(A Council of Educators / Twitter)

Had ASPIRA teachers gone through with their threat to go on strike March 17, it would have been the first labor stoppage for charter teachers in U.S. history.

(Christine Geovanis / Flickr)

If progress isn't made over the next 10 days in ongoing labor negotiations, educators in a small Chicago charter school network say they will walk off the job in what would be the nation’s first charter teachers strike.

(A Council of Educators / Twitter)

The ASPIRA teachers union issued a near-unanimous vote Wednesday evening in favor of walking off the job in what would be the nation’s first-ever charter school teachers strike.

(A Council of Educators / Twitter)

Teachers in the ASPIRA charter network – comprised of three Chicago high schools and one middle school – say they will vote on a strike Wednesday night after months of contract negotiations.