Difference between class and grade in Korean

수업·

class

수업class

수업 means a class, lesson, or study period, usually at school. You use it when talking about having class, starting class, or what kind of class you take. It is a very common word in everyday school life.

How to say class
grade

grade

The word 급 means a grade or level. In school and learning, it often shows how basic or advanced something is, like beginner, middle, or advanced levels. You can also see it with numbers, such as 1급 or 2급, in tests and classes.

How to say grade

The difference

수업 means a lesson or class that you take. It is the activity itself, not the level number of the class.