The summer before the 2003-2004 year, the author was contacted by a district director of exceptional student education (ESE) about participating in a new program. She described it as a problem-solving method that would help them identify and provide interventions for K-2 students who were not making adequate progress in reading. The district would…

For over a decade, research studies of mathematics education in high-performing countries have pointed to the conclusion that the mathematics curriculum in the United States must become substantially more focused and coherent in order to improve mathematics achievement in this country. To deliver on the promise of common standards, the standards…