Worried that your child is slow to speak? Here is what is typical at each stage, and what is a signal worth checking.

The elementary years are about habits rather than grades. Study habits, school subjects, reading and school life.

The first time grades stay on the record. Exam preparation, high school choice and early career exploration.

Three years in which grades, mock exams and the student record all run at once. We check what is reflected, and when.

Early or regular admission, a retake year, an essay exam — each route compared in numbers.

International schools in Korea and abroad: admissions, tuition, curriculum and where graduates go after school.

How national and local civil service exams differ, and how the subjects for each job series have changed.

The side that supports the student: education costs, scholarships and government support schemes.

So that changing rules and dates do not slip past you — summarised from the original announcements.