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.charterschools.org/pages/0607meap.cfm
The Michigan Association of Public School Academies (MAPSA) has released data that finds that the average scores of the state's public charters exceeded the average scores of their host districts on 23 of 27 state tests in 2006-07. Michigan's charters delivered 82 to 91 percent proficiency on all tests and exceeded the average scores of their host districts on 23 of 27 MEAP tests (tied on three others and were one point shy on the final test). Individual community data is available for Detroit, Flint, Grand Rapids, and Lansing.
Date: 2007
Source: Michigan Association of Public School Academies (MAPSA)
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