Alba Public Schools issued the following announcement on Aug 30.
On Friday, August 27, 2021 late in the day, the Health Department of Northwest Michigan notified area schools that they were going to require all school districts to have students and adults masked as a safeguard against COVID-19 while at school.
Despite the districts original desire to remain unmasked for the 2021-2022 school year, we must comply with the order from the NWMHD and will be requiring all students, staff and visitors to be masked when school starts on Tuesday, August 31, 2021.
i apologize for this late notification and change in plans.
Original source can be found here.