Dr Jasper Jim
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Why do South Korea's students do so well?

8 October 2013 Last updated at 12:53 BST

South Korean students regularly rank high in league tables when it comes to academic achievement, after making huge progress in recent decades.

Dr Jasper Kim is a professor at the Graduate School of International Studies at Ewha University in South Korea.

He says the students have a strong work ethic, but that success comes at a financial cost to their families.