<p><a href=“http://www.dukechronicle.com/articles/2013/11/18/duke-hackathon-attracts-more-500-students-work-real-world-projects”>http://www.dukechronicle.com/articles/2013/11/18/duke-hackathon-attracts-more-500-students-work-real-world-projects</a>
<a href=“http://bizjournals.com/sanjose/news/2013/12/17/the-top-10-colleges-that-fuel-the.html?page=2&r=full”>http://bizjournals.com/sanjose/news/2013/12/17/the-top-10-colleges-that-fuel-the.html?page=2&r=full</a></p>
<p>I’m assuming your son is intending to major in computer engineering if he got accepted to Pratt. Computer science is in Trinity. Duke offers a great environment in that discipline and all the top companies recruit from Duke. In fact, despite Berkeley being in the Bay Area, Duke still ranked higher at “fueling” Silicon Valley (#5 in the nation, see above). Duke students go into tech startups and the giants in droves and Duke really fosters a very big entrepreneural spirit, having competitions and giving plenty of research opportunities to students. I can almost guarantee that Duke CE undergrads conduct research with faculty at a larger participation rate than they do at Berkeley (with Berkeley being so much larger and more grad student focused; 90% of Pratt undergrads are involved in research by the time they graduate). </p>
<p>Faculty, facilities, and students are all top notch in a tight knit rewarding community at Duke, so there should be no worries there. Duke regularly performs among the best in the world in world programming competitions and has events on campus like the recent "hackathon for good. " Clearly, Berkeley is well known in the discipline and would also be an excellent choice. However, I don’t think you’ll be sacrificing much by going to Duke either. They will offer different experiences. Admittedly, I’m biased… 
People I know have known in the major have gone on to achieve great things and Duke served as the springboard. Duke likely will offer a more intimate and diverse experience and probably a broader and more open curriculum too. Both great choices though and can’t go wrong either way. Must be proud - Good luck!</p>