Transform your teaching practice with this powerful approach to professional growth! Teacher inquiry can play a critical role in professional staff development across all grade levels and subject areas. Now this updated bestseller offers both an in-depth examination of teacher inquiry as well as step-by-step instructions, giving prospective and practicing teachers everything they need to engage in this vital process. Featuring helpful exercises in every chapter, this how-to guide to action research takes teachers through each stage of the process: formulating a research question, collaborating with others, collecting data, analyzing data, writing and presenting classroom research, and assessing the quality of the work. The authors also demonstrate the relationship between teacher inquiry and differentiated instruction, data-driven decision making, progress monitoring, and Response to Intervention. This revised edition includes An updated section about professional learning communities The latest data collection methods, including digital photos, video, blogging, and assessment measures Simplified models for documenting inquiry results Added examples from middle and high school settings A new chapter on assessing inquiry projects By learning to make the most of this essential tool, teachers can enhance their instruction and contribute significantly to improved student achievement!