This article highlights several key findings from the research project sponsored by the National Staff Development Council. Data and findings drawn from this study will be used to establish benchmarks for assessing progress in professional development over time. Taken as a whole, this work will provide the most comprehensive picture and…

An international study of mathematics and science education tells us more about what we need to know to improve math and science professional development. Students need regular opportunities to explore mathematical relationships to develop high levels of understanding in addition to developing skills. Teachers in high-achieving countries offer…