According to this groundbreaking study by Luminosity, Yalies are Top 5 in smarts:
http://blog.lumosity.com/wp-content/...t-Colleges.pdf
Pretty good, but I wouldn't try to play Jeopardy against your MIT friends.
Yalies were ranked #1 in "flexibility", however. (Which may shed some light on Yale's reputation as the "Gay Ivy".)
And, folks, the data confirms it: when around Princeton friends, speak slowly and stick to simple topics.