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Mandeville, Garrett K.; Anderson, Lorin W. – 1986
School effectiveness indices (SEIs), based on regressing test performance onto earlier test performance and a socioeconomic status measure, were obtained for eight subject-grade combinations from 485 South Carolina elementary schools. The analysis involved school means based on longitudinally matched student data. Reading and mathematics…
Descriptors: Academic Achievement, Achievement Rating, Achievement Tests, Age Differences