One-Third Agenda Won't Close Gaps

Richard Rothstein notes on a keynote ASCD speech.

"Decades of social science research have demonstrated that differences in the quality of schools can explain about one-third of the variation in student achievement.".... "Efforts to improve schools are undermined by the deteriorating conditions under which kids come to school," he said.

http://ascd.typepad.com/blog/2010/11/rothstein-one-third-agenda-wont-close-gaps.html