If you want the Canadian perspective, Kappa Alpha Theta has Canadian chapters at:
U of Alberta
U of Western Ontario
McGill
I have Theta friends from U of Alberta and UWO and they have good reputations...not too sure about McGill, but I think in general, the Greek system there is having a tough time, since McGill is an English university in a French city (Montreal).
Alas, their chapters at UBC (my Alma Mater), U of Guelph and U of Toronto are now closed.
I just thought I would point out this interesting fact that Kappa Alpha Theta was the first ever NPC to "set up shop" in Canada.
It was their chapter at University of Toronto, Sigma chapter which was established in 1887 and ran until 1941 .
Since that chapter is now closed, the oldest Canadian NPC chapter is Alpha Phi's Xi chapter, established in 1906, also at the University of Toronto.