Mount Herman, Connecticut | Grades 9-12 & PG, Co-ed | Founded in 1879

Mouth of Wilson, Virginia | High School, 8-12, Co-ed | Founded in 1878

Weslake Village, California | High School , 5-12 , Co-ed | Founded in 2000

Ojai, California | High School, 3-12 | Pre-K-12 (day), Co-ed | Founded in 1911

Sparks Glencoe, Maryland | High School, 8-12, PG, All-girls | Founded in 1867

Portland, Oregon | High School, 9-12, PG | Pre-K-12, PG (day), Co-ed | Founded in 1869

Hightstown, New Jersey | High School, 9-12, PG, Co-ed | Founded in 1864

Pennsburg, Pennsylvania | High School, 6-12, PG, Co-ed | Founded in 1875

Andover, Massachusetts | Grades 9-12 & PG (Boarding), Co-ed | Founded in 1778

Exeter, New Hampshire | High School, 9-12, PG, Co-ed | Founded in 1781