I believe Minnesota is one of only about a half dozen states not participating in it. Must be a story behind this. This is yet another recent education story from NPR
About the author
Harry is a ferociously good natured eccentric in Duluth Minnesota who detests traitors dressed up as Uncle Sam. You can find somewhat better edited writings of his at the Duluth Reader "contributors." page. The URL is:https://duluthreader.com/contributors/h/84/284-harry-welty