“…Why, then, are Swedish schools struggling? There are many hypotheses floating around, some more plausible than others. Yet there has been no hard evidence for any of them. Until now.
Two weeks ago, I published a paper at the Research Institute of Industrial Economics and an op-ed in the largest Swedish daily about the impact of immigration on Sweden’s Pisa scores. Quite a row followed. Why? Well, it turns out that the change in pupil demographics due to immigration explains almost a third of the average decline between 2000 and 2012: 19 per cent in mathematical literacy, 28 per cent in reading literacy, and 41 per cent in scientific literacy. The effect is especially pronounced in recent years, coinciding with accelerating refugee immigration. Indeed, between 2009 and 2012, 43 per cent of the average Pisa score decline is explained by altered demographics: a full 29 per cent in mathematical literacy, 45 per cent in reading literacy, and 62 per cent in scientific literacy.”