What is the average age of graduating high school in Korea?
Most students graduate when they are 18. (In Korean years, he or she would be 19.) Here is a list of typical ages for students in South Korea.
Elementary 1st grade - 7 years old (8 years old in Korean age)
Elementary 2st grade - 8 years old (9 years old)
Elementary 3st grade - 9 years old (10 years old)
Elementary 4st grade - 10 years old (11 years old)
Elementary 5st grade - 11 years old (12 years old)
Elementary 6st grade - 12 years old (13 years old)
Middle 1st grade - 13 years old (14 years old)
Middle 2st grade - 14 years old (15 years old)
Middle 3st grade - 15 years old (16 years old)
High 1st grade - 16 years old (17 years old)
High 2st grade - 17 years old (18 years old)
High 3st grade - 18 years old (19 years old)