This article explores the nature of teacher expertise in the primary school classroom, drawing on theoretical models of expertise and of teaching expertise. It challenges simplistic models of an "outstanding" or "master" teacher to argue that since teacher expertise is both situated and prototypical, it is manifested in…

This article explores how one specially prepared, accomplished teacher managed dilemmas that arose as she worked to enact responsive language arts instruction with English Learners in a policy context that privileged high-stakes accountability and standardization. Drawing on sociocultural learning theory, the article illustrates how the teacher's…

The nature of knowledge needed for teaching elementary science and the development of such knowledge is a focus of ongoing research in science education. Internationally, there is a move to include scientific literacy as an aim of science education curricula. In order to teach such curricula teachers need two types of subject matter knowledge…

In this paper, we describe a model for systematically improving the mathematics preparation of elementary teachers, one lesson at a time. We begin by identifying a serious obstacle for teacher educators: the absence of mechanisms for developing a shareable knowledge base for teacher preparation. We propose our model as a way to address this…

Dealing with ethnic and linguistic diversity is one of the major challenges in today's education. Therefore, the formulation of competencies for teachers and teacher training should take into account the specific requirements of teaching in multicultural schools. In 2002, a series of small-scale studies were conducted to identify and formulate…