I realize that there are plenty of factors that contribute to this, but in terms of lifetime winning pcts here are the worst 3 Big 6 schools in Tark & Knight, I can't see the other worlds would love for someone to post the data for those:
Tark
1)Purdue .406, 2) Hawaii .408, 3) Seton Hall .417
Knight
1) St John's .399, 2) Auburn .431, 3) Baylor .436 Hawaii is .449 and is 6th worst (also ahead of Georgia & Georgia Tech)