The K-8 Early Implementers Initiative has found that careful planning is critical. With thin planning, unexpected detours or dead ends are likely. However, with solid planning, districts are more likely to achieve their implementation goals and may discover some express lanes for their implementation journey. This evaluation report documents…

Too often, students enter our classrooms with insufficient knowledge of physical science. As a result, they have a difficult time understanding content in texts, lectures, and laboratory activities. This lack of background knowledge can have an impact on their ability to ask questions and wonder--both key components of inquiry. In this article,…

This study reports on our steps toward achieving a conceptually coherent and empirically validated learning progression for carbon cycling in socio-ecological systems. It describes an iterative process of designing and analyzing assessment and interview data from students in upper elementary through high school. The product of our development…