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/press/books/schools_accountability.htm
This book examines charter school accountability in 150 schools and 60 authorizers in Arizona, California, Colorado, Georgia, Massachusetts, and Michigan. The national scale study assesses the structure of charter school accountability, internal accountability, and the performance of charter authorizers.
Date: 2002
Source: Brookings Institution
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