Curriculum experts have long argued that adopting content-rich language arts curricula would help to remedy the knowledge deficit. Another approach is simply to devote more classroom time to subjects like science and social studies. It is an open question whether more time spent on such content-rich subjects in elementary school classrooms might…

Improving the reading ability of young students could hardly be a more urgent priority for our elementary schools. Two thirds of American fourth and eighth graders are not able to read proficiently--and the outcomes are far worse for students from disadvantaged backgrounds. The National Assessment of Educational Progress in 2019 showed that only…

Prior research has shown that EL classification is consequential for students, however, less is known about how EL classification impacts students' outcomes. In this study, we examine one hypothesized mechanism: teacher perceptions. Using nationally-representative data (ECLS-K:2011), we use coarsened exact matching to estimate the effect of EL…

Research showed that children's school-entry academic skills are strong predictors of their later achievement, thereby highlighting the importance of children's achievement at kindergarten entry. This article defines a particular type of parental involvement in children's education and uses a representative sample of American urban kindergarteners…

This report documents the design, development, and psychometric characteristics of the assessment instruments used in the Early Childhood Longitudinal Study-Kindergarten Class of 1998-99 (ECLS-K). The ECLS-K is sponsored by the U.S. Department of Education, National Center for Education Statistics. The ECLS-K was designed to assess the…