This is going to sound like a cop out, but I think you need to figure out what makes you happy. I can give you a clue…it’s not about the school you go to.
Beyond that, pick the one that you think you’d enjoy most that will unlock the most opportunity for what you want out of a career. Those might be at odds with one and other.
Also, you still haven’t addressed why you signed with Wash U. That’s important context for anyone to advise you.