Nancy Frey, Ph.D., is a Professor in Educational Leadership at San Diego State University and a leader at Health Sciences High and Middle College. She has been a special education teacher, reading specialist, and administrator in public schools. Nancy has engaged in Professional Learning Communities as a member and in designing schoolwide systems to improve teaching and learning for all ... Read morestudents. She has published numerous books, including The Teacher Clarity Playbook and Rigorous Reading. Douglas Fisher, Ph.D., is Professor of Educational Leadership at San Diego State University and a leader at Health Sciences High & Middle College. He has served as a teacher, language development specialist, and administrator in public schools and non-profit organizations, including 8 years as the Director of Professional Development for the City Heights Collaborative, a time of increased student achievement in some of San Diego's urban schools. Doug has engaged in Professional Learning Communities for several decades, building teams that design and implement systems to impact teaching and learning. He has published numerous books on teaching and learning, such as Assessment-capable Visible Learners and Engagement by Design. Show Less