I read an article that rates the best places for teachers in America, and Minnesota ranked 3rd, based on 18 factors. This first article: http://bringmethenews.com/2014/10/06/minnesota-ranked-3rd-best-place-for-teachers-in-u-s/, just talks about how we are number 3, and how it differs from a different set of rankings.
Here is the link to the official ranking, which I found very interesting because it showed the different criteria and how they were ranked: http://wallethub.com/edu/best-and-worst-states-for-teachers/7159/, and here is the link to the “Top 5 Hot Spots for Teachers”: http://teaching.monster.com/careers/articles/3375-5-hot-spots-for-teaching-jobs-in-the-usa