Co-teaching and related collaborative models of instruction are widely used in primary and secondary schools in many school systems. This systematic review and meta-analysis investigated the effects of such models on students' academic achievement and how these effects are moderated by factors of theoretical and practical relevance. Although…

Following research on the negative impact of support from teaching assistants (TAs) on pupils' academic progress, there was a clear need for schools to fundamentally reassess the way they use TAs. This article reports on findings from a collaborative project aimed at developing and evaluating alternative strategies to using TAs. Practitioner-led…