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 303 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 9-12, 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. Woodstock Academy Co-Ed 9-12, PG 1801
17. George Stevens Academy Co-Ed 9-12 1803
18.-19. Hebron Academy Co-Ed 9-12, PG 1804
18.-19. Wilbraham & Monson Academy Co-Ed 9-12, PG 1804
20. Bridgton Academy All-Boys 12-12, PG 1808
Sorted by range (alphabetically within range)
* Indicates Boarding Grades Offered
Boarding School
Type
Grades*
Year Founded
21. Lawrenceville School Co-Ed 9-12, PG 1810
22. Thornton Academy Co-Ed 9-12 1811
23. Kimball Union Academy Co-Ed 9-12, PG 1813
24.-25. Emma Willard School All-Girls 9-12, PG 1814
24.-25. The Linsly School Co-Ed 7-12 1814
26.-27. Brewster Academy Co-Ed 9-12, PG 1820
26.-27. St. John's-Ravenscourt School Co-Ed 8-12 1820
28. New Hampton School Co-Ed 9-12, PG 1821
29. Foxcroft Academy Co-Ed 9-12 1823
30. Kents Hill School Co-Ed 9-12, PG 1824
31. Western Reserve Academy Co-Ed 9-12, PG 1826
32. Chapel Hill-Chauncy Hall Co-Ed 9-12, PG 1828
33. Grand River Academy All-Boys 9-12, PG 1831
34. Suffield Academy Co-Ed 9-12, PG 1833
35.-36. Carson Long Military Academy All-Boys 6-12 1836
35.-36. Gould Academy Co-Ed 9-12, PG 1836
37. Olney Friends School Co-Ed 9-12 1837
38. The Pennington School Co-Ed 7-12 1838
39. Episcopal High School Co-Ed 9-12 1839
40. The Williston Northampton School Co-Ed 9-12, PG 1841
41.-44. Pickering College Co-Ed 7-12 1842
41.-44. Saint James School Co-Ed 8-12 1842
41.-44. St. Johnsbury Academy Co-Ed 9-12, PG 1842
41.-44. Saint Mary's School All-Girls 9-12 1842
45. Miss Porter's School All-Girls 9-12 1843
46.-47. Stuart Hall School Co-Ed 8-12, PG 1844
46.-47. Wyoming Seminary Upper School Co-Ed 9-12, PG 1844
48. Tilton School Co-Ed 9-12, PG 1845
49.-50. Blair Academy Co-Ed 9-12, PG 1848
49.-50. Proctor Academy Co-Ed 9-12, PG 1848
51.-52. The Gunnery Co-Ed 9-12, PG 1850
51.-52. San Domenico School All-Girls 9-12 1850
53.-54. Buffalo Seminary All-Girls 9-12 1851
53.-54. Hill School Co-Ed 9-12, PG 1851
55. Grier School All-Girls 7-12, PG 1853
56. St. Stanislaus College-Prep All-Boys 7-12, PG 1854
57. Wayland Academy Co-Ed 9-12 1855
58. St. Paul's School Co-Ed 9-12 1856
59.-60. Lake Forest Academy Co-Ed 9-12, PG 1857
59.-60. Saint John's Preparatory School Co-Ed 9-12, PG 1857
61. Shattuck-St. Mary's School Co-Ed 6-12, PG 1858
62. Maur Hill - Mount Academy (MH-MA) Co-Ed 8-12 1863
63. Peddie School Co-Ed 9-12, PG 1864
64.-66. Cushing Academy Co-Ed 9-12, PG 1865
64.-66. St. Mark's School Co-Ed 9-12 1865
64.-66. St. Mary's School Co-Ed 9-12 1865
67.-68. Fay School Co-Ed 6-9 1866
67.-68. Maine Central Institute Co-Ed 9-12, PG 1866
69.-72. The Bishop Strachan School All-Girls 7-12 1867
69.-72. Lyndon Institute Co-Ed 9-12, PG 1867
69.-72. Oldfields School All-Girls 8-12, PG 1867
69.-72. The Storm King School Co-Ed 8-12, PG 1867
73. St. Andrew's-Sewanee School Co-Ed 9-12 1868
74.-75. Oregon Episcopal School Co-Ed 9-12 1869
74.-75. Stoneleigh-Burnham School All-Girls 7-12, PG 1869
76. The Webb School Co-Ed 7-12, PG 1870
77. Stanstead College Co-Ed 7-12 1872
78.-79. Academy of the Holy Family All-Girls 9-12 1874
78.-79. The Loomis Chaffee School Co-Ed 9-12, PG 1874
80.-81. The Perkiomen School Co-Ed 6-12, PG 1875
80.-81. Wasatch Academy Co-Ed 8-12, PG 1875
82.-83. Tabor Academy Co-Ed 9-12 1876
82.-83. Vermont Academy Co-Ed 9-12, PG 1876
84.-85. The Masters School Co-Ed 9-12 1877
84.-85. Rothesay Netherwood School Co-Ed 6-12 1877
86.-87. Miller School of Albemarle Co-Ed 8-12, PG 1878
86.-87. Oak Hill Academy Co-Ed 8-12 1878
88.-91. Chamberlain-Hunt Academy All-Boys 7-12 1879
88.-91. Fishburne Military School All-Boys 7-12, PG 1879
88.-91. Holderness School Co-Ed 9-12, PG 1879
88.-91. Northfield Mount Hermon School Co-Ed 9-12, PG 1879
92.-93. The King's Academy Co-Ed 7-12 1880
92.-93. Wentworth Military Academy & College Co-Ed 9-12, PG 1880
94. Dana Hall School All-Girls 9-12 1881
95. St. Timothy's School All-Girls 9-12, PG 1882
96. Houghton Academy Co-Ed 9-12, PG 1883
97.-100. Annie Wright School All-Girls 9-12 1884
97.-100. Groton School Co-Ed 8-12 1884
97.-100. The Howe School and Summer Camp Co-Ed 7-12 1884
97.-100. St. John's Northwestern Military Academy All-Boys 7-12, PG 1884
101.-102. The Cambridge School of Weston Co-Ed 9-12, PG 1886
101.-102. The White Mountain School Co-Ed 9-12, PG 1886
103.-104. St. John's Military School All-Boys 5-12 1887
103.-104. Subiaco Academy All-Boys 7-12 1887
105.-106. The Kiski School All-Boys 9-12, PG 1888
105.-106. Westminster School Co-Ed 9-12, PG 1888
107.-113. Hoosac School Co-Ed 8-12, PG 1889
107.-113. Missouri Military Academy All-Boys 6-12, PG 1889
107.-113. New York Military Academy Co-Ed 7-12 1889
107.-113. Ridley College Co-Ed Pre-K-12, PG 1889
107.-113. St. Catherine's Academy All-Boys 4-8 1889
107.-113. The Thacher School Co-Ed 9-12 1889
107.-113. Woodberry Forest School All-Boys 9-12 1889
114.-117. Choate Rosemary Hall Co-Ed 9-12, PG 1890
114.-117. The MacDuffie School Co-Ed 9-12, PG 1890
114.-117. Scattergood Friends School Co-Ed 9-12, PG 1890
114.-117. The Taft School Co-Ed 9-12, PG 1890
118.-120. Ashbury College Co-Ed 9-12 1891
118.-120. The Hotchkiss School Co-Ed 9-12, PG 1891
118.-120. New Mexico Military Institute Co-Ed 9-12, PG 1891
121.-122. Camden Military Academy All-Boys 7-12, PG 1892
121.-122. Randolph-Macon Academy Co-Ed 6-12, PG 1892
123.-127. Baylor School Co-Ed 9-12 1893
123.-127. George School Co-Ed 9-12 1893
123.-127. Mercersburg Academy Co-Ed 9-12, PG 1893
123.-127. St. Andrew's School Co-Ed 9-12, PG 1893
123.-127. TMI -The Episcopal School of Texas Co-Ed 8-12 1893
128.-131. Chatham Hall All-Girls 9-12 1894
128.-131. Culver Academies Co-Ed 9-12 1894
128.-131. Havergal College All-Girls 9-12 1894
128.-131. Pomfret School Co-Ed 9-12, PG 1894
132.-133. Menaul School Co-Ed 9-12 1896
132.-133. St. George's School Co-Ed 9-12 1896
134.-135. Fork Union Military Academy All-Boys 6-12, PG 1898
134.-135. Miss Hall's School All-Girls 9-12 1898
136.-137. Massanutten Military Academy Co-Ed 7-12, PG 1899
136.-137. St. Andrew's College All-Boys 6-12 1899
138.-140. Asheville School Co-Ed 9-12 1900
138.-140. Christ School All-Boys 8-12 1900
138.-140. Rumsey Hall School Co-Ed 6-9 1900
141.-143. Hillside School All-Boys 5-9 1901
141.-143. Middlesex School Co-Ed 9-12 1901
141.-143. Salisbury School All-Boys 9-12, PG 1901
144. Robinson School Co-Ed 7-12 1902
145. Rabun Gap-Nacoochee School Co-Ed 7-12 1903
146. The Knox School Co-Ed 7-12, PG 1904
147.-149. Darlington School Co-Ed 9-12, PG 1905
147.-149. McCallie School All-Boys 9-12 1905
147.-149. Northwood School Co-Ed 9-12, PG 1905
150.-153. Archbishop Riordan High School All-Boys 9-12 1906
150.-153. Kent School Co-Ed 9-12, PG 1906
150.-153. The Madeira School All-Girls 9-12 1906
150.-153. St. Michaels University School Co-Ed 8-12 1906
154.-157. Berkshire School Co-Ed 9-12, PG 1907
154.-157. Riverside Military Academy All-Boys 7-12 1907
154.-157. San Marcos Baptist Academy Co-Ed 7-12 1907
154.-157. Trinity Pawling School All-Boys 9-12, PG 1907
158. St. Margaret's School All-Girls 7-12 1908
159.-163. Blue Ridge School All-Boys 9-12 1909
159.-163. Hargrave Military Academy All-Boys 7-12, PG 1909
159.-163. St. Albans School All-Boys 9-12 1909
159.-163. Tallulah Falls School Co-Ed 7-12 1909
159.-163. Westover School All-Girls 9-12 1909
164.-169. Andrews Osborne Academy Co-Ed 7-12 1910
164.-169. Army and Navy Academy All-Boys 7-12 1910
164.-169. Cate School Co-Ed 9-12 1910
164.-169. Garrison Forest School All-Girls 8-12 1910
164.-169. St. Anne's-Belfield School Co-Ed 9-12 1910
164.-169. Wolfeboro: The Summer Boarding School Co-Ed 6-12, PG 1910
170.-172. Cotter Schools Co-Ed 9-12, PG 1911
170.-172. The Ethel Walker School All-Girls 9-12, PG 1911
170.-172. Ojai Valley School Co-Ed 3-12 1911
173. Montverde Academy Co-Ed 7-12, PG 1912
174. The Hockaday School All-Girls 8-12 1913
175.-176. Foxcroft School All-Girls 9-12, PG 1914
175.-176. The Hun School of Princeton Co-Ed 9-12, PG 1914
177. Canterbury School Co-Ed 9-12, PG 1915
178.-179. Shawnigan Lake School Co-Ed 8-12 1916
178.-179. Virginia Episcopal School Co-Ed 9-12 1916
180. CFS, The School at Church Farm All-Boys 7-12 1918
181. The Rectory School Co-Ed 5-9 1920
182.-184. Christchurch School Co-Ed 9-12 1921
182.-184. Oakdale Christian Academy Co-Ed 7-12 1921
182.-184. St. Margaret's School All-Girls 8-12 1921
185.-189. Concord Academy Co-Ed 9-12 1922
185.-189. Cranbrook Schools Co-Ed 9-12 1922
185.-189. Eaglebrook School All-Boys 6-9 1922
185.-189. The Stony Brook School Co-Ed 7-12 1922
185.-189. The Webb Schools Co-Ed 9-12 1922
190.-191. Brentwood College School Co-Ed 9-12, PG 1923
190.-191. South Kent School All-Boys 9-12, PG 1923
192.-193. Southwestern Academy Co-Ed 6-12, PG 1924
192.-193. Villanova Preparatory School Co-Ed 9-12 1924
194.-195. Bement School Co-Ed 3-9 1925
194.-195. Solebury School Co-Ed 9-12 1925
196.-201. Brooks School Co-Ed 9-12 1926
196.-201. The Gow School All-Boys 7-12, PG 1926
196.-201. Mercyhurst Preparatory School Co-Ed 9-12 1926
196.-201. Monte Vista Christian School Co-Ed 9-12 1926
196.-201. Portsmouth Abbey School Co-Ed 9-12 1926
196.-201. The Winchendon School Co-Ed 9-12, PG 1926
202.-203. Avon Old Farms School All-Boys 9-12, PG 1927
202.-203. St. Francis High School All-Boys 9-12 1927
204.-206. Buxton School Co-Ed 9-12 1928
204.-206. Interlochen Arts Academy Co-Ed 9-12, PG 1928
204.-206. Valley Forge Military Academy All-Boys 7-12, PG 1928
207.-209. The Leelanau School Co-Ed 9-12 1929
207.-209. The Orme School of Arizona Co-Ed 8-12, PG 1929
207.-209. St. Andrew's School, DE Co-Ed 9-12 1929
210.-211. The Forman School Co-Ed 9-12, PG 1930
210.-211. Fountain Valley School of Colorado Co-Ed 9-12 1930
212.-213. Flintridge Sacred Heart Academy All-Girls 9-12 1931
212.-213. Millbrook School Co-Ed 9-12, PG 1931
214.-215. Darrow School Co-Ed 9-12 1932
214.-215. Midland School Co-Ed 9-12 1932
216.-217. Admiral Farragut Academy Co-Ed 6-12 1933
216.-217. The Bolles School Co-Ed 7-12, PG 1933
218. Ecole d’Humanité Co-Ed 9-12, PG 1934
219.-221. Dublin School Co-Ed 9-12 1935
219.-221. Hillcrest Lutheran Academy Co-Ed 9-12 1935
219.-221. The Putney School Co-Ed 9-12, PG 1935
222. North Country School Co-Ed 4-9 1938
223. High Mowing School Co-Ed 9-12 1942
224. Fenster School Co-Ed 9-12, PG 1944
225.-226. Cardigan Mountain School All-Boys 6-9 1945
225.-226. Western Mennonite School Co-Ed 9-12 1945
227.-229. Besant Hill School (Formerly Happy Valley School) Co-Ed 9-12 1946
227.-229. The Phelps School All-Boys 7-12, PG 1946
227.-229. Thomas Jefferson School Co-Ed 7-12, PG 1946
230.-231. Hampshire Country School All-Boys 3-12 1948
230.-231. Verde Valley School Co-Ed 9-12 1948
232.-234. Aiglon College Co-Ed 4-12 1949
232.-234. Hawai'i Preparatory Academy Co-Ed 6-12, PG 1949
232.-234. Lustre Christian High School Co-Ed 9-12 1949
235.-237. Oakland School Co-Ed 9-12 1950
235.-237. St. Stephen's Episcopal School Co-Ed 8-12 1950
235.-237. Santa Catalina School All-Girls 9-12 1950
238.-239. Indian Springs School Co-Ed 8-12 1952
238.-239. Stevenson School Co-Ed 9-12 1952
240. Colorado Rocky Mountain School Co-Ed 9-12, PG 1953
241. Rancho Solano Preparatory School Co-Ed 9-12 1954
242. The Marvelwood School Co-Ed 9-12, PG 1956
243.-245. Dunn School Co-Ed 9-12 1957
243.-245. North Broward Preparatory School Co-Ed 6-12 1957
243.-245. Woodside Priory School (Priory) Co-Ed 9-12 1957
246. St. Croix Schools Co-Ed 6-12 1958
247. Brandon Hall School Co-Ed 6-12, PG 1959
248.-252. Florida Air Academy Co-Ed 6-12 1961
248.-252. Leysin American School in Switzerland (LAS) Co-Ed 8-12, PG 1961
248.-252. Linden Hill School All-Boys 8-9 1961
248.-252. Saint Andrew's School Co-Ed 9-12 1961
248.-252. Sandy Spring Fiends School Co-Ed 9-12 1961
253. St. Thomas More School All-Boys 8-12, PG 1962
254.-256. La Lumiere School Co-Ed 9-12, PG 1963
254.-256. Marine Military Academy All-Boys 8-12, PG 1963
254.-256. Purnell School All-Girls 9-12 1963
257. St. Stephen's School Co-Ed 9-12, PG 1964
258. The Athenian School Co-Ed 9-12 1965
259.-260. Hyde School - Bath, ME Co-Ed 9-12, PG 1966
259.-260. The Village School Co-Ed 9-12 1966
261.-262. Eagle Hill School Co-Ed 8-12 1967
261.-262. Rosseau Lake College Co-Ed 7-12, PG 1967
263. The Kildonan School Co-Ed 7-12, PG 1969
264. Mount Michael Benedictine School All-Boys 9-12 1970
265.-266. Landmark School Co-Ed 9-12 1971
265.-266. UWC South East Asia East Co-Ed 7-12 1971
267.-268. Maharishi School Co-Ed 9-12 1972
267.-268. Oak Creek Ranch School Co-Ed 7-12, PG 1972
269. Erie First Christian Academy Co-Ed 8-12, PG 1973
270.-272. Colorado Timberline Academy Co-Ed 9-12, PG 1975
270.-272. Happy Hill Farm Academy Co-Ed K-12 1975
270.-272. Oak Grove School Co-Ed 7-12 1975
273.-274. Delphian School Co-Ed 3-12 1976
273.-274. TASIS The American School in England Co-Ed 9-12, PG 1976
275.-277. The Greenwood School All-Boys 6-12 1978
275.-277. Robert Land Academy All-Boys 6-12 1978
275.-277. Squaw Valley Academy Co-Ed 9-12 1978
278. Columbia International College Co-Ed 7-12, PG 1979
279. Venta Preparatory School Co-Ed K-10 1981
280.-281. Brehm Preparatory School Co-Ed 6-12, PG 1982
280.-281. Ekklesia Mountain High Co-Ed 9-12 1982
282.-283. Excelsior School Co-Ed 9-12 1986
282.-283. Idyllwild Arts Academy Co-Ed 9-12, PG 1986
284.-285. Bronte College of Canada Co-Ed 9-12 1991
284.-285. Ross School Co-Ed 7-12, PG 1991
286. Saddlebrook Preparatory School Co-Ed 7-12, PG 1992
287.-288. Advanced Academy of Georgia Co-Ed 11-12 1995
287.-288. CCI The Renaissance School Co-Ed 10-12, PG 1995
289. Hyde School - Woodstock, CT Co-Ed 9-12, PG 1996
290. The Brook Hill School Co-Ed 8-12 1997
291.-293. Bachman Academy Co-Ed 6-12, PG 1999
291.-293. Lake Mary Preparatory School Co-Ed 9-12 1999
291.-293. St. Andrew's Academy Co-Ed 6-12 1999
294.-295. Country Day School, Costa Rica Co-Ed 8-12 2000
294.-295. Windermere Preparatory School Co-Ed 9-12 2000
296. Valley International Academy Co-Ed 9-12, PG 2001
297. Carlbrook School Co-Ed 9-12, PG 2002
298. Oliverian School Co-Ed 9-12, PG 2003
299.-300. EF International Academy Co-Ed 9-12 2005
299.-300. Leman Manhattan Co-Ed 9-12 2005
301. Donahue Academy of Ave Maria Co-Ed 9-12 2007
302.-303. Middlebridge School Co-Ed 7-12, PG 2008
302.-303. THINK Global School Co-Ed 9-12 2008
304. SPIRE Institute Co-Ed 9-12, PG 2011

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