This article examines the impact of within-class age differences on educational outcomes, using students' birth months in Madrid's primary schools as a natural experiment. Employing a regression discontinuity design, we analyze third-grade students to investigate these age-related effects. Additionally, we explore whether early childhood education…

In this paper we analyze the extent to which a mandated kindergarten assessment predicts 3rd grade outcomes, and the academic progression for students from 3rd grade to high school. We find that the kindergarten assessment strongly predicts 3rd grade outcomes, with the math skills assessment being especially predictive of 3rd grade academic…

The purpose of this study was to examine associations between attendance in Georgia's Pre-K Program and children's academic and social outcomes through third grade. This report includes a sub-study that incorporates a comparison group of children who did not attend any pre-k program. This report focuses on third grade outcomes, but it also…

The onset of the COVID-19 pandemic in the spring of 2020 was marked by a transition to remote learning in Illinois schools and nationwide. The following school year, schools and families faced difficult decisions about how and when to return to in-person learning. School leaders, parents and caregivers, and students considered how to balance…

Vocabulary.com is an online adaptive game that teaches students words by systematic exposure to a variety of question types and activities and by understanding all the word meanings and nuances as they are learned. Vocabulary.com teaches 14,000 words using over 208,000 questions. It has been implemented with the Houston Independent School…

This report analyzes the effects of the Social and Emotional Learning (SEL) program on outcomes of interest over time. Data are analyzed based on school longevity in SEL. A separate executive summary also was published. [For the executive summary, see ED626964.]