Usually people with better education are able to get better jobs,In other words,they have more chances to choose a good job while people with little or no education don't.It seems that the purpose of education is to make people get jobs.But it isn't true.
Some people may think that a person spends the best years of his life to get education only to make a living.This was probably one of reasons of education.In fact,if education is just a way of making a living,people don't need to spend so much time in school. If people just want to make a living,they can get a short-time education.Subjects like history and geography need not be taught to everyone.Even language and math need not be taught in detail(详细地),either.It is clear that education is much more than teaching a man to get a way of living.
Education is mainly for improving a man. It is not only to teach him to speak, read and write,but also to develop his other abilities.It can make him a wise man and enjoy the achievements of humans.Education is to make a man lead to a better life.Educated people are expected to be able to listen to good music,read good books,watch plays and,most of all,take an interest in the world.
I would agree that making a good living is an important reason for education,but certainly not the most important one.