This report describes how lesson study is being implemented in one Northern California school district, drawing on research conducted in the district over 3 years via interviews with project leaders and participants; videotapes/audiotapes of the lesson study work (e.g., planning, research lessons, and lesson colloquia); workshops designed to build…

The movement toward a functional reorganization of the school system began more than two decades ago, and has survived two of the stages through which every project, on its way from inception to practice, must necessarily pass: that of academic discussion and that of consideration of working plans. It is now entering the final stage, that of…