More than half a million students from 65 countries and the school system, representing more than 80% of the world economy participated in the contest autumn 2012
Organisation for Economic Co-operation and Development said the results show students only achieve the highest level when they believe they are in control of their achievements and the ability to achieve the high level
of the OECD report identified Shanghai as an example and said that school where students not only believe that obtains control their ability to succeed, but also willing to do what it takes
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