Yahoo Finance

You don't necessarily need a college degree to be successful -- Bill Gates and Mark Zuckerberg are among the list of college dropouts that have gone on to become billionaires. But they're more the exception than the rule. In fact, many of the world's billionaires went to the same handful of colleges.

Discover: See the Full List of Money's Most Influential and More

Forbes examined the schools attended by the individuals on its annual World's Billionaire List to determine which colleges produced the most billionaire alumni -- and these are the 11 colleges that boast the most.

Last updated: May 19, 2021

9. (Tie) Columbia University

• Number of billionaire alumni: 11

Located in New York City, the Ivy League university’s two wealthiest alumni are Robert Kraft, owner of the NFL’s New England Patriots, and Rocco Commisso, the founder of cable company Mediacom, Forbes reported.

Find Out More: Don't Miss Out on Nominating Your Favorite Small Business To Be Featured on GOBankingRates -- Ends May 31

9. (Tie) Princeton University

• Number of billionaire alumni: 11

Alumni of the New Jersey-based Ivy League school include Amazon founder Jeff Bezos and his ex-wife MacKenzie Scott -- who are worth a combined $230 billion -- and former Google CEO Eric Schmidt.

Discover: All You Need To Know About the Economy and Your Money

9. (Tie) University of California, Berkeley

• Number of billionaire alumni: 11

Located in Berkeley, California, this public university's billionaire alumni include DoorDash CEO Tony Xu and Intel co-founder Gordon Moore.

Find Out: Just How Rich Are Donald Trump, President Joe Biden and These Other Big Names?

8. Massachusetts Institute of Technology

• Number of billionaire alumni: 14

Koch Industries CEO Charles Koch and his brother William Koch both attended this Cambridge, Massachusetts university. Other billionaire alumni include Jim Simons, who founded the hedge fund Renaissance Technologies, and Dropbox co-founder and CEO Drew Houston.

Read: 3 Alarming Ways Women Are Lagging Behind Men When It Comes to Their Finances

7. University of Southern California

• Number of billionaire alumni: 15

"Star Wars" creator George Lucas and Salesforce CEO Marc Benioff are among the billionaire alumni who attended Los Angeles's University of Southern California.

See More: These Billionaires Got Richer During The Pandemic

6. Cornell University

• Number of billionaire alumni: 18

Billionaire graduates of this Ivy League school -- located in Ithaca, New York -- include former Citigroup head Sandy Weill, who is the namesake of the university’s medical school, and private equity heavyweight Robert F. Smith, who lends his name to the chemical engineering school.