Charles Turner — High School Business in San Francisco

While most of his contemporaries were still struggling with their schoolwork, Charles Turner was demonstrating his entrepreneurial spirit while still in high school in San Francisco. Alongside his best friend, he started a muscle car parts business when he was 15. His venture proved to be extremely successful, allowing him to achieve financial independence by the age of 17 and placing him in a position where he could explore other business opportunities, such as his burgeoning interest in real estate.