The Boston University College of Arts and Sciences (CAS), which includes the Graduate School of Arts and Sciences (GRS), is the largest school at Boston University, offering Bachelor of Arts degrees in 25 departments and nearly 25 interdisciplinary programs, including those offered through the Pardee School of Global Studies. The departments and programs fall into four broad categories and encompass over 3,500 courses and over 100 undergraduate majors and minors. Graduate students can earn a master's or Ph.D. in nearly 50 fields. More than 8,000 undergraduates and 2,000 graduate students attend the College of Arts & Sciences each year.