Explore the practical steps teacher teams must take to establish clear, comprehensive assessment systems that guide instruction and strengthen PLCs. This book has the capacity to reignite passion and energy assessment practices bring as tools to guide teaching and learning. Strengthen instructional agility in professional learning communities with collaborative common assessments that collect vital information and consider all levels of the organization. Explore the practical steps teacher teams must take to establish clear, comprehensive assessment systems, and discover how to continually improve results. This book provides readers: (1) Case studies of schools that have effectively implemented collaborative common assessment systems; (2) An opportunity to learn the phases in the collaborative common assessment process and the benefits of engaging in this process; (3) The ability to evaluate criteria vital to prioritizing standards; (4) Consideration of crucial questions to guide data conversations; and (5) Tools for prioritizing standards and designing assessments. Following a foreword by Richard DuFour, the following chapters are contained in this book: (1) Doing Extraordinary Things; (2) Embedding Collaborative Common Assessments in a Balanced Assessment System; (3) Working together for a Common Purpose; (4) Preparing the Foundation for Collaborative Common Assessments; (5) Designing Collaborative Common Assessments; (6) Delivering New Approaches to Assessment; (7) Examining Data to Improve Learning; and (8) Responding with instructional Agility.