This document discusses interviews with K12 teachers about how their use of open educational resources (OER) has changed their teaching practices. Some key points: - Teachers see themselves more as co-learners with students rather than the sole possessors of knowledge. They are able to draw on many online resources and perspectives. - Teachers can now look at how other educators have taught topics online and modify or get new ideas for their own lessons rather than relying solely on textbooks. - One teacher has students help improve an open online course each year by giving them edit access to contribute and enhance the curriculum. - An interdisciplinary project used OER from different subject areas to connect topics across multiple classes for a