Originally Posted by aeh
Try the College Board search site. They list (if I recall correctly), the 10th, 25th, 50th, 75th, and 90th percentiles of accepted scores. Not true minima, but it does give you a pretty good idea of the range.
If you are white or Asian, and your parents are highly educated, and you attend a school with high average scores, and you are not a recruited athlete, and you are not a legacy, I think the effective minimum SAT and ACT scores are higher -- the question is by how much.

It would be interesting to fit a logistic regression model of admissions decisions using GPA, test scores, and the above variables. The schools could do such analyses, and maybe they have, but they will certainly not publish them.