In response to the need for a scalable, institutionally supported model of educational change, the Science Education Initiative (SEI) was created as an experiment in transforming course materials and faculty practices at two institutions--University of Colorado Boulder (CU) and University of British Columbia. We find that this departmentally…

This ethnographic case study examined the roles of district and school macro-culture and teacher sub-group micro-culture in influencing the nature and extent of teachers' professional collaboration. Informed by the sociocognitive theory that learning is rooted in social relationships and develops through interpersonal discourse and activity, the…