<p>Over half of the undergrad students at UC Berkeley are involved with research, mostly collaborative works with grad students, full-time researchers and faculty. UC Berkeley is a powerhouse for research and is known world-wide for that. I surmise the ff schools are almost the same:</p>
<p>MIT
Stanford
Caltech
Harvard
Hopkins
Northwestern
Michigan
UPenn
CMU
Georgia Tech</p>
<p>and to some extent,</p>
<p>Brown
Duke
Chicago
Columbia
UCLA
Rice
UCSD
and
NYU</p>