http://www.mckinsey.com/clientservice/socialsector/achievementgap.asp
This 2009 report from McKinsey & Company’s Social Sector Office examines the impact of four gaps in education: between the US and other nations, between black and Latino students and white students, between students of different income levels, and between similar students schooled in different systems or regions. Existing gaps impose the economic equivalent of a permanent national recession substantially larger than the current one, in addition to serious consequences for individuals.
