The purpose of the study was to design a rigorous experimental study and collect high quality data to determine the effectiveness of the intervention on student achievement. In particular, the authors examined whether diagnostic assessments implemented by schools in Indiana produced rigorous estimates of their effects on student performance on the…

Are students who attend full-day kindergarten better prepared for future academic success than their peers who attend half-day kindergarten programs? Much of the current research on full-day kindergarten programs suggests they are. Researchers cite gains such as increased academic achievement, lower grade retention rates, improved attendance, and…