The announcement came as the Chicago Teachers Union told their members not to return to their classrooms on Monday.
Chicago teachers are voting on a measure to allow all union members to only work remotely.
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They held teach-outs at schools across the city Thursday morning to make their point.
K-8 teachers are expected to report in-person on Monday, the same day educators are eligible to get the vaccine.
The teachers union hired a medical consultant who said in-person classes should not resume.
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CPS said the city's top doctor maintains returning to school is safe.
School officials warned that a vote in favor of the measure would constitute as an illegal strike.
However, the teachers union said they are still showing up for work, just not inside the classroom.