When teachers use data effectively, students see results. Learning Forward is a leader in understanding and advancing professional learning that leads to student success. This series explores Learning Forward’s seven Standards for Professional Learning, which outline the characteristics of effective professional learning. In this volume, the authors explore the crucial function of data for designing, implementing, and evaluating professional learning. The book’s features include: An original "think piece" by Thomas Guskey on using data in deliberate and thoughtful ways in the context of professional learning Specific implementation strategies that focus on analyzing student, educator, and system data and assessing progress A detailed case study of one district’s journey to successful use of data and how it led to measurable improvement in student achievement Learning to collect, analyze and use data is an essential component of professional development. When schools are able to make data work for them, students are the ones who benefit.