regarding housing, this is from a 2011 CC post, whether it’s correct now I’ve no idea:
“Acacia, Rockledge, Sammy (to a lesser extent), AEPi, KDR, Zeta Psi, etc. are all nerdy frats. They have higher house GPAs and higher proportions of science/engineering majors than other frats”
Also, when I was there, there was a place called Seal and serpent that was like that.
You may have missed rush though, maybe contact somebody at these places.