Detroit Public Schools is facing a teacher shortage because of several midyear retirements and resignations. In early November, there were at least 170 teaching vacancies. DPS says the number was reduced to 135 by reorganizing some teaching assignments based on enrollment numbers from the fall student count day. The shortage pushed other academic staff into teaching roles. About 115 substitutes have been assigned to fill empty spots. Additionally, teachers are facing a spike in health care costs and heightened uncertainty about the future of the district itself. Gov. Rick Snyder proposed sweeping education reforms, but those factors along with stagnant pay are compelling more teachers to retire.