Will Ivy League Schools take more than 1 from each school?

[Data10]

Actually, Harvard does look at the rank/class%, its at the top of its all-important evaluation form: Exact Rank: and % Rank:
https://www.wsj.com/articles/breakdown-of-the-harvard-admissions-process-1540287000

You are referencing the lawsuit data, whose data set starts ~10 years ago. During a portion of this period class rank was favored as part of the AI calculation. According to Harvard's CDS, they stopped considering rank more recently.