Theory and empirical work suggest that teachers' social capital influences school improvement efforts. Social ties are prerequisite for social capital, yet little causal evidence exists on how malleable factors, such as instructional management approaches, affect teachers' ties. In this cluster-randomized trial, we apply a decision-making…

Over a decade ago, Borko (2004) raised the awareness of the education research community to the critical need for studies of teacher professional development (PD) programs. She states on page 13: "My challenge to the educational research community is this: We have much work to do and many questions to answer in order to provide high-quality…

This purpose of this report is to examine the role of after school and summer learning programs in supporting student success and to help bridge the divide between out-of-school time programs and schools by offering research-derived principles for effective expanded learning partnership efforts. Discussion points include: (1) Benefits of expanded…