Rock Island-Milan schools will keep hybrid mask policy, despite changing CDC guidelines The changes, recommending full-time masking in all schools, come just six days before the first day of school. Author: Shelby Kluver (WQAD) Updated: 11:28 PM CDT July 27, 2021 ROCK ISLAND, Ill. — The Rock Island-Milan School District says they will keep their hybrid mask policy in place, despite changing recommendations from the CDC and Illinois Department of Public Health (IDPH). On Tuesday, the CDC announced it was altering some of its masking guidelines after a surge in Covid-19 cases across the country. Now, masks are recommended when indoors, even for vaccinated people.