According to an article from WWMT, Portage Northern High School, North Middle School, Community High, and all Curious Kids Childcare programs on the Milham campus are closed Tuesday, November 12sth due to a threat. According to the a post by community relations manager Michelle Karpinski to the Portage Public Schools website:

In the overnight hours, Portage Public Schools received information about a threat to due harm to students at Northern High School. We are working with the authorities to determine the credibility of this threat. In the meantime we are choosing to use an abundance of caution and will be closing the entire Northern campus for the day while police continue to investigate. This includes Northern High School, North Middle School, Community High, and Curious Kids childcare on the Milham campus.