From the article:
South Korean students perform well on international tests. But like students all over the world, they are less and less engaged with school. They just don’t like it.
“You measure the activity of brain when they are in the the classroom and it’s not working at all, even compared to when they are sleeping,” says Ju Ho Lee, the former minister of education, science, and technology in South Korea who is now a professor at the KDI School of Public Policy and Management.