S+ tier:
Princeton, Stanford, MIT, Harvard, Caltech, Yale
Biology (med related): JHU
CS: CMU and UC Berkeley
Buisness: wharton
S:
Duke, JHU, Northwestern, UPenn, UChicago
STEM: UC Berkeley, Cornell
CS/Engineering: Cambridge, Imperial
Finance: LSE, NYU
Politics: Georgetown
A:
Cambridge, Oxford, Cornell, UC Berkeley, Brown, Columbia, Dartmouth, UCLA,
Finance: UT Austin, UVA, UMich, CMU
CS/engineering: UIUC, Georgia tech
Med: HKU
B+:
Imperial, Rice, Vandy, Notre Dame, CMU, Georgetown, Umich, USC, Emory, WashU, ETH, UCL, St. Andrews, Edinburgh, NUS, University of Tokyo, NTU
CS/Engineering: UCSD, Waterloo, UMD
B:
UVA, UNC, UT Austin, NYU, UCSD, UCI, UIUC, BC, Tufts, Tsinghua University, Beijing University, HKU, TUM, École
C:
UCD, UF, BU, PSL, KCL, Ohio State, UMD ~