A program that loads and parses some CSV data: Earnings and Education.
Stock and Watson (2007) provide several subsets created from March Current Population Surveys (CPS) with data on the relationship of earnings and education over several year.
Stock, J.H. and Watson, M.W. (2007). Introduction to Econometrics, 2nd ed. Boston: Addison Wesley.
Original data source: https://rdrr.io/cran/AER/man/CPSSW.html
age: age in years.
gender: factor indicating gender.
earnings: average hourly earnings (sum of annual pretax wages, salaries, tips, and bonuses, divided by the number of hours worked annually).
education: number of years of education.