Institutions of higher education include colleges and universities; teachers' training colleges, with a four-year course for preparing kindergarten, primary, and secondary instructors; colleges of advanced technology with two or three-year courses; medical schools with six-year courses; special colleges for science and engineering, art, music, and foreign languages; and military colleges and academies. Kim Il Sung's report to the Sixth Party Congress of the Workers' Party of Korea in October 1980 revealed that there were 170 "higher learning institutions" and 480 "higher specialized schools" that year.