No college degree? No problem! Some of the richest people in the world were college dropouts or even high school dropouts. Based on Forbes' list of the world's billionaires, here's the top 10 richest individuals who dropped out of school or never attended college. 1) Bill Gates Net Worth: $92.5 Billion Source of Wealth: Microsoft Dropped out of Harvard University 2) Mark Zuckerberg Net Worth: $74.4 Billion Source of Wealth: Facebook Dropped out of Harvard University 3) Larry Ellison Net Worth: $54.2 Billion Source of Wealth: Oracle, software Dropped out of University of Chicago and University of Illinois 4) Sheldon Adelson Net Worth: $42.3 Billion Source of Wealth: Las Vegas Sands, Casinos Dropped out of City College of New York 5) Francois Pinault Net Worth: $32.8 Billion Source of Wealth: Luxury Goods Dropped out of high school 6) Li Ka-Shing Net Worth: $32.6 Billion Source of Wealth: CK Hutchinson Holdings Dropped out of high school 7) Michael Dell Net Worth: $23.6 Billion Source of Wealth: Dell Computers Dropped out of University of Texas at Austin 8) Thomas Peterffy Net Worth: $21.6 Billion Source of Wealth: Discount Brokerage Dropped out of New York University 9) Paul Allen Net Worth: $20 Billion Source of Wealth: Microsoft and Investments Dropped out of Washington State University 10) Harold Hamm Net Worth: $18.9 Billion Source of Wealth: Oil and Gas High School Diploma Feeling inspired? Check out Salary.com’s article on the top 5 fast-growing, high-paying jobs that don’t require a college degree.