The university has 102 undergraduate majors and 101 graduate programs. There are 48 undergraduate majors and 69 minors. The enrollment is 200 undergraduate music majors. A total of 56 undergraduate majors are offered. Students may choose from 29 majors and 40 minors, as well as other interdisciplinary studies. It has 18 academic departments divided into five schools offering 23 majors and 38 minors. In addition to its many majors and minors, the college offers several programs. Students can elect to pursue double majors or individualized majors. These organizations are social organizations which cater to students in those majors. The Honors program is open to students in all majors. You also choose 3 different majors and/or universities. MIT students refer to both their majors and classes using numbers or acronyms alone. Membership is open by audition to students of all class levels and all majors. Caltech offers 24 majors (called "options") and six minors across all six academic divisions. This club is open for students of all majors and concentrations.