High school dropout at 15. Community college at 22. Now, he’s Princeton-bound. How?

From The Charlotte Observer: [Christopher St. Hilaire] just learned that Princeton University — one of America’s oldest and most prestigious institutions, an Ivy League school with an acceptance rate of less than 6 percent — was giving him the opportunity to join its class of 2022 as a 25-year-old junior. When he begins the fall semester, this former high school dropout will be among an elite group of 13 students who were invited to transfer to Princeton from community colleges across the country (out of 905 who applied), and he’ll attend free of any financial burden.
https://www.charlotteobserver.com/news/local/education/article242834461.html