And there are big performance difference by ethnicity there, too: https://en.wikipedia.org/wiki/Academic_achievement_among_different_groups_in_Germany#Performa

And there are big performance difference by ethnicity there, too: https://en.wikipedia.org/wiki/Academic_achievement_among_different_groups_in_Germany#Performance_of_immigrants_in_the_PISA_examination https://en.wikipedia.org/wiki/Academic_achievement_among_dif...