The Intercollegiate Socialist Society (ISS) was a socialist student organization active from 1905 to 1921. It attracted many prominent intellectuals and writers and acted as an unofficial student wing of the Socialist Party of America. The Society sponsored lecture tours, magazines, seminars and discussion circles all over the US to propagate socialist ideas among America's college population. The group expanded into a philosophy in the 1920s that did not focus exclusively or even primarily on college students. To symbolize the shift in emphasis, the group changed its name to the League for Industrial Democracy in 1921.