Many of the researchers in research-practice partnerships (RPPs) are drawn to them because of frustrations that their work--while esteemed by academic colleagues--too infrequently influences education policies or practices. Many district partners in RPPs also have backgrounds as researchers, and they too want to see research address stubborn…

Cultural-historical activity theory (CHAT) approaches to intervention aim for transformative agency, that is, collective actions that expand and bring about new possibilities for activity. In this article, we draw on CHAT as a resource for organizing design research that promotes teachers' agency in designing new science curriculum materials. We…