@MWolf, Oops, yeah, it was your comment.
USC, Harvard and Stanford have very similar demographics when it comes to family incomes of students.
https://www.nytimes.com/interactive/projects/college-mobility/university-of-southern-california
https://www.nytimes.com/interactive/projects/college-mobility/harvard-university
https://www.nytimes.com/interactive/projects/college-mobility/stanford-university