Sounds like this is a good case to shift class starting times to earlier in the morning, at least during the darker months. It would be a health benefit to allow children to sleep in longer anyway. And changing school start times is a lot less disruptive than changing the clock itself.

https://www.sleepfoundation.org/school-and-sleep/later-schoo...

https://www.psychologytoday.com/us/blog/evidence-based-livin...

https://www.washingtonpost.com/health/teenage-sleep-remote-l...