1 Thomas Jefferson School Co-ed MO 2150 2 Phillips Exeter Academy Co-ed NH 2085 3 Groton School Co-ed MA 2080 4 St. Paul's School Co-ed NH 2075 5 Milton Academy Co-ed MA 2062 6 Middlesex School Co-ed MA 2060 7 Concord Academy Co-ed MA 2040 8 Deerfield Academy Co-ed MA 2020 8 Hockaday School,TheAll-girls TX 2020 10 Hotchkiss School Co-ed CT 2013 11 Phillips Academy Andover Co-ed MA 2008 12 Peddie School Co-ed NJ 2000 13 St. Andrew's School, DE Co-ed DE 1999 14 Lawrenceville School Co-ed NJ 1998 15 Choate Rosemary Hall Co-ed CT 1981 16 Cate School Co-ed CA 1970 17 Indian Springs School Co-ed AL 1965 18 Thacher School,The Co-ed CA 1960 19 Georgetown Preparatory School All-boys MD 1950 20 Webb Schools,TheCo-ed CA 1940 Phillips Exeter AcademyPhillips AcademySt. Paul's SchoolDeerfield AcademyThe Hotchkiss SchoolChoate Rosemary HallThe Loomis Chaffee SchoolThe Lawrenceville SchoolThe Taft SchoolThe Hill School -schools/2009/12/09/americas-best-high-schools-gold-medal-list.html