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ERIC Number: ED544744
Record Type: Non-Journal
Publication Date: 2014-Jan
Pages: 9
Abstractor: ERIC
WWC Review of the Report "National Charter School Study: 2013." What Works Clearinghouse Single Study Review
What Works Clearinghouse
The study reviewed here examined the effect of charter schools on annual student achievement growth in reading and math in 25 states, the District of Columbia, and New York City. The study primarily used data on students in grades 3-8, but additional elementary and high school grades were included for several states. The authors reported that charter school students in the sample had annual reading score growth that was 0.01 standard deviations higher than that of students in traditional public schools. This difference was statistically significant. There was no statistically significant difference between charter school students and traditional public school students in their year-to-year gains in math. The research described in this report meets What Works Clearinghouse (WWC) evidence standards with reservations. This study was a large, multi-year analysis in which the authors matched charter school students with traditional public school students based on observed demographic characteristics and test scores. However, unobserved differences between the two groups may have existed. In addition, the study's results do not have a straightforward interpretation because they blend the 1-year gains students experienced during their first year of charter school attendance and 1-year gains during subsequent years. Finally, the effect sizes reported in this study (which are based on an analysis of achievement gains) are not directly comparable to effect sizes reported by other studies that analyzed achievement levels. The following are appended: (1) Study details; (2) Outcome measures for each domain; (3) Study findings for each domain; and (4) Supplemental findings by domain. A glossary of terms is also included. (Contains 2 endnotes.) [The following study is the focus of this review: "Center for Research on Education Outcomes (CREDO). (2013)." National Charter School Study: 2013. Stanford, CA: Author.]
What Works Clearinghouse. P.O. Box 2393, Princeton, NJ 08543-2393. Tel: 866-503-6114; e-mail:; Web site:
Publication Type: Reports - Evaluative
Education Level: Elementary Education; Secondary Education; High Schools; Grade 3; Grade 4; Grade 5; Grade 6; Grade 8; Grade 7
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: What Works Clearinghouse (ED)
IES Funded: Yes