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Oldest Founding Date
Among "All Schools," view the twenty boarding schools with the "oldest founding date." First, some important notes:

  • The "founding dates" below are the dates that schools have traditionally listed as the official year of their founding.

  • 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 All Schools (out of 242 schools)

Sorted by range (alphabetically within range) * Indicates Boarding Grades Offered
Boarding School
School Type
Grades*
Year Founded
1.  West Nottingham AcademyCo-Ed
   9-12, PG
1744
2.  Linden HallAll-Girls
   6-12, PG
1746
3.  The Governor's Academy
(formerly Governor Dummer Academy)
Co-Ed
   9-12
1763
4.  Salem AcademyAll-Girls
   9-12
1772
5.  Phillips Academy AndoverCo-Ed
   9-12, PG
1778
6.  Phillips Exeter AcademyCo-Ed
   9-12, PG
1781
7.  Georgetown Preparatory SchoolAll-Boys
   9-12
1789
8.  Fryeburg AcademyCo-Ed
   9-12, PG
1792
9.  Lawrence AcademyCo-Ed
   9-12
1793
10. Cheshire AcademyCo-Ed
   9-12, PG
1794
11. Oakwood Friends SchoolCo-Ed
   9-12
1796
12. Deerfield AcademyCo-Ed
   9-12, PG
1797
13. Milton AcademyCo-Ed
   9-12
1798
14. Westtown SchoolCo-Ed
   9-12
1799
15. George Stevens AcademyCo-Ed
   9-12
1803
16.-17. Hebron AcademyCo-Ed
   9-12, PG
1804
16.-17. Wilbraham & Monson AcademyCo-Ed
   9-12, PG
1804
18. Bridgton AcademyAll-Boys
   12-12, PG
1808
19. Lawrenceville SchoolCo-Ed
   9-12, PG
1810
20. Kimball Union AcademyCo-Ed
   9-12, PG
1813

Sorted by range (alphabetically within range) * Indicates Boarding Grades Offered
Boarding School
School Type
Grades*
Year Founded
21.-22. Emma Willard SchoolAll-Girls
   9-12, PG
1814
21.-22. The Linsly SchoolCo-Ed
   7-12
1814
23. Brewster AcademyCo-Ed
   9-12, PG
1820
24. New Hampton SchoolCo-Ed
   9-12, PG
1821
25. Foxcroft AcademyCo-Ed
   9-12, PG
1823
26. Kents Hill SchoolCo-Ed
   9-12, PG
1824
27. Western Reserve AcademyCo-Ed
   9-12, PG
1826
28. Chapel Hill-Chauncy HallCo-Ed
   9-12, PG
1828
29. Grand River AcademyAll-Boys
   9-12, PG
1831
30. Suffield AcademyCo-Ed
   9-12, PG
1833
31. Gould AcademyCo-Ed
   9-12, PG
1836
32. Olney Friends SchoolCo-Ed
   9-12
1837
33. The Pennington SchoolCo-Ed
   7-12
1838
34. Episcopal High SchoolCo-Ed
   9-12
1839
35. The Williston Northampton SchoolCo-Ed
   9-12, PG
1841
36.-38. Saint James SchoolCo-Ed
   8-12
1842
36.-38. St. Johnsbury AcademyCo-Ed
   9-12, PG
1842
36.-38. Saint Mary's SchoolAll-Girls
   9-12
1842
39. Miss Porter's SchoolAll-Girls
   9-12, PG
1843
40.-41. Stuart Hall SchoolAll-Girls
   8-12
1844
40.-41. Wyoming Seminary Upper SchoolCo-Ed
   9-12, PG
1844
42. Tilton SchoolCo-Ed
   9-12, PG
1845
43.-45. Blair AcademyCo-Ed
   9-12, PG
1848
43.-45. Girard CollegeCo-Ed
   1-12
1848
43.-45. Proctor AcademyCo-Ed
   9-12, PG
1848
46.-47. The GunneryCo-Ed
   9-12, PG
1850
46.-47. San Domenico SchoolAll-Girls
   9-12
1850
48.-49. Buffalo SeminaryAll-Girls
   9-12
1851
48.-49. Hill SchoolCo-Ed
   9-12, PG
1851
50. Grier SchoolAll-Girls
   6-12, PG
1853
51. Wayland AcademyCo-Ed
   9-12
1855
52. St. Paul's SchoolCo-Ed
   9-12
1856
53.-54. Lake Forest AcademyCo-Ed
   9-12, PG
1857
53.-54. Saint John's Preparatory SchoolCo-Ed
   9-12, PG
1857
55. Shattuck-St. Mary's SchoolCo-Ed
   6-12, PG
1858
56. Peddie SchoolCo-Ed
   9-12, PG
1864
57.-58. Cushing AcademyCo-Ed
   9-12, PG
1865
57.-58. St. Mark's SchoolCo-Ed
   9-12
1865
59.-61. The Bishop Strachan SchoolAll-Girls
   7-12
1867
59.-61. Oldfields SchoolAll-Girls
   8-12, PG
1867
59.-61. The Storm King SchoolCo-Ed
   9-12
1867
62. St. Andrew's-Sewanee SchoolCo-Ed
   9-12
1868
63.-64. Oregon Episcopal SchoolCo-Ed
   9-12
1869
63.-64. Stoneleigh-Burnham SchoolAll-Girls
   7-12, PG
1869
65. The Webb SchoolCo-Ed
   7-12, PG
1870
66. Stanstead CollegeCo-Ed
   7-12
1872
67.-68. Academy of the Holy FamilyAll-Girls
   9-12, PG
1874
67.-68. Loomis Chaffee SchoolCo-Ed
   9-12, PG
1874
69.-70. Perkiomen SchoolCo-Ed
   7-12, PG
1875
69.-70. Wasatch AcademyCo-Ed
   9-12, PG
1875
71.-72. Tabor AcademyCo-Ed
   9-12
1876
71.-72. Vermont AcademyCo-Ed
   9-12, PG
1876
73. The Masters SchoolCo-Ed
   9-12
1877
74.-75. Miller SchoolCo-Ed
   8-12, PG
1878
74.-75. Oak Hill AcademyCo-Ed
   8-12
1878
76.-78. Fishburne Military SchoolAll-Boys
   8-12
1879
76.-78. Holderness SchoolCo-Ed
   9-12, PG
1879
76.-78. Northfield Mount Hermon SchoolCo-Ed
   9-12, PG
1879
79.-80. The King's AcademyCo-Ed
   7-12
1880
79.-80. Wentworth Military Academy & CollegeCo-Ed
   9-12, PG
1880
81. Dana Hall SchoolAll-Girls
   9-12
1881
82. St. Timothy's SchoolAll-Girls
   9-12, PG
1882
83. Houghton AcademyCo-Ed
   9-12, PG
1883
84.-87. Annie Wright SchoolAll-Girls
   9-12
1884
84.-87. Groton SchoolCo-Ed
   8-12
1884
84.-87. Howe Military School & Summer CampCo-Ed
   5-12
1884
84.-87. St. John's Northwestern Military AcademyAll-Boys
   7-12
1884
88.-89. The Cambridge School of WestonCo-Ed
   9-12, PG
1886
88.-89. White Mountain SchoolCo-Ed
   9-12, PG
1886
90. Subiaco AcademyAll-Boys
   8-12
1887
91.-92. The Kiski SchoolAll-Boys
   9-12, PG
1888
91.-92. Westminster SchoolCo-Ed
   9-12, PG
1888
93.-99. Hoosac SchoolCo-Ed
   8-12, PG
1889
93.-99. Missouri Military AcademyAll-Boys
   6-12, PG
1889
93.-99. New York Military AcademyCo-Ed
   7-12
1889
93.-99. Ridley CollegeCo-Ed
   5-12, PG
1889
93.-99. St. Catherine's Military AcademyAll-Boys
   4-8
1889
93.-99. The Thacher SchoolCo-Ed
   9-12
1889
93.-99. Woodberry Forest SchoolAll-Boys
   9-12
1889
100.-102. Choate Rosemary HallCo-Ed
   9-12, PG
1890
100.-102. The MacDuffie SchoolCo-Ed
   9-12
1890
100.-102. Scattergood Friends SchoolCo-Ed
   9-12, PG
1890
103.-105. Ashbury CollegeCo-Ed
   9-12
1891
103.-105. The Hotchkiss SchoolCo-Ed
   9-12, PG
1891
103.-105. New Mexico Military InstituteCo-Ed
   9-12, PG
1891
106.-107. Camden Military AcademyAll-Boys
   7-12, PG
1892
106.-107. Randolph-Macon AcademyCo-Ed
   6-12, PG
1892
108.-112. Baylor SchoolCo-Ed
   9-12
1893
108.-112. George SchoolCo-Ed
   9-12
1893
108.-112. Mercersburg AcademyCo-Ed
   9-12, PG
1893
108.-112. St. Andrew's School - RICo-Ed
   9-12
1893
108.-112. TMI -The Episcopal School of TexasCo-Ed
   9-12
1893
113.-116. Chatham HallAll-Girls
   9-12
1894
113.-116. Culver AcademiesCo-Ed
   9-12
1894
113.-116. Havergal CollegeAll-Girls
   9-12
1894
113.-116. Pomfret SchoolCo-Ed
   9-12, PG
1894
117. St. George's SchoolCo-Ed
   9-12
1896
118.-119. Fork Union Military AcademyAll-Boys
   6-12, PG
1898
118.-119. Miss Hall's SchoolAll-Girls
   9-12
1898
120.-121. Massanutten Military AcademyCo-Ed
   7-12, PG
1899
120.-121. St. Andrew's CollegeAll-Boys
   6-12
1899
122.-123. Asheville SchoolCo-Ed
   9-12
1900
122.-123. Christ SchoolAll-Boys
   8-12
1900
124.-125. Middlesex SchoolCo-Ed
   9-12
1901
124.-125. Salisbury SchoolAll-Boys
   9-12, PG
1901
126. Rabun Gap-Nacoochee SchoolCo-Ed
   7-12
1903
127. The Knox SchoolCo-Ed
   7-12
1904
128.-130. Darlington SchoolCo-Ed
   9-12, PG
1905
128.-130. McCallie SchoolAll-Boys
   9-12
1905
128.-130. Northwood SchoolCo-Ed
   9-12, PG
1905
131.-134. Kent SchoolCo-Ed
   9-12, PG
1906
131.-134. The Madeira SchoolAll-Girls
   9-12
1906
131.-134. The Oxford AcademyAll-Boys
   9-12, PG
1906
131.-134. St. Michaels University SchoolCo-Ed
   8-12
1906
135.-138. Berkshire SchoolCo-Ed
   9-12, PG
1907
135.-138. Riverside Military AcademyAll-Boys
   7-12
1907
135.-138. San Marcos Baptist AcademyCo-Ed
   7-12
1907
135.-138. Trinity Pawling SchoolAll-Boys
   9-12, PG
1907
139.-142. Blue Ridge SchoolAll-Boys
   9-12
1909
139.-142. Hargrave Military AcademyAll-Boys
   7-12, PG
1909
139.-142. Tallulah Falls SchoolCo-Ed
   7-12
1909
139.-142. Westover SchoolAll-Girls
   9-12
1909
143.-147. Andrews Osborne AcademyCo-Ed
   7-12
1910
143.-147. Army and Navy AcademyAll-Boys
   7-12
1910
143.-147. Cate SchoolCo-Ed
   9-12
1910
143.-147. Garrison Forest SchoolAll-Girls
   8-12
1910
143.-147. St. Anne's-Belfield SchoolCo-Ed
   9-12
1910
148.-150. Cotter SchoolsCo-Ed
   9-12, PG
1911
148.-150. The Ethel Walker SchoolAll-Girls
   9-12
1911
148.-150. Ojai Valley SchoolCo-Ed
   3-12
1911
151. Montverde AcademyCo-Ed
   7-12, PG
1912
152. The Hockaday SchoolAll-Girls
   8-12
1913
153.-154. Foxcroft SchoolAll-Girls
   9-12
1914
153.-154. The Hun School of PrincetonCo-Ed
   9-12, PG
1914
155. Canterbury SchoolCo-Ed
   9-12, PG
1915
156.-157. Shawnigan Lake SchoolCo-Ed
   8-12
1916
156.-157. Virginia Episcopal SchoolCo-Ed
   9-12
1916
158. CFS, The School at Church FarmAll-Boys
   7-12
1918
159.-161. Christchurch SchoolAll-Boys
   8-12, PG
1921
159.-161. Oakdale Christian AcademyCo-Ed
   7-12
1921
159.-161. St. Margaret's SchoolAll-Girls
   8-12
1921
162.-165. Concord AcademyCo-Ed
   9-12
1922
162.-165. Cranbrook SchoolsCo-Ed
   9-12
1922
162.-165. The Stony Brook SchoolCo-Ed
   7-12
1922
162.-165. The Webb SchoolsCo-Ed
   9-12
1922
166.-167. Brentwood College SchoolCo-Ed
   9-12
1923
166.-167. South Kent SchoolAll-Boys
   9-12, PG
1923
168.-169. Southwestern AcademyCo-Ed
   7-12, PG
1924
168.-169. Villanova Preparatory SchoolCo-Ed
   9-12
1924
170. Solebury SchoolCo-Ed
   9-12
1925
171.-175. Brooks SchoolCo-Ed
   9-12
1926
171.-175. The Gow SchoolAll-Boys
   7-12, PG
1926
171.-175. Monte Vista Christian SchoolCo-Ed
   9-12
1926
171.-175. Portsmouth Abbey SchoolCo-Ed
   9-12
1926
171.-175. The Winchendon SchoolCo-Ed
   9-12, PG
1926
176. Avon Old Farms SchoolAll-Boys
   9-12, PG
1927
177.-180. Brenau AcademyAll-Girls
   9-12, PG
1928
177.-180. Buxton SchoolCo-Ed
   9-12
1928
177.-180. Interlochen Arts AcademyCo-Ed
   9-12, PG
1928
177.-180. Valley Forge Military AcademyAll-Boys
   7-12, PG
1928
181.-184. Fountain Valley School of ColoradoCo-Ed
   9-12
1929
181.-184. The Leelanau SchoolCo-Ed
   9-12
1929
181.-184. The Orme School of ArizonaCo-Ed
   8-12, PG
1929
181.-184. St. Andrew's School, DECo-Ed
   9-12
1929
185. The Forman SchoolCo-Ed
   9-12, PG
1930
186.-187. Flintridge Sacred Heart AcademyAll-Girls
   9-12
1931
186.-187. Millbrook SchoolCo-Ed
   9-12
1931
188.-189. Darrow SchoolCo-Ed
   9-12
1932
188.-189. Midland SchoolCo-Ed
   9-12
1932
190.-191. Admiral Farragut AcademyCo-Ed
   6-12
1933
190.-191. The Bolles SchoolCo-Ed
   7-12, PG
1933
192.-193. Dublin SchoolCo-Ed
   9-12, PG
1935
192.-193. The Putney SchoolCo-Ed
   9-12, PG
1935
194. Sedbergh SchoolCo-Ed
   7-12
1939
195. High Mowing SchoolCo-Ed
   9-12
1942
196.-198. Besant Hill School (Formerly Happy Valley School)Co-Ed
   9-12
1946
196.-198. The Phelps SchoolAll-Boys
   7-12, PG
1946
196.-198. Thomas Jefferson SchoolCo-Ed
   7-12, PG
1946
199. Verde Valley SchoolCo-Ed
   9-12
1948
200. Hawaii Preparatory AcademyCo-Ed
   6-12, PG
1949
201.-202. St. Stephen's Episcopal SchoolCo-Ed
   8-12
1950
201.-202. Santa Catalina SchoolAll-Girls
   9-12
1950
203.-204. Indian Springs SchoolCo-Ed
   9-12
1952
203.-204. Stevenson SchoolCo-Ed
   9-12
1952
205. Colorado Rocky Mountain SchoolCo-Ed
   9-12
1953
206. The Marvelwood SchoolCo-Ed
   9-12, PG
1956
207.-210. Dunn SchoolCo-Ed
   9-12
1957
207.-210. Lowell Whiteman SchoolCo-Ed
   9-12
1957
207.-210. North Broward Preparatory SchoolCo-Ed
   7-12
1957
207.-210. Woodside Priory SchoolCo-Ed
   9-12
1957
211. Brandon Hall SchoolCo-Ed
   4-12, PG
1959
212.-214. Florida Air AcademyCo-Ed
   6-12
1961
212.-214. Leysin American School in Switzerland (LAS)Co-Ed
   8-12, PG
1961
212.-214. Saint Andrew's SchoolCo-Ed
   9-12
1961
215. St. Thomas More SchoolAll-Boys
   8-12, PG
1962
216.-217. La Lumiere SchoolCo-Ed
   9-12, PG
1963
216.-217. Purnell SchoolAll-Girls
   9-12
1963
218. The Athenian SchoolCo-Ed
   9-12
1965
219. Hyde-BathCo-Ed
   9-12, PG
1966
220.-221. Eagle Hill SchoolCo-Ed
   8-12
1967
220.-221. Rosseau Lake CollegeCo-Ed
   7-12
1967
222.-223. Carlisle SchoolCo-Ed
   9-12
1968
222.-223. The Glenholme SchoolCo-Ed
   6-12, PG
1968
224. Landmark SchoolCo-Ed
   9-12
1971
225. Colorado Timberline AcademyCo-Ed
   9-12, PG
1975
226.-227. The Delphian SchoolCo-Ed
   3-12
1976
226.-227. TASIS The American School in EnglandCo-Ed
   9-12, PG
1976
228. Squaw Valley AcademyCo-Ed
   6-12
1978
229. Idyllwild Arts AcademyCo-Ed
   9-12, PG
1986
230. Nawa AcademyCo-Ed
   7-12
1988
231.-232. Bronte College of CanadaCo-Ed
   9-12, PG
1991
231.-232. The Outdoor AcademyCo-Ed
   10-11
1991
233. Family First AcademyCo-Ed
   8-12
1993
234.-235. Advanced Academy of GeorgiaCo-Ed
   11-12
1995
234.-235. CCI The Renaissance SchoolCo-Ed
   10-12, PG
1995
236. Hyde-WoodstockCo-Ed
   9-12, PG
1996
237. The Brook Hill SchoolCo-Ed
   8-12
1997
238. Country Day School, Costa RicaCo-Ed
   8-12
2000
239. EduKick Academic Soccer (Sports) Boarding School AcademiesCo-Ed
   8-12, PG
2001
240. Conserve SchoolCo-Ed
   9-12
2002
241. Oliverian SchoolCo-Ed
   9-12, PG
2003
242. St. Gilgen International SchoolCo-Ed
   6-12, PG
2006
243. Maharishi Academy of Total KnowledgeAll-Boys
   9-12
2007


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