So legacy status DOES help? Our D3 would be legacy. I really got the impression from the Grandma Harriet example (which I had read a few months ago) that legacy wasn’t a big deal to them. We’ve heard that from other alums as well, but then we also know fellow students whose kids have been admitted.
Here’s a recent thread that discusses the topic in more detail: http://talk.collegeconfidential.com/university-chicago/1886486-speculation-on-how-legacy-works-at-uchicago-p1.html