Twelve studies find that overall gains in charter schools are larger than other public schools; four find charter schools’ gains higher in certain significant categories of schools; six find comparable gains; and, four find that charter schools’ overall gains lagged behind traditional schools.
Source: Charter School Achievement: What We Know, July 2005 Update
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http://www.brookings.edu/gs/brown/bc_report/2003/2003report.htm
This study examines charters' test scores, with a special focus on achievement in conversion charters, schools that were previously regular public schools and converted to charter status, and charters managed by educational management organizations (EMOs), professional management firms. The data are downloadable from the Brown Center website for those who would like to conduct their own analysis.
Date: 2003
Source: Brookings Institution
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