House (women's), the Public Affairs Residential College, the Residential College of Cultural and Community Studies, Shepard Residential College (multi-thematic), Slivka Residential College for Science and Engineering, West Fairchild (International Studies), and Willard Residential College (multi-thematic). Residence halls include Allison Hall, Bobb-McCulloch, Elder Hall, Foster-Walker Complex (commonly referred to as Plex), Rogers House, and Shapiro Hall (formerly known as 560 Lincoln) among others.
An estimated 20% of undergraduates are affiliated with a fraternity or sorority. Northwestern recognizes 21 fraternities and 18 sororities.
All incoming undergraduates at Northwestern University are required to live on campus for their first two years.
=== Traditions ===
"Alma Mater" is the Northwestern Hymn. The original Latin version of the hymn was written in 1907 by Peter Christian Lutkin, the first dean of the School of Music from 1883 to 1931. In 1953, then Director-of-Bands John Paynter recruited an undergraduate …
