A study was conducted to determine whether college tuition increases in Arizona were placing a disproportionate burden on individuals at lower income levels. Statistical data from the 10-year census reports were analyzed to calculate tuition as a percentage of per capital income for the following groups: total population, White non-Hispanics, Black non-Hispanics, and Hispanics. Study findings included the following: (1) Hispanics were the only group whose per capita income grew below the rate of inflation; (2) non-Hispanic White income was 17.8% above the statewide average per capital income in 1989, while Black income was 26.3% below the average and Hispanic income was even lower at 45.2% below the average; (3) in 1989-90, the lowest tuition increased 150% and the highest increased 39.1%; (4) full-time tuition impacts the most on the lowest per capita income groups; (5) 38.1% of Arizona's adult population reported income loss, no income, or income less than $10,000; and (6) an adult who was a member of a minority group was significantly more likely to have earned less than $10,000 in 1989 than a non-minority person; Although tuition costs may seem small when reviewed on a yearly basis, the long-term impact on low-income groups is significant. (MAB)