America's Top Public High Schools

America's Top Public High Schools | Newsweek Best High Schools | Newsweek.com: "Public schools are ranked according to a ratio devised by Jay Mathews: the number of Advanced Placement, Intl. Baccalaureate and/or Cambridge tests taken by all students at a school in 2008 divided by the number of graduating seniors. All of the schools on the list have an index of at least 1.000; they are in the top 6 percent of public schools measured this way."