Extrapolating the rapid exponential increases in college prices looking at some charts and data, it would indicate that by 2040 An average college degree would run 440K. How would this country have teachers? no one would go to college, go into debt for 440K to work on a teacher salary. Had to change numbers due to a mis calculation. 440K is a Public institution. 1.7 Million dollars would be the cost for a Private institution.