<p>Funny I did a very similar thing. My safety was Michigan (I was accepted in september) so that took all the weight off of my shoulders. Then, similarly I used NU as a backup match. I think you're probably fine, but from personal experience I would add a couple schools to hedge the bet (Duke, Brown, Amherst, or Stanford perhaps?) You never know.</p>
<p>As long as the OP is fine with UMichigan, his list his fine. He's in-state so he's basically guaranteed it.</p>