This exploratory paper seeks to shed light on the methodological challenges of education systems research. There is growing consensus that interventions to improve learning outcomes must be designed and studied as part of a broader system of education, and that learning outcomes are affected by a complex web of dynamics involving different inputs,…

Quantifying the impact of teaching quality on pupil learning, and understanding what teacher characteristics or practices are likely to improve student achievement, are pressing research questions in all countries. Empirical evidence also needs to be context specific since different education systems are likely to have different facilitators and…