Co-teaching, defined by Friend and Cook (2013) as substantive instruction by two or more professionals of a diverse group of learners in a shared space, has long been a key feature of middle level instruction. This article reports on a four-year formative experiment (Reinking & Bradley, 2008) intended to generate insights to guide teachers'…

Collective approaches to practice development are increasingly common in the teaching profession. Such initiatives frequently involve groups of teachers taking responsibility for introducing, sharing and developing new pedagogical resources and for aiding their integration into existing practices. This article explores teachers' knowledge work as…

This is the first report on the evaluation of the Inquiry Based Science and Technology Education Program (IN-STEP), an innovative and ambitious science education initiative for lower secondary schools being undertaken by a public-private partnership in Thailand funded by MSD-Thailand, an affiliate of Merck & Co. IN-STEP is a public-private…