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Chicago teachers

Smaller, more subdued groups of teachers picket outside Morgan Park High School in Chicago, Monday, Sept. 17, 2012, as a strike by Chicago Teachers Union members heads into its second week. Mayor Rahm Emanuel said he will seek a court order to force the city's teachers back into the classroom. (AP Photo/M. Spencer Green)

Chicago teachers end strike

Chicago teachers

voted on Sept. 18 to suspend a seven-day strike in the nation's third-largest city, a

move that will send thousands of students back to classrooms.