Photos: Chicago teachers on strike
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Credit: Getty Images
CHICAGO, IL - SEPTEMBER 13: Keri Krupp, a school social worker, pickets with other Chicago public school employees outside Burr Elementary School on September 13, 2012 in Chicago, Illinois. More than 26,000 teachers and support staff walked off of their jobs on September 10 after the Chicago Teachers Union failed to reach an agreement with the city on compensation, benefits and job security. With about 350,000 students, the Chicago school district is the third largest in the United States. (Photo by Scott Olson/Getty Images)
