




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.educationnext.org/20061/67.html
Published in the winter issue of the journal Education Next, this article finds that substantial improvements in traditional public school performance are due to the introduction and growth of charter schools. Using student proficiency rates, an aggregate measure of school performance, the researchers found that traditional public schools in North Carolina responded to the competition provided by charter schools by improving their average proficiency rates. The annual changes in performance made by traditional public schools were more positive in schools with charter schools nearby than in schools not facing charter school competition. Researchers did take into account characteristics of the student body, as well as student-teacher ratios.
Date: 2005
Source: Hoover Institution, Stanford University
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