The National University of Mongolia (Mongolian: Монгол Улсын Их Сургууль, Mongol Ulsyn Ikh Surguuli, abbreviated NUM or MUIS) is the oldest university in Mongolia. This public university is named after Marshal Khorloogiin Choibalsan and hosts twelve schools and faculties in Ulaanbaatar, and runs branches in the Zavkhan and Orkhon Aimags. Approximately one third of the academically educated Mongolians have graduated from NUM.