Sources Used in the Best High Schools Rankings

For school-level data, we relied on information available from the federal government.

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In producing the new 2012 U.S. News Best High Schools rankings, we used information collected by the U.S. Department of Education, among other sources. U.S. News has learned that Nevada's Green Valley High School is claiming that its data published on usnews.com is inaccurate. We're looking into the matter.

Broadly speaking, U.S. News obtained the school-level data on enrollment, ethnicity, teachers, and economically disadvantaged students for nearly 22,000 public high schools analyzed in the 2012 rankings from the U.S. Department of Education. That data is visible to anyone via the U.S. Department of Education's Common Core of Data website.

For Green Valley High School, see the 2009-2010 school year data on the federal government's site. You can also click on the U.S. News profile of Green Valley High School to see that the federal government's information matches what U.S. News has published for Green Valley.

U.S. News relied on the publicly available data at the federal government's website. This data has been collected using uniform standards for all schools in states across the country.