How China is winning the school race.
China's education performance - at least in cities such as Shanghai and Hong Kong - seems to be as spectacular as the country's breakneck economic expansion, outperforming many more advanced countries.
But what is behind this success?
Eyebrows were raised when the results of the Organisation for Economic Co-operation and Development's international maths, science and reading tests - the Programme for International Student Assessment (Pisa) tests - were published.
Shanghai, taking part for the first time, came top in all three subjects.
Meanwhile, Hong Kong which was performing well in the last decade of British rule, has gone from good to great. In this global ranking, it came fourth in reading, second in maths and third in science.
These two Chinese cities - there was no national ranking for China - had outstripped leading education systems...
Read more at http://www.bbc.co.uk/news/business-14812822