How can we use professional development to provide the best teaching and learning opportunities for all students?Teachers who know their content and strategies can open a virtual toolbox and take out what they need to help all students become successful. This revised and updated edition explains how educational leaders can design, deliver, and evaluate collaborative standards-based professional development, and contains:Essential questions about high-quality professional development Information on creating the culture for a learning community Conditions and processes for professional development Suggestions on designing your own model Tools for evaluating and rethinking professional development and learning Strategies for deepening a leader?s impact on a standards-based system