ODK is a quasi-secret society with regard to the way in which its members are selected and kept secret for a period of time. Membership in the Omicron Delta Kappa Society is regarded as one of the highest collegiate honors that can be awarded to an individual, along with Phi Kappa Phi and Phi Beta Kappa. Some circles limit membership to less than the top one quarter of one percent of students on their respective campuses. Omicron Delta Kappa continues to maintain its headquarters in Lexington and is a major presence at W&L.
During the first half of the 20th century, the institution began its traditions of the Fancy Dress Ball and Mock Convention. Both of these are still staples of the W&L experience.The second half of the 20th century saw Washington and Lee move from being an all-men's college to a co-ed institution. The School of Law enrolled its first women in 1972 and the undergraduate program enrolled its first woman in 1985. Washington and Lee built new buildings to house its science departments as well …