This blog [1] claims, and the reference 11 therein (or directly [2]) shows, that the Swedish-speaking Finns score lower than Finnish-speaking Finns. It pretty m

This blog [1] claims, and the reference 11 therein (or directly [2]) shows, that the Swedish-speaking Finns score lower than Finnish-speaking Finns. It pretty much cannot be explained by socio-economic status, as Swedish-speaking Finns have higher socio-economic status than Finnish-speaking Finns. So the blog conjectures that it might be related to the languages. [1] http://finnish-and-pisa.blogspot.fi/ http://finnish-and-pisa.blogspot.fi/ [2] http://ktl.jyu.fi/img/portal/8317/PISA_2003_screen.pdf http://ktl.jyu.fi/img/portal/8317/PISA_2003_screen.pdf