Their parents push them to study.
Many parents doubt it.
South Korea's education system demands almost every minute of students' time for endless exams and tutoring sessions, then sends them into an economy for which they are often unprepared. U.S. universities face tougher competition in attracting Asian students as the region's schools improve. Safe image and proximity draw Asian students, but weak currencies could cut the flow. If this sounds about as fun as a root canal, think of it as more like bridge work. Brain Influx More and more of China's overseas scholars, tempted by a booming economy, are returning home.