CHICAGO _ Chicago Teachers Union members have approved a strike, the union said days before its leaders could set an actual walkout date.
The CTU did not disclose the total number of signatures collected after it spent three days distributing petitions to members last week.
Instead, the union announced Monday that about 90.6 of its members voted and that about 95 percent of those voters supported a strike.
State law requires at least 75 percent of CTU members authorize a strike.
Negotiations on a new contract continue. A walkout could not occur until at least 10 days after a date is set. The strike date also could be set further down the road. And the union could opt not to strike if negotiations show progress by the time the date arrives.
Union leaders have declined to discuss what exact steps the union could take when its House of Delegates meets Wednesday.
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