Goryeo Dynasty Confucianism
King Gwangjong created the national civil service examinations, and King Seongjong was a key figure in establishing Confucianism. King Seongjong established Gukjagam. Gukjagam was the highest educational institution of the Goryeo dynasty. This was facilitated by the establishment, in 1398, of the Sunggyungwan – an academy with a Confucian curriculum – and the building of an altar at the palace, where the king would worship his ancestors.
Read more about this topic: Korean Confucianism