This resource provides a range of practical, replicable processes for collaboratively examining student work, including writing samples, visual work, portfolios and exhibitions. It presents descriptions of teachers engaged in collaborative processes in actual school settings, from early elementary through high school. Reporting on the work of several important school change networks and institutes - and incorporating the perspectives of researchers, teacher educators, administrators and teachers - building an argument for refocusing professional development on the collaborative and reflective examination of authentic student work, rather than relying on representations of student learning such as test scores and work.