Barrington, Rhode Island | High School, 9-12, PG | 6-12, PG (day), Co-ed | Founded in 1893
Sewanee, Tennessee | High School, 8-12 | 6-12 (day), Co-ed | Founded in 1868
Charlottesville, Virginia | Grades 9-12 , Co-ed | Founded in 1910
Middletown, Rhode Island | Grades 9-12, Co-ed | Founded in 1896
St. Johnsbury, Vermont | High School, 9-12, PG, Co-ed | Founded in 1842
New England
Southborough, Massachusetts | Grades 9-12, Co-ed | Founded in 1865
Concord, New Hampshire | Grades 9-12, Co-ed | Founded in 1856
Austin, Texas | High School, 8-12 | 6-12 (day), Co-ed | Founded in 1949
Stevenson, Maryland | High School, 9-12, PG, All-girls | Founded in 1832
Steamboat Springs, Colorado | High School, 9-12, PG, Co-ed | Founded in 1957