Harvard University President of Harvard University. There are 16,000 staff and faculty, including 2,400 professors, lecturers, and instructors teaching 7,200 undergraduates and 14,000 graduate students. The Faculty of Arts and Sciences has primary responsibility for instruction in Harvard College, Graduate School of Arts and Sciences, and the Harvard Division of Continuing Education, which includes Harvard Summer School and Harvard Extension School. There are ten other graduate and professional school faculties, in addition to the Radcliffe Institute for Advanced Study. Joint programs with the Massachusetts Institute of Technology include the Harvard-MIT Division of Health Sciences and Technology, the Broad Institute, The Observatory of
Harvard University Corbusier, housing the film archive, the Peabody Museum of Archaeology and Ethnology, specializing in the cultural history and civilizations of the Western Hemisphere, and the Semitic Museum featuring artifacts from excavations in the Middle East. Among overall rankings, the "Academic Ranking of World Universities" ("ARWU") has ranked Harvard as the world's best university every year since it was first released. When QS and "Times Higher Education (THE)" were published in partnership as the "THE-QS World University Rankings" during 20042009, Harvard had held the top spot every year, so has it on "THE World Reputation Rankings" ever since it was released