I think it’s already published. Go to GoCPS under high school, resources, and look at the Tier Process document. It has links to the new Tiers documents.
Enter any address at the link below or go to the Overlays tab in the upper right of https://schoolinfo.cps.edu/schoollocator/index.html and click on CPS Tiers. They have been updated with the note: “Valid for the application process during the 2019-2020 School Year”