OECD has been evaluating the role learning plays in improving social outcomes such as health and social cohesion. The Social Outcomes of Learning (SOL) project explores the causal links, the causal mechanisms and the contexts under which education is likely to play an important role in promoting healthy lifestyles and active civic and social engagement (CSE). The first phase (2005-2007) of this project developed a conceptual framework and mapped available evidence pertaining to diverse domains of health and CSE. The second phase (2008-2009) focused on particular sub-domains of health (i.e. obesity, mental health and drinking) and CSE (i.e. volunteering, political interest and trust/tolerance) to evaluate whether, how and under what conditions education can contribute to improving these social outcome measures.