What Are the M7 Business Schools?

The M7.

It’s the informal super elite group of seven private business schools generally considered to have the world's best MBA programs. If you’re in business, you know their names: Harvard, Stanford, Wharton, Kellogg, Booth, Columbia, and MIT Sloan.

https://poetsandquants.com/2015/01/05/the-m7-the-super-elite-business-schools-by-the-numbers/