No. 3: Westminster School, United Kingdom
This London school is one of the most renowned international day and boarding schools. Most of its graduates end up in prestigious universities, such as Cambridge or Oxford. The roots of the Westminster boarding school can be traced as far back as one thousand years. Numerous public figures have attended the school, and its most famous alumni include musicians Gavin Rossdale and Dido, actor Peter Ustinov, or composer Andrew Lloyd Weber.
