Iowa’s IHSAA released their plan today. See link below. In a nutshell, start regular date, end regular date but 7 game regular season instead of 9 and everyone in playoffs. Thus no one punished for missed games if have to cancel due to covid on team during season.
https://www.iahsaa.org/football-2020-revised-schedule/
https://www.iahsaa.org/football-2020-revised-schedule/