Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/120958
Year of Publication: 
2015
Series/Report no.: 
IZA Discussion Papers No. 9305
Publisher: 
Institute for the Study of Labor (IZA), Bonn
Abstract: 
Recent research exploits a variety of natural experiments that create exogenous variation in annual school days to estimate the average effect of formal schooling on students' academic achievement. However, the extant literature's focus on average effects masks potentially important variation in the effect of formal schooling across the achievement distribution. We address this gap in the literature by estimating quantile regressions that exploit quasi-random variation in the number of school days between kindergarten students' fall and spring tests in the nationally representative Early Childhood Longitudinal Study – Kindergarten Cohort (ECLS-K). The marginal effect of a typical 250-day school-year on kindergarten students' math and reading gains varies significantly, and monotonically, across the achievement distribution. For example, the marginal effect on the 10th percentile of the reading achievement distribution is 0.9 test score standard deviation (SD), while the marginal effect on the 90th percentile is 2.1 test score SD. We find analogous results for math achievement.
Subjects: 
education production function
school year length
quantile regression
ECLS-K
JEL: 
I2
Document Type: 
Working Paper

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