Seongjong of Goryeo

King Seongjong founded national Confucian academies and local schools throughout Goryeo, promoting Confucian learning and ethics. This educational reform strengthened the civil service examination system and fostered a Confucian scholar-official class that shaped Goryeo governance.

Seongjong issued a comprehensive legal code based on Confucian principles, systematizing Goryeo's laws and administrative regulations. This code provided a legal framework for governance, criminal justice, and social order, influencing Korean law for centuries.