[Low C Sharp]

the more selective schools (even in the South) tend to have very diverse Greek systems, which indicates to me at least that the rush isn't as cutthroat.

If you could quantify admissions selectivity and add it to rush cutthroatedness, my guess is that Duke would have the highest sum. It's a long way from Bama in terms of rush stakes, though.
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Laguna Heights Condominium Wong Amat