The organization and structure of a school can affect one's ability to improve student learning. Structural elements--such as the way time is used, the arrangements for collaboration, and the opportunities for sustained discussion of student learning in one's school--can either be barriers to reform or ways to accelerate the work. This article…

The Kent School District in Kent, Washington, adopted the use of video study groups (VSGs) during the 2008-09 school year to help teachers apply research-based strategies to support struggling math students. This form of embedded professional development has been around since the 1960s but is getting renewed attention because video equipment is…