"Low-income students need extra support and resources to succeed, but in far too many places, policies for assigning teachers and allocating resources are perpetuating the problem rather than solving it."- Secretary of Education Arne Duncan
Why does this happen? Why do we send the most inexperienced and lowest-paid teachers to the neighborhoods most in need of help? The article below addresses the issue.
http://www.nytimes.com/2011/12/01/education/us-education-department-finds-salary-gap-in-poor-schools.html?scp=1&sq=salary%20gap%20in%20poor%20schools&st=cse