Gist
A 7-year-old in South Korea is usually Elementary Grade 1 or Grade 2. See the direct answer, key exception and records that confirm the correct placement.
A 6-year-old in South Korea is usually the final kindergarten year or Elementary Grade 1. See the direct answer, key exception and records that confirm the correct placement.
A 5-year-old in South Korea is usually kindergarten or another preschool programme. See the direct answer, key exception and records that confirm the correct placement.
A 4-year-old in South Korea is usually kindergarten or another preschool programme. See the direct answer, key exception and records that confirm the correct placement.
A 12-year-old in South Korea is usually Elementary Grade 6 or Middle School Grade 1. See the direct answer, key exception and records that confirm the correct placement.
A 11-year-old in South Korea is usually Elementary Grade 5 or Grade 6. See the direct answer, key exception and records that confirm the correct placement.