By Emily Kingsland Earlier this month, the Center for International Education Benchmarking introduced a new feature on its web site.  The Study Guide is intended to provide readers with a weekly summary of headlines from the top-performing education systems in the world.  This month’s

The relationship between socio-economic status and performance is complex.  It has been tackled by education researchers over the years in an attempt to explain why some countries are more able than others to moderate the impact that socio-economic status can have on a student’s schoo