Oldest Founding Date

Among "All Schools," view the 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 316 schools)

Sorted by range (alphabetically within range)
* Indicates Boarding Grades Offered
Boarding School
Type
Grades*
Year Founded
1.  West Nottingham Academy Co-Ed 9-12, PG 1744
2.  Linden Hall All-Girls 5-12, PG 1746
3.  The Governor's Academy
(formerly Governor Dummer Academy)		 Co-Ed 9-12 1763
4.  Salem Academy All-Girls 9-12 1772
5.  Phillips Academy Andover Co-Ed 9-12, PG 1778
6.  Phillips Exeter Academy Co-Ed 9-12, PG 1781
7.  Georgetown Preparatory School All-Boys 9-12 1789
8.-9.  Fryeburg Academy Co-Ed 9-12, PG 1792
8.-9.  Washington Academy Co-Ed 9-12, PG 1792
10. Lawrence Academy Co-Ed 9-12 1793
11. Cheshire Academy Co-Ed 8-12, PG 1794
12. Oakwood Friends School Co-Ed 9-12 1796
13. Deerfield Academy Co-Ed 9-12, PG 1797
14. Milton Academy Co-Ed 9-12 1798
15. Westtown School Co-Ed 9-12 1799
16.-17. Lincoln Academy Co-Ed 9-12 1801
16.-17. Woodstock Academy Co-Ed 9-12, PG 1801
18. George Stevens Academy Co-Ed 9-12 1803
19.-20. Hebron Academy Co-Ed 9-12, PG 1804
19.-20. Wilbraham & Monson Academy Co-Ed 9-12, PG 1804
21. Bridgton Academy All-Boys 12-12, PG 1808
22. Lawrenceville School Co-Ed 9-12, PG 1810
23. Thornton Academy Co-Ed 9-12 1811
24. Kimball Union Academy Co-Ed 9-12, PG 1813
25.-26. Emma Willard School All-Girls 9-12, PG 1814
25.-26. The Linsly School Co-Ed 7-12 1814
27.-28. Brewster Academy Co-Ed 9-12, PG 1820
27.-28. St. John's-Ravenscourt School Co-Ed 8-12 1820
29. New Hampton School Co-Ed 9-12, PG 1821
30. Foxcroft Academy Co-Ed 9-12 1823
Sorted by range (alphabetically within range)
* Indicates Boarding Grades Offered
Boarding School
Type
Grades*
Year Founded
31. Kents Hill School Co-Ed 9-12, PG 1824
32. Western Reserve Academy Co-Ed 9-12, PG 1826
33. Chapel Hill-Chauncy Hall Co-Ed 9-12, PG 1828
34. Grand River Academy All-Boys 9-12, PG 1831
35. Suffield Academy Co-Ed 9-12, PG 1833
36. Worcester Academy Co-Ed 9-12, PG 1834
37.-39. Bishop's College School Co-Ed 7-12 1836
37.-39. Carson Long Military Academy All-Boys 6-12 1836
37.-39. Gould Academy Co-Ed 9-12, PG 1836
40. Olney Friends School Co-Ed 9-12 1837
41. The Pennington School Co-Ed 8-12 1838
42. Episcopal High School Co-Ed 9-12 1839
43. The Williston Northampton School Co-Ed 9-12, PG 1841
44.-47. Pickering College Co-Ed 7-12 1842
44.-47. Saint James School Co-Ed 8-12 1842
44.-47. St. Johnsbury Academy Co-Ed 9-12, PG 1842
44.-47. Saint Mary's School All-Girls 9-12 1842
48. Miss Porter's School All-Girls 9-12 1843
49.-50. Stuart Hall School Co-Ed 8-12 1844
49.-50. Wyoming Seminary Upper School Co-Ed 9-12, PG 1844
51. Tilton School Co-Ed 9-12, PG 1845
52.-53. Blair Academy Co-Ed 9-12, PG 1848
52.-53. Proctor Academy Co-Ed 9-12, PG 1848
54.-55. The Gunnery Co-Ed 9-12, PG 1850
54.-55. San Domenico School All-Girls 9-12 1850
56.-57. Buffalo Seminary All-Girls 9-12 1851
56.-57. Hill School Co-Ed 9-12, PG 1851
58. Grier School All-Girls 7-12, PG 1853
59. St. Stanislaus College-Preparatory All-Boys 7-12 1854
60. Wayland Academy Co-Ed 9-12 1855
61. St. Paul's School Co-Ed 9-12 1856
62.-63. Lake Forest Academy Co-Ed 9-12, PG 1857
62.-63. Saint John's Preparatory School Co-Ed 9-12, PG 1857
64. Shattuck-St. Mary's School Co-Ed 6-12, PG 1858
65. Maur Hill - Mount Academy (MH-MA) Co-Ed 9-12, PG 1863
66. Peddie School Co-Ed 9-12, PG 1864
67.-69. Cushing Academy Co-Ed 9-12, PG 1865
67.-69. St. Mark's School Co-Ed 9-12 1865
67.-69. St. Mary's School Co-Ed 9-12 1865
70.-71. Fay School Co-Ed 7-9 1866
70.-71. Maine Central Institute Co-Ed 9-12, PG 1866
72.-75. The Bishop Strachan School All-Girls 7-12 1867
72.-75. Lyndon Institute Co-Ed 9-12, PG 1867
72.-75. Oldfields School All-Girls 8-12, PG 1867
72.-75. The Storm King School Co-Ed 8-12, PG 1867
76. St. Andrew's-Sewanee School Co-Ed 9-12 1868
77.-78. Oregon Episcopal School Co-Ed 9-12, PG 1869
77.-78. Stoneleigh-Burnham School All-Girls 7-12, PG 1869
79. The Webb School Co-Ed 7-12 1870
80. Stanstead College Co-Ed 7-12 1872
81.-82. Academy of the Holy Family All-Girls 9-12 1874
81.-82. The Loomis Chaffee School Co-Ed 9-12, PG 1874
83.-84. The Perkiomen School Co-Ed 6-12, PG 1875
83.-84. Wasatch Academy Co-Ed 7-12, PG 1875
85.-86. Tabor Academy Co-Ed 9-12 1876
85.-86. Vermont Academy Co-Ed 9-12, PG 1876
87.-88. The Masters School Co-Ed 9-12 1877
87.-88. Rothesay Netherwood School Co-Ed 6-12 1877
89.-90. Miller School of Albemarle Co-Ed 8-12, PG 1878
89.-90. Oak Hill Academy Co-Ed 8-12 1878
91.-95. Fishburne Military School All-Boys 7-12, PG 1879
91.-95. Holderness School Co-Ed 9-12, PG 1879
91.-95. Lakefield College School Co-Ed 9-12 1879
91.-95. Northfield Mount Hermon Co-Ed 9-12, PG 1879
91.-95. Oakland Collegiate School All-Boys 7-12 1879
96.-97. The King's Academy Co-Ed 7-12 1880
96.-97. Wentworth Military Academy & College Co-Ed 9-12, PG 1880
98. Dana Hall School All-Girls 9-12 1881
99. St. Timothy's School All-Girls 9-12, PG 1882
100. Houghton Academy Co-Ed 9-12, PG 1883
101.-104. Annie Wright Schools All-Girls 9-12 1884
101.-104. Groton School Co-Ed 8-12 1884
101.-104. The Howe School and Summer Camp Co-Ed 7-12 1884
101.-104. St. John's Northwestern Military Academy All-Boys 7-12, PG 1884
105.-106. The Cambridge School of Weston Co-Ed 9-12, PG 1886
105.-106. The White Mountain School Co-Ed 9-12, PG 1886
107.-108. St. John's Military School All-Boys 6-12 1887
107.-108. Subiaco Academy All-Boys 7-12 1887
109.-110. The Kiski School All-Boys 9-12, PG 1888
109.-110. Westminster School Co-Ed 9-12, PG 1888
111.-117. Hoosac School Co-Ed 8-12, PG 1889
111.-117. Missouri Military Academy All-Boys 6-12, PG 1889
111.-117. New York Military Academy Co-Ed 7-12 1889
111.-117. Ridley College Co-Ed Pre-K-12, PG 1889
111.-117. St. Catherine's Academy All-Boys 4-8 1889
111.-117. The Thacher School Co-Ed 9-12 1889
111.-117. Woodberry Forest School All-Boys 9-12 1889
118.-121. Choate Rosemary Hall Co-Ed 9-12, PG 1890
118.-121. The MacDuffie School Co-Ed 6-12, PG 1890
118.-121. Scattergood Friends School Co-Ed 9-12, PG 1890
118.-121. The Taft School Co-Ed 9-12, PG 1890
122.-124. Ashbury College Co-Ed 9-12 1891
122.-124. The Hotchkiss School Co-Ed 9-12, PG 1891
122.-124. New Mexico Military Institute Co-Ed 9-12, PG 1891
125.-126. Camden Military Academy All-Boys 7-12, PG 1892
125.-126. Randolph-Macon Academy Co-Ed 6-12, PG 1892
127.-132. Baylor School Co-Ed 9-12 1893
127.-132. George School Co-Ed 9-12 1893
127.-132. Mercersburg Academy Co-Ed 9-12, PG 1893
127.-132. St. Andrew's School Co-Ed 9-12, PG 1893
127.-132. TMI -The Episcopal School of Texas Co-Ed 8-12 1893
127.-132. Walnut Hill School for the Arts Co-Ed 9-12, PG 1893
133.-136. Chatham Hall All-Girls 9-12 1894
133.-136. Culver Academies Co-Ed 9-12 1894
133.-136. Havergal College All-Girls 9-12 1894
133.-136. Pomfret School Co-Ed 9-12, PG 1894
137.-138. Menaul School Co-Ed 9-12 1896
137.-138. St. George's School Co-Ed 9-12 1896
139.-140. Fork Union Military Academy All-Boys 6-12, PG 1898
139.-140. Miss Hall's School All-Girls 9-12 1898
141.-142. Massanutten Military Academy Co-Ed 7-12, PG 1899
141.-142. St. Andrew's College All-Boys 5-12 1899
143.-145. Asheville School Co-Ed 9-12 1900
143.-145. Christ School All-Boys 8-12 1900
143.-145. Rumsey Hall School Co-Ed 6-9 1900
146.-148. Hillside School All-Boys 5-9 1901
146.-148. Middlesex School Co-Ed 9-12 1901
146.-148. Salisbury School All-Boys 9-12, PG 1901
149. Robinson School Co-Ed 7-12 1902
150. Rabun Gap-Nacoochee School Co-Ed 7-12 1903
151. The Knox School Co-Ed 7-12, PG 1904
152.-154. Darlington School Co-Ed 9-12, PG 1905
152.-154. McCallie School All-Boys 9-12 1905
152.-154. Northwood School Co-Ed 9-12, PG 1905
155.-158. Archbishop Riordan High School All-Boys 9-12 1906
155.-158. Kent School Co-Ed 9-12, PG 1906
155.-158. The Madeira School All-Girls 9-12 1906
155.-158. St. Michaels University School Co-Ed 8-12 1906
159.-162. Berkshire School Co-Ed 9-12, PG 1907
159.-162. Riverside Military Academy All-Boys 7-12 1907
159.-162. San Marcos Baptist Academy Co-Ed 7-12 1907
159.-162. Trinity-Pawling School All-Boys 9-12, PG 1907
163. St. Margaret's School All-Girls 7-12 1908
164.-168. Blue Ridge School All-Boys 9-12 1909
164.-168. Hargrave Military Academy All-Boys 7-12, PG 1909
164.-168. St. Albans School All-Boys 9-12 1909
164.-168. Tallulah Falls School Co-Ed 7-12 1909
164.-168. Westover School All-Girls 9-12 1909
169.-175. Andrews Osborne Academy Co-Ed 7-12 1910
169.-175. Army and Navy Academy All-Boys 7-12 1910
169.-175. Cate School Co-Ed 9-12 1910
169.-175. Chaminade College Preparatory School All-Boys 6-12 1910
169.-175. Garrison Forest School All-Girls 8-12 1910
169.-175. St. Anne's-Belfield School Co-Ed 9-12 1910
169.-175. Wolfeboro: The Summer Boarding School Co-Ed 6-12, PG 1910
176.-178. Cotter Schools Co-Ed 9-12, PG 1911
176.-178. The Ethel Walker School All-Girls 9-12, PG 1911
176.-178. Ojai Valley School Co-Ed 3-12 1911
179. Montverde Academy Co-Ed 7-12, PG 1912
180. The Hockaday School All-Girls 8-12 1913
181.-182. Foxcroft School All-Girls 9-12, PG 1914
181.-182. The Hun School of Princeton Co-Ed 9-12, PG 1914
183. Canterbury School Co-Ed 9-12, PG 1915
184.-185. Shawnigan Lake School Co-Ed 8-12 1916
184.-185. Virginia Episcopal School Co-Ed 9-12 1916
186. Church Farm School All-Boys 7-12 1918
187. The Rectory School Co-Ed 5-9 1920
188.-190. Christchurch School Co-Ed 9-12 1921
188.-190. Oakdale Christian Academy Co-Ed 7-12 1921
188.-190. St. Margaret's School All-Girls 8-12 1921
191.-196. Concord Academy Co-Ed 9-12 1922
191.-196. Cranbrook Schools Co-Ed 9-12 1922
191.-196. Eaglebrook School All-Boys 6-9 1922
191.-196. Indian Mountain School Co-Ed 6-9 1922
191.-196. The Stony Brook School Co-Ed 7-12 1922
191.-196. The Webb Schools Co-Ed 9-12 1922
197.-198. Brentwood College School Co-Ed 9-12, PG 1923
197.-198. South Kent School All-Boys 9-12, PG 1923
199.-200. Southwestern Academy Co-Ed 6-12, PG 1924
199.-200. Villanova Preparatory School Co-Ed 9-12 1924
201.-202. Bement School Co-Ed 3-9 1925
201.-202. Solebury School Co-Ed 9-12 1925
203.-209. Brooks School Co-Ed 9-12 1926
203.-209. The Gow School Co-Ed 7-12, PG 1926
203.-209. Marianapolis Preparatory School Co-Ed 9-12, PG 1926
203.-209. Mercyhurst Preparatory School Co-Ed 9-12 1926
203.-209. Monte Vista Christian School Co-Ed 9-12 1926
203.-209. Portsmouth Abbey School Co-Ed 9-12 1926
203.-209. The Winchendon School Co-Ed 9-12, PG 1926
210.-211. Avon Old Farms School All-Boys 9-12, PG 1927
210.-211. St. Francis High School * Located Near Buffalo, NY* All-Boys 9-12 1927
212.-215. Buxton School Co-Ed 9-12 1928
212.-215. Interlochen Arts Academy Co-Ed 9-12, PG 1928
212.-215. Rock Point School Co-Ed 9-12, PG 1928
212.-215. Valley Forge Military Academy All-Boys 7-12, PG 1928
216.-218. The Leelanau School Co-Ed 9-12 1929
216.-218. Orme School Co-Ed 8-12, PG 1929
216.-218. St. Andrew's School, DE Co-Ed 9-12 1929
219.-220. The Forman School Co-Ed 9-12, PG 1930
219.-220. Fountain Valley School of Colorado Co-Ed 9-12 1930
221.-222. Flintridge Sacred Heart Academy All-Girls 9-12 1931
221.-222. Millbrook School Co-Ed 9-12, PG 1931
223.-224. Darrow School Co-Ed 9-12 1932
223.-224. Midland School Co-Ed 9-12 1932
225.-226. Admiral Farragut Academy Co-Ed 7-12 1933
225.-226. The Bolles School Co-Ed 7-12, PG 1933
227. Ecole d’Humanité Co-Ed 9-12, PG 1934
228.-230. Dublin School Co-Ed 9-12 1935
228.-230. Hillcrest Lutheran Academy Co-Ed 9-12 1935
228.-230. The Putney School Co-Ed 9-12, PG 1935
231. The American Boychoir School All-Boys 4-8 1937
232. North Country School Co-Ed 4-9 1938
233. Ben Lippen School Co-Ed 7-12 1940
234. High Mowing School Co-Ed 9-12 1942
235.-237. Cardigan Mountain School All-Boys 6-9 1945
235.-237. Maplebrook School Co-Ed 7-12, PG 1945
235.-237. Western Mennonite School Co-Ed 9-12 1945
238.-240. Besant Hill School Co-Ed 9-12, PG 1946
238.-240. The Phelps School All-Boys 7-12, PG 1946
238.-240. Thomas Jefferson School Co-Ed 7-12, PG 1946
241.-242. Hampshire Country School All-Boys 3-12 1948
241.-242. Verde Valley School Co-Ed 9-12 1948
243.-245. Aiglon College Co-Ed 4-12 1949
243.-245. Hawai'i Preparatory Academy Co-Ed 8-12, PG 1949
243.-245. Lustre Christian High School Co-Ed 9-12 1949
246.-248. Oakland School Co-Ed 9-12 1950
246.-248. St. Stephen's Episcopal School Co-Ed 8-12 1950
246.-248. Santa Catalina School All-Girls 9-12 1950
249.-250. Indian Springs School Co-Ed 8-12 1952
249.-250. Stevenson School Co-Ed 9-12 1952
251. Colorado Rocky Mountain School Co-Ed 9-12 1953
252. Rancho Solano Preparatory School Co-Ed 6-12 1954
253.-254. The American School in Switzerland Co-Ed 7-12, PG 1956
253.-254. The Marvelwood School Co-Ed 9-12, PG 1956
255.-257. Dunn School Co-Ed 9-12 1957
255.-257. North Broward Preparatory School Co-Ed 6-12 1957
255.-257. Woodside Priory School (Priory) Co-Ed 9-12 1957
258. St. Croix Grades 6 to 12 Co-Ed 6-12 1958
259. Brandon Hall School Co-Ed 7-12, PG 1959
260.-263. Florida Air Academy Co-Ed 6-12, PG 1961
260.-263. Leysin American School in Switzerland (LAS) Co-Ed 8-12, PG 1961
260.-263. Saint Andrew's School Co-Ed 9-12 1961
260.-263. Sandy Spring Friends School Co-Ed 9-12 1961
264. Purnell School All-Girls 9-12 1963
265. St. Stephen's School Co-Ed 9-12, PG 1964
266.-267. The Athenian School Co-Ed 9-12 1965
266.-267. Marine Military Academy All-Boys 8-12, PG 1965
268.-269. Hyde School - Bath, ME Co-Ed 9-12, PG 1966
268.-269. The Village School Co-Ed 9-12 1966
270.-271. Eagle Hill School Co-Ed 8-12 1967
270.-271. Rosseau Lake College Co-Ed 7-12, PG 1967
272. The Kildonan School Co-Ed 7-12 1969
273. Mount Michael Benedictine School All-Boys 9-12 1970
274. Landmark School Co-Ed 9-12 1971
275.-276. Maharishi School Co-Ed 9-12 1972
275.-276. Oak Creek Ranch School Co-Ed 7-12, PG 1972
277. Erie First Christian Academy Co-Ed 8-12, PG 1973
278.-280. Colorado Timberline Academy Co-Ed 9-12, PG 1975
278.-280. North Central Texas Academy Co-Ed K-12 1975
278.-280. Oak Grove School Co-Ed 9-12 1975
281.-282. Delphian School Co-Ed 3-12 1976
281.-282. TASIS The American School in England Co-Ed 9-12, PG 1976
283.-285. The Greenwood School All-Boys 6-12 1978
283.-285. Robert Land Academy All-Boys 6-12 1978
283.-285. Squaw Valley Academy Co-Ed 9-12 1978
286. Columbia International College Co-Ed 7-12, PG 1979
287.-288. Brehm Preparatory School Co-Ed 6-12, PG 1982
287.-288. Ekklesia Mountain High Co-Ed 9-12 1982
289. The Woodhall School All-Boys 9-12 1983
290.-291. Excelsior School Co-Ed 9-12 1986
290.-291. Idyllwild Arts Academy Co-Ed 9-12, PG 1986
292.-293. Bronte College Co-Ed 9-12 1991
292.-293. Ross School Co-Ed 7-12, PG 1991
294. Saddlebrook Preparatory School Co-Ed 7-12, PG 1992
295. Sparhawk School Co-Ed 9-12, PG 1994
296.-297. Advanced Academy of Georgia Co-Ed 11-12 1995
296.-297. Canadian College Italy Co-Ed 10-12, PG 1995
298. Hyde School - Woodstock, CT Co-Ed 9-12, PG 1996
299. The Brook Hill School Co-Ed 8-12, PG 1997
300.-304. Bachman Academy Co-Ed 6-12, PG 1999
300.-304. IMG Academy Co-Ed 5-12, PG 1999
300.-304. Lake Mary Preparatory School Co-Ed 9-12 1999
300.-304. St. Andrew's Academy Co-Ed 6-12 1999
300.-304. Valley International Academy Co-Ed 9-12, PG 1999
305.-306. Country Day School, Costa Rica Co-Ed 8-12 2000
305.-306. Windermere Preparatory School Co-Ed 9-12 2000
307. Prem Tinsulanonda International School Co-Ed 3-12 2001
308.-309. Carlbrook School Co-Ed 9-12, PG 2002
308.-309. Fulford Academy Co-Ed 7-10 2002
310. Oliverian School Co-Ed 9-12, PG 2003
311.-312. EF International Academy Co-Ed 9-12 2005
311.-312. Leman Manhattan Co-Ed 9-12 2005
313. Middlebridge School Co-Ed 7-12, PG 2008
314.-315. SPIRE Academy Co-Ed 7-12, PG 2009
314.-315. THINK Global School Co-Ed 9-12 2009
316. Canadian International Hockey Academy Co-Ed 9-12 2011

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