Singapore has done it again, topping the biggest global school rankings published by the Organisation for Economic Co-operation and Development (OECD). Asian countries took the top five spots; African countries were at the bottom.
The analysis, based on test scores in maths and science in 76 countries, is a much wider map of education standards than the OECD's Pisa tests, which focus on more affluent industrialised countries. The latest Pisa test in 2012 polled 65 countries and regions.
OECD's education director Andreas Schleicher said: "This is the first time we have a truly global scale of the quality of education." The OECD economic think tank says the comparisons show the link between education and economic growth.
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