Martinez defends repeal of CPS mask mandate Ryan Voyles 3 years ago The head of Chicago Public Schools on Tuesday defended the district's decision to lift their mask mandate next week, adding they could reinstate it in the future if COVID-19 cases spike again.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.