The Chicago Teachers Union on Wednesday threatened to strike if no agreement is reached on a contract with Chicago Public Schools by Oct. 11.
Saying it's time to move contract talks along, union president Karen Lewis said teachers will "withhold our labor" if an agreement isn't reached to replace a contract that expired more than a year ago.
The union's approximately 25,000 members walked out in 2012 for 10 days and staged a one-day walkout in April.
Although a strike date has been set, teachers can opt to stay in the classroom if talks show progress. Lewis wouldn't say if the sides are close to an agreement.
Before the union announced its deadline,...