To some extent this is true, since those with the better education do earn more money. Education by itself will not solve problems of poverty. Thus, our schools developed into a source of division of the working classes. Education is a method for economic development. An educated workforce may be attractive to some employers, but job oriented economic development policies are more important.
Education is for job training.
However, educational systems should provide the skills needed for a person to be able to adapt to a changing environment. Education should enable a person to contribute to a democratic society. Corporations are too influential in the educational systems. Schools exist to promote the public welfare. Corporations exist to make a profit for some stockholders.