St. Anthony Hall
St. Anthony Hall, better known as St. A's is a national fraternity-like organization that was founded at Columbia in 1847 and has chapters at elite universities around the country. I has the greek letter designation Delta Psi.
At Columbia, St. A's owns a building on riverside drive adjacent to Woodbridge, between 116th and 115th street. Though highly secretive, the organization is also known for it's parties, and rumors of cocaine use abound.
