Today's education policy places a high priority on improving teacher quality and teaching effectiveness in U.S. schools. Standards-based professional learning requires teachers to have deep subject knowledge and the most effective pedagogy for teaching the subject. States and school districts are charged with establishing teacher professional…

What would happen if people found agreement around the world on what constitutes high-expertise teaching? For one thing, there would be a set of standards universally embraced that clearly defines core agreements about good teaching and learning. It would be obvious that proficiency in the knowledge, skills, and practices that comprise good…

In this article, the authors argue that district and school leaders continue to struggle with the apparent dichotomy between "traditional" and "reform-oriented professional development," especially with increased presence of professional learning communities in schools and their use in replacing other forms of professional development. Traditional…

Describes a staff-development project that trains K-12 science teachers to use Interactive Multimedia Exercises (IMMEX) software, which expands teachers' content knowledge, teaching them about IMMEX and about how to create problem-solving exercises for diverse students. The paper examines project development and implementation, describes IMMEX…