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 academic buildings including Sever Hall and University Hall, Memorial Church, and the majority of the freshman dormitories. Sophomore, junior, and senior undergraduates live in twelve residential Houses, nine of which are south of Harvard Yard along or near the Charles River. The other three are located in a residential neighborhood half a mile northwest of the Yard at the Quadrangle (commonly referred to as the Quad), which formerly housed Radcliffe College students until Radcliffe merged its residential system with Harvard. Each residential house contains rooms for undergraduates, House masters, and resident tutors, as well as a dining hall and library.