Elizabeth Dhuey
Centre for Industrial Relations
and Human Resources
University of Toronto
121 St. George Street
Toronto, Ontario M5S 2E8
Canada
E-Mail: 
Institutional Affiliation: University of Toronto
Information about this author at RePEc
NBER Working Papers and Publications
August 2017 | School Starting Age and Cognitive Development
with David Figlio, Krzysztof Karbownik, Jeffrey Roth: w23660
We present evidence of a positive relationship between school starting age and children’s cognitive development from age 6 to 15 using a regression discontinuity design and large-scale population-level birth and school data from the state of Florida. We estimate effects of being relatively old for grade (being born in September versus August) that are remarkably stable – always just around 0.2 SD difference in test scores – across a wide range of heterogeneous groups, based on maternal education, poverty at birth, race/ethnicity, birth weight, gestational age, and school quality. While the September-August difference in kindergarten readiness is dramatically different by subgroup, by the time students take their first exams, the heterogeneity in estimated effects effectively disappears. We... Published: Elizabeth Dhuey & David Figlio & Krzysztof Karbownik & Jeffrey Roth, 2019. "School Starting Age and Cognitive Development," Journal of Policy Analysis and Management, vol 38(3), pages 538-578. citation courtesy of 
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