Korean students have been ranked among the best in the world at computer-based problem solving.
They scored an average 561 points on this section of the Program for International Student Assessment. Their score, just a point behind students from Singapore, was the second highest among all the 44 participating countries, and the highest among OECD countries.
It was PISA's first international assessment of creative problem-solving skills to evaluate the abilities of 15-year-old students.
Japan ranked third on the list.