Most accountability policies monitor Head Start quality at the center level by selecting a subset of classrooms within a center to represent quality. This study explores variation in classroom quality in Head Start and implications for accountability systems and children's well-being. We find that one third to one half of the variation in quality…

Schools are increasingly adopting universal social-emotional learning (SEL) programs to support students' prosocial development and academic success. When adopted across contexts and student populations, SEL interventions can be implemented in different ways particularly under typical classroom conditions that are not part of research efficacy…

Leaders, policymakers, and systems developers seek to improve early childhood programs through data driven decision-making. Data can be useful for informing continuous quality improvement efforts at the classroom and program level and for creating support for workforce development at the system level. Early childhood program leaders use…