1

Institute of Education, University of London

2

The University of Melbourne

3

Harvard University

4

University of Cambridge

5

Stanford University

6

Monash University

7

University of Oxford

8

The University of Sydney

9

University of Toronto

10

The University of Queensland

11

Columbia University

12

University of California, Berkeley (UCB)

13

University of California, Los Angeles (UCLA)

14

Nanyang Technological University (NTU)

15

University of Wisconsin-Madison

16

University of Hong Kong

17

University of Illinois at Urbana-Champaign

18

University of Edinburgh

19

King's College London (KCL)

20

University of Michigan