The Lean Education Manifesto: A Synthesis of 900+ Systematic Reviews for Visible Learning in Developing Countries

The global expansion of education is one of the greatest successes of the modern era. More children have access to schooling and leave with higher levels of learning than at any time in history. However, 250 million+ children in developing countries are still not in school, and 600 million+ attend but get little out of it – a situation further exacerbated by the dislocations from COVID-19.

In a context where education funding is stagnating and even declining, Arran Hamilton and John Hattie ...