Data on student achievement are increasingly being used to support effective policy and practice, and to move education systems towards more evidence-informed approaches to large-scale improvement. In this paper, we outline strategies used in Ontario, Canada to create, enhance and apply a range of data to support educational improvement. These…

Schooling improvement initiatives have demonstrated that moderate but significant achievement gains are possible with well designed interventions, but there is little research into whether these gains can be sustained. The present study examines the extent to which acceleration in achievement made during a three-year literacy intervention and the…