Hagerstown, Maryland | High School, 8-12, Co-ed | Founded in 1842
Winston-Salem, North Carolina | High School, 9-12, All-girls | Founded in 1772
Salisbury, Connecticut | Grades 9-12 & PG, All-Boys | Founded in 1901
San Anselmo, California | Grades K-12, Co-ed | Founded in 1850
Fresno, California | Grades 9-12, Co-ed | Founded in 1945
Pittsburgh, Pennsylvania | High School, 9-12 , Co-ed | Founded in 1883
Co-ed New England
Faribault, Minnesota | High School, 9-12, PG, Co-ed | Founded in 1858
New Hope, Pennsylvania | High School, 9-12 | 7-12 (day), Co-ed | Founded in 1925
San Marino, California | Grades 6-12 & PG, Co-ed | Founded in 1924
Middletown, Delaware | High School, 9-12, Co-ed | Founded in 1929