In evaluating the role of kindergarten entry age, previous researchers have not examined the entry-age effects for English language learners (ELL). Additionally, little work has assessed the role of entry age on both achievement and social-emotional outcomes. This study is the first to do both simultaneously. The authors used data from a…

Prior research evaluating school entry age effects has largely overlooked the effects on social-behavioral skills despite the growing recognition of returns to such skills. This study is the first to examine the effects of kindergarten entry age on children's social-behavioral outcomes using 9 years of panel data on a national sample of U.S.…

The rising trend in the minimum entrance age for kindergarten in the US has been motivated by findings from cross-sectional studies that older entrants have more favorable school outcomes compared to younger entrants. However, these studies fail to account for endogeneity in entrance age resulting from parental choice, leading to biased estimates…