Leading education authority Dylan Wiliam explains how formative assessment, when applied properly, helps to create a structured and rigorous learning environment that increases student achievement. He also presents compelling research to give readers a clear picture of:* Changes in classroom practice that are likely to increase learning* Differentiated instruction (DI) and response to intervention (RTI)* Group leadership's role in ensuring productive collaboration* Strategies to integrate formative assessment into teacher evaluationWiliam also discusses why efforts to change classroom practice have been relatively unsuccessful-and explores specific classroom tactics that do tend to raise student achievement.