Union members have been in contract talks for a year at the school that’s home to about 470 elementary students.
Teachers at the Passages Charter School in Edgewater have set a strike date for May 25.
State Rep. Will Guzzardi, D-Chicago, wants to link charter-school expansion to a school district’s ability to pay for them.
Ironically, most of those loyal supporters still seem to think that Trump and congressional Republicans are looking out for them.
In February, the union had voted overwhelmingly to authorize a strike.
Letters of intent were due Friday but weren’t mandatory, so more charter school operators still could submit applications for more schools.