In the past decade, there has been important progress in the development and validation of video-based instruments that enable the systematic assessment of teaching competence with large samples of teachers, across multiple settings and populations, and by researchers other than the developers. This commentary focuses on the methodological…

This paper offers for discussion and critique a conceptual framework that applies a situative perspective on learning to the study of learning to teach mathematics. From this perspective, such learning occurs in many different situations--mathematics and teacher preparation courses, pre-service field experiences, and schools of employment. By…

This article features case studies of two elementary schools, identified as exemplary by Washington educators, as they worked to enact Washington's Essential Academic Learning Requirements and help students achieve proficiency on the Washington Assessment of Student Learning. We describe school- and classroom-level practices and analyze the…