Effects of Class-Size Reduction on Cognitive and Non-Cognitive Skills

45 Pages Posted: 12 Feb 2019 Last revised: 22 May 2019

See all articles by Hirotake Ito

Hirotake Ito

Keio University - Faculty of School and Media Governance

Makiko Nakamuro

Keio University

Shintaro Yamaguchi

University of Tokyo - Graduate School of Economics

Date Written: May 20, 2019

Abstract

We estimate the effects of class-size reduction by exploiting exogenous variation caused by Maimonides’ rule, which requires that the maximum class size is 40 students and that classes be split into two when 41 students are enrolled. Our data cover all fourth to ninth graders in 1,064 public schools in an anonymous prefecture of Japan for three years. We find that the effects of class-size reduction on academic test scores are statistically and/or economically insignificant when school fixed effects are controlled. We find no evidence that small class size improves non-cognitive skills.

Suggested Citation

Ito, Hirotake and Nakamuro, Makiko and Yamaguchi, Shintaro, Effects of Class-Size Reduction on Cognitive and Non-Cognitive Skills (May 20, 2019). Available at SSRN: https://ssrn.com/abstract=3326288 or http://dx.doi.org/10.2139/ssrn.3326288

Hirotake Ito

Keio University - Faculty of School and Media Governance ( email )

5322 Endoh
Fujisawa-city
Kanagawa, 252-8520
Japan

Makiko Nakamuro

Keio University

2-15-45 Mita
Minato-ku
Tokyo, 108-8345
Japan

Shintaro Yamaguchi (Contact Author)

University of Tokyo - Graduate School of Economics ( email )

Tokyo
Japan

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