Pomfret, Connecticut | Grades 9-12 & PG, Co-ed | Founded in 1894
Portsmouth, Rhode Island | High School, 9-12, Co-ed | Founded in 1926
Andover, New Hampshire | Grades 9-12 & PG, Co-ed | Founded in 1848
Pottersville, New Jersey | High School, 9-12, PG, All-girls | Founded in 1963
Rabun Gap, Georgia | High School, 7-12 | Pre-K-12 (day), Co-ed | Founded in 1903
Front Royal, Virginia | Grades 6-12 & PG, Co-ed | Founded in 1892
Boise, Idaho High School | Nursery/ Preschool-12, Co-ed | Founded in 1997
East Hampton, New York | High School, 7-12, PG | Pre-K-12, PG (day), Co-ed | Founded in 1991
Somerset, New Jersey | High School, PK-12, Co-ed | Founded in 1766
Boca Raton, Florida | High School, 9-12, Co-ed | Founded in 1961