This is so true. However, I think that the communist attitude doesn't lend it towards success. Don't just look at the scores, also look at the achievements that people living in a nation are able to achieve. People not only have achieved more in terms of both economic and technological development in the so called out run nations who can't achieve higher score on tests. Dissertation Store - dissertation service .Just look at the rate of innovation and growth in the USA. While their children can't get the highest scores in international tests, but their excellent infrastructure has enabled them to achieve growth at  very high pace.