To ensure that all students learn at high levels, teachers must collaborate with colleagues to examine student achievement data, plan or adjust instruction, and track student progress. By meeting in professional learning communities, teachers continually examine instructional strategies and improve student learning. This school-based,…

This article discusses five generally accepted reasons to use data as a part of an educator's ongoing professional practice. Of course, there are many other more specific reasons one might look at data, but these five cover the overarching need in an educational setting. The five major purposes for using data are: (1) To enhance understanding and…