@techreport{NBERw13293,
 title = "Left Behind By Design: Proficiency Counts and Test-Based Accountability",
 author = "Derek Neal and Diane Whitmore Schanzenbach",
 institution = "National Bureau of Economic Research",
 type = "Working Paper",
 series = "Working Paper Series",
 number = "13293",
 year = "2007",
 month = "August",
 URL = "http://www.nber.org/papers/w13293",
}