Japanese children are probably the world's hardest-studying.
This situation has spawned a whole industry of special private tutoring schools called juku . Thus,the juku . Some of Tokyo's more famous juku are attended by both students and their parents-the parents keeping one step ahead so they can coach their children at home. Getting the kids through the right schools is a project for the whole family. These juku generally offer course work far in advance of the standard curricula for each grade, and it is said that students have to know high school math to pass the entrance exam to a top-notch junior high school.