Chicago city schools will be closed at least one more day as teachers and the school district negotiate a new contract.
The Chicago Teachers Union expressed optimism Thursday that the days-long strike may soon end.
Thousands of public school teachers went on strike Monday over the city's demand for tougher teacher evaluations.
After late night talks Wednesday, Chicago Teachers Union President Karen Lewis announced the system's offer on teacher evaluations had improved. She is hopeful that classes will resume Monday.
"We still have some major stuff we have to look at," she said Thursday. "Doing something fast is not the way to go. Haste makes waste."
Michelle Gunderson, an elementary school teacher demonstrating on Chicago's North Side, was optimistic a deal would be reached.
"I know that we will have a good resolution to this, and I do believe it will be soon," she said. "And they do not mean to have us be embroiled in this for longer than we have to."
Meanwhile, churches across the city have been opening their doors to help the children of the city.
Armitage Baptist Church is one of the churches providing free schooling and meals for kids affected by the strike.
"They were all identified by grade. We were ready to go with every grade -- K up through 12 -- and then assigned and grouped and taken to their class areas," Armitage Pastor Charles Lyons told CBN News.
"We went around the community and just asked restaurants - 'Look, this is what we're doing. Would you guys be interested in donating?" he said. "So everyday we've had a different restaurant feed our kids."
Some 350,000 students have been out of class since the strike.