This article explores the challenges of espousing a critical pedagogy within the managerial climate that presently shapes teacher education. Current discourses of professionalism are incommensurate with an understanding of the way that literacy practices are grounded in the social worlds in which both school and university students operate. Such discourses construct graduate teachers as the providers of decontextualised literacy skills to school students whose existing communication networks are ignored. We argue that an alternative understanding of professional practice can be developed by focusing on the textual resources university students use to mediate their learning, and by locating their emerging professional identities within the activity systems and meaning-making practices in which they participate.