UpdatedFri, Dec 18, 2020 at 1:46 pm ET Replies(27) Michigan high schools will be allowed to resume in-person instruction Jan. 18, according to a state order amended Friday by Gov. Gretchen Whitmer. However, the state's indoor dining ban has been extended. (Chip Somodevilla/Getty Images) MICHIGAN — Michigan high schools will be allowed to resume in-person instruction Jan. 18, according to a state order amended Friday by Gov. Gretchen Whitmer. However, the state's indoor dining ban has been extended. Michigan's ban on in-person dining will continue through Jan. 15, according to the order. But casinos, bowling alleys and stadiums will be among businesses allowed to reopen, granted with limitations.