By the numbers

Sources: National Bureau of Economic Research, National Center for Education Information, Education Research International, Partnership for Learning, ING Foundation, National Education Association, William & Mary School of Education, National Center for Education Statistics, National Endowment for Financial Education, Occupational Outlook Handbook, Teach.com, Bureau of Labor Statistics, Tennessee Department of Labor and Workforce Development, Tennessee Education Association, Appalachia Regional Comprehensive Center, Business InsiderĀ