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Download full textHanna, Robert; Morris, Bo – Center for American Progress, 2014
This paper explores what happens to similar groups of children educated in different school districts. In this case, the "twins" in the study are groups of students who live in the same state in similar geographies and who share certain demographic characteristics. For this report, "twin districts" have very similar sizes and…
Descriptors: Productivity, Academic Achievement, Cohort Analysis, Educational Assessment
