Easthampton, Massachusetts | Grades 9-12 & PG, Co-ed | Founded in 1841
Winchendon, Massachusetts | Grades 9-12 and PG | Founded in 1926
Saco, Maine | Grades 6-12, Co-ed | Founded in 1811
Pawling, New York | Grades 7-12, All Boys | Founded in 1907
Sedona, Arizona | High School, 9-12, Co-ed | Founded in 1948
Saxtons River, Vermont | High School, 9-12, PG, Co-ed | Founded in 1876
Ojai, California | Grades 9-12, Co-ed | Founded in 1924
Lynchburg, Virginia | Grades 9-12, Co-ed | Founded in 1916
Mt. Pleasant, Utah | High School, 8-12, PG, Co-ed | Founded in 1875
Beaver Dam, Wisconsin | High School, 9-12, Co-ed | Founded in 1855