1) The US has high income inequality, with the top 1% earning 40% of income and the bottom 90% seeing little growth from 1966-2011. Higher education contributes to this gap, as 55% of top earners have degrees vs only 8% of bottom earners.
2) Education leads to higher lifetime earnings - $1.1M without HS diploma, $1.8M with associate's, $2.8M with master's. As jobs require more skills, education becomes more important for income.
3) To address inequality, more financial aid is needed for lower-income students to access higher education and higher-paying careers. However, current aid mostly benefits wealthy students