According to the Detroit Free Press, the state of Michigan is in desperate need for substitute teachers. In fact, you may have seen the billboards put up by EDUStaff. The company provides staffing, including substitute teachers, to more than 300 school districts throughout Michigan. They've put up about 40 billboards on Michigan highways in hopes of enticing people to become a substitute teacher.

In some school districts, the daily rate for substitutes who take on long-term assignments and retirees who return to sub has been increased from the standard $90 a day to $110 a day. Michigan law requires substitute teachers to have completed 90 college credit hours. However, a lot of districts go beyond those requirements, opting only to take on people with a teaching certificate. Read more here.