AFSCME 3299 has a labor dispute with the school, and Democrats don't want to be on the wrong side of unions.
The four-year investigation has resulted in charges against a dozen individuals for illegal payouts to union officials.
More than 300,000 students missed days of classes, but they will be made up at the end of the school year under the terms of the deal.
James Hoffa has been a vocal supporter of Trump's trade moves but says the president hasn't delivered for union members.
The standoff between Mayor Lori Lightfoot and the Chicago Teachers Union has resulted in an eighth day of striking, the city's longest in over 30 years.
The work stoppage lasted 40 days and was the longest the auto industry had seen in two decades.
About 25,000 teachers are on strike in the Windy City — and negotiations are fraught.
"Roy A. McCombs tragically lost his life today on a picket line standing up for a better life for himself and his coworkers," the union said.
"Teachers just wanna have funds."
They will be building on a wave of teacher of activism that they helped set off in 2012.
A union council still needs to approve it in order to bring a painful work stoppage to a close.
The union will be covering the cost of COBRA during the lapse.
The auto industry hasn't seen a United Auto Workers walkout like this in years.
The union and the automaker failed to come to an agreement on a new four-year collective bargaining deal.
Projects that raise money on the site fear they will lose funders who want nothing to do with Kickstarter.