Funnily enough, last week a comparative test of educational outcomes was discussed in the press showing that today there still exists a clear difference between

Funnily enough, last week a comparative test of educational outcomes was discussed in the press showing that today there still exists a clear difference between outcomes in (former) East Germany and (former) West Germany. East German Children were better at mathematics and natural sciences. So with identical genetics there is still an effect on the scale of typical European inter-country differences.