Schweden: „Of the pupils whose parents’ level of education was compulsory school, 14 percent failed to achieve the goals in English while among pupils with at least one parent with university education, it was just over 1 percent. […] Of the pupils whose parents highest education level was compulsory school, 39 percent failed to achieve the goals in mathematics. The corresponding figure for pupils with one parent with university education was 10 percent. […] Among pupils with parents who only have compulsory school education, 7 percent failed to achieve the goals in the subject test in Swedish while among pupils with at least one parent with university education, it was just over 1 percent.“
Swedish National Agency for Education (Hrsg.), „Facts and figures 2012: Preschool activities, schools and adult education in Sweden“ (2014), S. 26f