . Andrew ' s School - 2081255 % 189383115 . New Hampton School 3251254 % 1821300116 . Verde Valley School 115954 % 1948160117 . Millbrook School 2521254 % 1931800118 . Northfield Mount Hermon 7171353 % 18791500119 . Lake Forest Academy 3871253 % 1857150120 . Wilbraham and Monson 3171252 % 1804350121 . Tilton School 2001152 % 1845146122 . Westover School 2071251 % 1909125123 . Culver Academies 7601651 % 18941800124 . Kent School 5651250 % 19061300125 . Emma Willard School 3141150 % 1814137126 . The Gunnery 2911450 % 1850220127 . Tallulah Falls 1511150 % 1909500128 . The Webb Schools 3781550 % 192270129 . Woodberry Forest 3801150 % 18891100130 . Annie Wright School 1101050 % 188410131 . CFS , The School at Church 1801050 % 1918350132 . The Bishop Strachan 450 - 50 % 18677133 . Holderness School 2751350 % 1879620134 . Berkshire School 3711249 % 1907500135 . Hill School 4851249 % 1851300136 . Asheville School 2301249 % 1900300137 . Miss Porter ' s School 3261148 % 184350138 . The Masters School 4021247 % 187796139 . South Kent School 130846 % 1923500140 . The Stony Brook 3411446 % 192254141 . Proctor Academy 3431245 % 18483000142 . George School 5281445 % 1893265143 . Canterbury School 3701245 % 1915150144 . Salisbury School 2851245 % 1901725145 . Saint James School 2201244 % 1842750146 . The Williston Northampton 4601343 % 1841125147 . Stevenson School 5201443 % 195260148 . Westtown School 4001542 % 1799640149 . White Mountain 109740 % 1886250150 . St . Mark ' s School 3351039 % 1865250151 . Cranbrook Schools 7701639 % 1922319152 . Suffield Academy 4001036 % 1833340153 . Mercersburg Academy 4301236 % 1893300154 . Brooks School 3541235 % 1926242155 . Episcopal High 4351235 % 1839135156 . The Pennington 4691235 % 183854157 . Loomis Chaffee 7201434 % 1874300158 . Westminster School 3751234 % 1888230159 . Massanutten Military 200933 % 189940160 . St . George ' s School 3421032 % 1896125161 . St . Andrew ' s School , 2851132 % 19292400162 . Concord Academy 3651232 % 192226163 . The Governor ' s Academy ( formerly Governor Dummer 3721231 % 1763450164 . Cate School 2651130 % 1910150165 . Lawrenceville School 8071229 % 1810700166 . Choate Rosemary Hall 8521227 % 1890400167 . Middlesex School 3411126 % 1901350168 . The Bolles School 7801525 % 193352169 . Phillips Exeter 10501224 % 1781471170 . Groton School 3521324 % 1884355171 . The Hockaday School 4451524 % 1913100172 . Georgetown Preparatory 4471623 % 178995173 . Thacher School 242922 % 1889400174 . Peddie School 5301222 % 1864230175 . Hotchkiss School 5671221 % 1891555176 . Phillips Academy 10971320 % 1778500177 . Milton Academy 6801420 % 1798125178 . St . Paul ' s School 5241118 % 18562000179 . Deerfield Academy 6101216 % 1797280