OP, you might like to read this: http://www.huffingtonpost.com/l-jay-lemons/the-gold-standard-the-powerful-impact-of-residential_b_4633443.html?
I’m a Stanford alum and always sort of assumed my D would apply to Stanford SCEA. But after she visited Pomona in her junior year, she made it clear that Pomona was her number one choice, basically for the reasons outlined in that article. She was admitted to Pomona ED1 and we’re looking forward to being there on Monday for Admitted Students Day. Obviously you have two great choices and good luck in your decision.