Retirement is what many think about when they get older. However some, due to their lack of skills, are incapable of finding jobs with good retirement benefits. This could be remedied by better education and training that could, in turn, create more jobs in the world as well as create a better economy that would support the retirement of its hard-working cititzens.
No, an ideal education system is not a three-legged stool, because there is no perfect education system that will work for every child. It is important to remember that education happens in the real world. In some situations, parents are not willing or competent to be one of the legs of that stool. There need to be many options available for a variety of students.