The Opportunity Gap – Is Your State Providing Equal Access to Education
http://projects.propublica.org/schools/

This database includes all public schools in districts with more than 3,000 students from the 2009-2010 school year — about three-quarters of all such students in the country. Use it to find out how well your state provides poor and wealthier schools equal access to advanced classes that researchers say will help them later in life. This has been added to the Research Resources Subject Tracer™ Information Blog.