Eric Hanushek of the Hoover Institution talks about the societal and economic returns of long-term investment in schools, particularly problematic ones, as well as possible school reform policies that can help transform schools. March, 2010. Eric Hanushek k12 Hoover Institution CLOSUP International Policy Center Ford School of Public Policy Student Achievement achievement gap school quality united states education policy school funding organization for economic cooperation and development National Assessment of Educational Progress test scores student-teacher ratios teacher quality