Growing achievement gap in the U.S. …

„Recent research documents a growing achievement gap in the U.S. between children in high-and low-income families, a trend that contrasts with the decline of racial achievement gaps over the past 50 years.“

Univ.-Prof. Dr. Ann Owens u. a., „Trends in School Economic Segregation, 1970 to 2010“ (2014), S. 3