MSN.com reports that, "Research has shown that predictability and a sense of security are incredibly important to children, meaning schedules are just one tool that parents can use to help them feel safe." They also said, "The unknown and not knowing what’s coming next could also cause fear and anxiety for children so it’s important to create normalcy since a lot of aspects of current life aren’t normal."
I know for certain that my kids thrive on a schedule. During distance learning today they referred to their school schedules many times and watched the clock intently.
Remember that if you are stressed that your kids pick up on it.
See this article from MSN.com for a great sample schedule.