On January 20, 1951, religious studies were adopted as a part of national curriculum. Then, on June 1, 1957, Yunus was appointed the first director of Akademi Dinas Ilmu Agama (A.D.I.A.), the Service Academy of Religious Sciences in Jakarta (Syarif Hidayatullah State Islamic University Jakarta). From 1967 to 1970, Yunus was director of the Institut Agama Islam Negeri Imam Bonjol.