The households and demographics featuring the highest educational attainment in the United States are also among those with the highest household income and wealth. Thus, while the population of the U.S. is becoming increasingly educated on all levels, a direct link between income and educational attainment remains. Government figures exist for education spending in the United States per student, and by state. They show a very wide range of expenditures and a steady increase in per-pupil funding since 2011. A 2010 study indicates that the return on investment for graduating from the top 1000 colleges exceeds 4% over a high…