Toyon (Sophomore Priority).
Co-ops or "Self-Ops" are another housing option. These houses feature cooperative living, where residents and eating associates each contribute work to keep the house running, such as cooking meals or cleaning shared spaces. These houses have unique themes around which their community is centered. Many co-ops are hubs of music, art and philosophy. The co-ops on campus are 576 Alvarado Row (formerly Chi Theta Chi), Columbae, Enchanted Broccoli Forest (EBF), Hammarskjöld, Kairos, Terra (the unofficial LGBT house), and Synergy. Phi Sigma, at 1018 Campus Drive was formerly Phi Sigma Kappa fraternity, but in 1973 became a Self-Op. By 2015, 55 percent of the graduate student population lived on campus. Stanford also subsidizes off-campus apartments in nearby Palo Alto, Menlo Park, and Mountain View for graduate students who are guaranteed on-campus housing but are unable to live on campus due to a lack of space.
=== Athletics ===
In 2016, Stanford had sixteen male varsity sports and …