The International Thespian Society (ITS), founded in 1929, is an honorary organization for high school and middle school theatre students located at more than 4,600 affiliated secondary schools across America and abroad. The mission of ITS is to honor student achievement in the theatre arts.

Eleanor Roosevelt High School's Troupe #2259 was originally chartered on August 17, 1993, and was reinstated and brought to life again in the spring of 2017.