Do countries have to choose between more educated or better-educated children?

While Joana, a 15-year-old girl from Fortaleza in Brazil, was sitting the PISA test in 2015, her cousin, also 15 but living in the countryside, was busy working in the family business. In fact, by the time they turn 15, many adolescents in low- and middle-income countries are no longer enrolled in school (or have never been), particularly in sub-Saharan Africa and South and West Asia. More...