Historically, Korea was differently ruled and named. The official records on organised education start with Three Kingdoms period.
???-108 BC Old Chosŏn 57 BC-668 - epoch of Three Kingdoms: Goguryeo, Baekje and Silla; in fact divided into 4 kingdoms, including also a small kingdom of Gaya 668-926 Unified Silla and Balhae 918-1392 Goryeo - the national civil service examinations (gwageo) established in 958; 1392-1910 Joseon, see Education in the Joseon Dynasty 1910-1945 Korea was under Japanese occupation, see: Education in Japanese rule
Since 1945, Korea has been divided into two separate countries For North Korea, see Education in North Korea. For South Korea, see Education in South Korea.