This paper summarises lessons learned from the Education Endowment Foundation's (EEF) early years (EY) trials and provides practical recommendations for conducting EY evaluations, particularly randomised control trials (RCTs) with pre-reception children. The report includes five sections, covering the following recommendations for the planning,…

This document summarises key findings from the quantitative strands of a review of the Education Endowment Foundation (EEF) evaluations that had reported from the establishment of EEF in 2011 up to January 2019. The quantitative strands summarised include meta-analyses of effect sizes reported for attainment outcomes and descriptive analyses of…

Evaluating the impact of complex whole-school interventions (CWSIs) is challenging. However, what evidence there is suggests that school leadership and other elements of whole-school contexts are important for pupils' attainment (Leithwood et al., 2006), suggesting that interventions aimed at changing these have significant potential to improve…