<p>I would say all these schools have strong nanotechnology programs. Academic prestige is the least of your worries with regards to this decision.</p>
<p>SOCIAL LIFE
- Duke
- Penn
- Northwestern</p>
<p>WEATHER
- Duke
- Penn
- Northwestern</p>
<p>NATIONAL PRESTIGE
- Duke=Penn
- NU</p>
<p>And so on.</p>
<p>Make lists like these. I think the difference in prestige between Northwestern and Duke is too large for you to give up Duke.</p>