Us news rankings from 1989, Upenn升的最多

Change over time:
Yale: #1 -> #3 (-2)
Princeton: #2 -> #1 (+1)
Harvard: #3 -> #3 (=)
Caltech: #4 -> #9 (-5)
Duke: #5 -> #10 (-5)
Stanford: #6 -> #3 (+3)
MIT: #7 -> #2 (+5)
Dartmouth: #8 -> #12 (-4)
UChicago: #9 -> #6 (+3)
Rice: #10 -> #15 (-5)
Cornell: #11 -> #17 (-6)
Columbia: #11 -> #18 (-7)
UC Berkeley: #13 -> #20 (-7)
JHU: #14 -> #7 (+7)
Brown: #15 -> #13 (+2)
UCLA: #16 -> #20 (-4)
UMich: #17 -> #25 (-8)
UNC Chapel Hill: #18 -> #29 (-11)
Northwestern: #19 -> #10 (+9)
UPenn: #20 -> #7 (+13)
UVA: #21 -> #25 (-4)
WashU: #22 -> #15 (+7)
Notre Dame: #23 -> #18 (+5)
Vanderbilt: #24 -> #13 (+11)
Georgetown: #25 -> #22 (+3)

Biggest rise was UPenn
Biggest fall was UNC Chapel Hill