As most principals already know, traditional teacher evaluations and assessments gobble up valuable time and rarely have the desired impact on teaching and learning. Rethinking Teacher Supervision and Evaluation offers a solution with step-by-step instructions for implementing a new, more effective evaluation framework. This updated third edition of the bestselling book is filled with useful tools and expert advice for incentivizing good teaching, motivating collaboration, and promoting student achievement. Inside, educational leadership expert Kim Marshall reveals why principals should reject typical and often ineffective approaches to assessing teacher performance, such as infrequent classroom visits or standardized test scores. As an antidote, Marshall offers a time-tested framework that enlists teachers in improving the performance of all students. You will learn to use strategies that make a real-world difference in the classroom and form an overall approach to teacher evaluation and assessment that promises to increase teacher retention and student achievement in any K-12 setting.