there were many successful people who dont have a masters degree , the founder of microsoft , facebook , alibaba , and more it is not about what education background do you have it is the perserverance of you to achieve your goal.
You are not 100% correct. Bill Gates was educated in the Lakeside School, one of the best private preparatory schools in the United States. He was a National Merit Scholar when he graduated from Lakeside School in 1973. After that he enrolled in to Harvard, but didn't completed the course. The stories are very similar for Mark Zuckerberg and Jack Ma. These people have very solid educational background.