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Achilles, Charles M.1
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Relationship between Class Size and Students' Opportunity to Learn Writing in Middle School
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Tienken, Christopher H.; Achilles, Charles M. – Research in the Schools, 2009
Class-size reduction (CSR) initiatives have demonstrated positive short- and long-term effects in elementary grades. Less is known about CSR influence on achievement in middle grades. Thus, we conducted a non-experimental, longitudinal, explanatory study of CSR influence on writing achievement of 3 independent cohorts of students (n = 123) in…
Descriptors: Class Size, Writing Achievement, Statistical Analysis, Achievement Gains
Using Research Results on Class Size To Improve Pupil Achievement Outcomes.
Achilles, C. M.; Harman, Patrick; Egelson, Paula – Research in the Schools, 1995
Beginning in 1991-92, a local school district undertook a concerted effort to reduce class size in grades 1 through 3 to 1:15, the Student/Teacher Achievement Ratio (STAR) Project. Achievement gains and research indicated that class size caused increased achievement and facilitated improved instruction. (SLD)
Descriptors: Achievement Gains, Class Size, Instructional Improvement, Outcomes of Education