Dorothy Jean Tillman II participates in Arizona State University’s commencement, May 6, 2024, in Tempe, Ariz. Tillman, 18, earned her doctoral degree in integrated behavioral health in December at age 17 from the school. Tillman, of Chicago, began taking college courses at age 10. She earned her associate's, bachelor's and master's degrees before she turned 17. (Tillman Family via AP)