 Del Valle was the Vice-Chairman of the Education Committee, Co-Chairman of the Senate Select Committee on Education Funding Reform and the Illinois Legislative Latino Caucus.He also served on the Senate Executive Committee, the Senate Labor Committee, and the Higher Education Committee.In the 2006 Illinois primary elections, Del Valle received local media attention for his support of Ramon Ocasio III for judge over the Cook County Democratic Party-endorsed candidate, Ed Lechowicz, son of former Cook County Commissioner and Illinois State Senator Ted Lechowicz.