Master Schedule

I have yodeck deployed across our school district (23+ campuses), and each school has there own schedule to turn the tv's on and off at the beginning and end of the day. I give the admin staff at each campus the ability to adjust their own schedule (sometimes they have after-hour events). Unfortunately there is no easy way to add district wide school breaks to the schedule (turn all tv's off) without having to go into each of the school's schedule. Would be nice to be able to have a district wide schedule that overrides all the individual school schedules.