International University

Humboldt University of Berlin

The University of Sydney

Photograph by Getty Images

A mid-morning full of activity for students at the University of Auckland

Photograph by Getty Images

Amherst College, MA

Students at the National University of Singapore

University of Hong Kong

A part of the University of Toronto campus

Oxford city centre

Photograph by Getty Images

Wharton School of Business, University of Pennsylvania

Photograph by AP

The Massachusetts Institute of Technology