Consistent with the theme of this issue, we describe the details of one continuing effort to build knowledge for teacher education. We argue that building a useful knowledge base requires attention to the processes used to generate, record, and vet knowledge. By using 4 features of knowledge-building systems we identified in the introductory…

To understand how teacher education might build the knowledge it needs, the editors of this issue investigate how organizations outside of education create and maintain "self-improving" systems that enable them to learn how to get better at what they do. To learn about knowledge building in teacher education, the research reported here also looks…