Des Moines (Iowa) Public Schools is one of six urban districts participating in an effort to redesign the role of principal supervisors. The Wallace Foundation's Principal Supervisor Initiative provides four years of support for these districts to transform the role, which has traditionally focused on operations and compliance, into one that…

In recent years, there has been an increasing focus on professional learning structures for teaching and finding ways to embed this learning into the daily work of teachers. This is premised on the understanding that one-shot professional development yields little transfer or change of practice to ultimately impact student learning. But how has…