"In the updated third edition of this highly successful book, leadership expert, Sally Zepeda offers savvy advice to both new and seasoned principals and assistant principals. You get practical tools and strategies, along with real-world examples to helpyou improve teacher effectiveness and boost student achievement. This edition features valuable resources for teacher evaluation and professional development programs, including: tools and procedures for conducting classroom observations and pre- and post-observation conferences; how-to steps for assessing the culture and climate of your school; strategies to address marginal teaching; and techniques to support adult learning and professional development." --Publisher description.