Montgomery County, MD is swamp central filled with government employees and contractors. Many of the parents will gladly comply with the mask mandates.
The important thing is for any conservatives in blue areas and any conservative jurisdictions to resist this nonsense. There’s no doubt in my mind they’re planning a slow buildup to full Covid restrictions implemented in 2020 for the 2024 election cycle.
When I was living in Balitmore, long ago, we referred to the DC area as “the Great Cesspool.”