best rankings

ADPhi
Dsig
KA

Snu
Pike
Pikapp

ATO
SigEp
AEPi

DTD
SigChi
Chi Psi

SAE
DKE
Phi Delt

Grouped the fraternities into tiers of 3 (not every fraternity can be tier 1 or tier 2, need to draw the line somewhere.) Can make the case for the top of each tier to be the bottom of the tier above, instead, but this is how I chose to write it.

Discuss.