The discussion about rigor is not new. Ever since the release of A Nation at Risk (1983) the debate about the quality of American schools has continued. Adoptio

This book includes a set of rigorous and accessible studies on the topic of “research evidence” from a variety of levels and educational vantage points. It

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This book provides a theoretical and practical account of a successful design-based research-practice partnership, the Learning Schools Model. The Model has bui

Ability grouping. Leveling systems. Streaming. This is the modern way of talking about tracking -- the traditional practice of sorting and selecting students ba