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A Think Twice Review of:

Review of Small Class Sizes for Improving Student Achievement in Primary and Secondary Schools: A Systematic Review

Think Twice - Nov 21, 2023

Publisher/Think Tank - Campbell Collaboration

Author(s) - Trine Filges, Christoffer Scavenius Sonne-Schmidt, and Bjørn Christian Viinholt Nielsen

A 2018 report from Campbell Collaboration, analyzing research literature estimating the impact of class size reduction on reading and math achievement, has recently been gaining renewed attention, thanks in part to a Washington Post piece by Michael Bloomberg.


Reviewer(s) - Clive Belfield, Queens College, City University of New York

But the body of evidence the report uses is far too limited for the report to be of use to policymakers. So concludes Clive Belfield of Queens College, City University of New York, in his review of Small Class Sizes for Improving Student Achievement in Primary and Secondary Schools: A Systematic Review.