Keep scrolling down for answers and more stats ...
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City
Universities
4
Los Angeles
[4] California Institute of Technology [15] University of California, Los Angeles [53] University of Southern California [98] University of California Irvine
4
London
[11] Imperial College London [16] University College London [27] London School of Economics and Political Science [35] King's College London
3
Boston
[3] Harvard University [5] Massachusetts Institute of Technology [54] Boston University
3
Hong Kong
[39] University of Hong Kong [56] Hong Kong University of Science and Technology [56] Chinese University of Hong Kong
3
Paris
[46] PSL Research University Paris [87] École Polytechnique [87] Sorbonne University
3
Rotterdam-The Hague
[70] Leiden University [72] Erasmus University Rotterdam [78] Delft University of Technology
2
San Francisco
[2] Stanford University [7] University of California, Berkeley
2
Chicago
[10] University of Chicago [24] Northwestern University
2
Washington-Baltimore
[12] Johns Hopkins University [90] University of Maryland, College Park
2
Zurich
[14] ETH Zurich [73] University of Zurich
2
New York
[17] Columbia University [26] New York University
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City
Universities
2
Toronto-Hamilton
[18] University of Toronto [69] McMaster University
2
Beijing
[20] Tsinghua University [23] Peking University
2
Raleigh
[20] Duke University [56] University of North Carolina at Chapel Hill
2
Singapore
[25] National University of Singapore [47] Nanyang Technological University, Singapore
2
Melbourne
[31] University of Melbourne [64] Monash University
2
Munich
[32] LMU Munich [41] Technical University of Munich
2
Atlanta
[38] Georgia Institute of Technology [85] Emory University
2
Montreal
[40] McGill University [73] University of Montreal
2
Sydney
[51] University of Sydney [67] University of New South Wales
2
Shanghai
[70] Fudan University [100] Shanghai Jiaotong University
2
Berlin
[75] Charité - Universitätsmedizin Berlin [80] Humboldt University of Berlin
Interesting quiz. Where does Princeton fit in? Should it be included with the New York area schools? Or is it part of the Philadelphia area and together with University of Pennsylvania, put Philadelphia in this list? Or is Princeton in neither metro area?