In Korea, children are measured by a very high standard both in school and in other activities. In this video clip, you can see how students might be graded by a pass or fail (on this day, it is a competition). They understand that they must show mastery of a skill and be proficient before they can move to more difficult and challenging ones.
https://www.youtube.com/watch?v=WBbkJvit7kU&t=92s