The Organisation for Economic Cooperation Development (OECD) created the Programme for International Student Assessment (PISA) as a political actor in global education through a logic of governance by numbers (Grek, 2009). This article discusses how PISA has became a major showcase for the OECD as an assessment tool par excellence while also…

This article focuses on analysing the effect of educational differentiation policies of OECD educational systems on socioeconomically disadvantaged students, based on data from PISA 2009. The analysis is conducted on the basis of a definition of two subgroups of disadvantaged students: those that achieve high scores, and those obtaining scores…