Using an unanticipated policy reform in Mexico that shifted 4 months the cutoff date for elementary school eligibility in 2006 and information on academic performance of 15-year-old students from the Programme for International Student Assessment (PISA) 2018 survey, who entered first grade in 2006, this paper estimates the effects of starting…

European American students are more likely delayed entrance in kindergarten than African American students. This study examined whether age at kindergarten entry influences the reading proficiency skills of African American and European American students at the start of kindergarten, at the end of first grade, and at the end of third grade. Using…

There is continuing controversy about the optimal or appropriate age at which children should start school. The purpose of this study is to examine the relationship between age and achievement. It is an attempt to evaluate the hypothesis that older students fare better academically than their younger classmates. Findings indicate that on average…