This paper explores the PISA [Programme for International Student Assessment] achievement of twenty countries in light of some of their demographic differences. SES [student socioeconomic status], nuclear family, gender, home language, and native status were predictive of achievement for every country. Demographics accounted for as little as 8…

Children of foreign origin are increasingly failing in mathematics in Swedish compulsory schools. This article analyses the didactics at a school proven very successful in teaching mathematics to all children including the 70% of children of foreign origin. The situation at the studied school is compared to research of the Swedish school system…