While other topics such as sex-ed, is?
It is not up to the schools to teach.
-School system may not have the labor force skilled to teach-Parents may not understand finance (that is biased, no need to have a masters for it) and cannot force schools to teach. Earn to save your money that is all. I am a parent and I am cultivating the approach to give original value to each money earned-Legislation may or not put the sense of importance to enforce schools to teach, therefore, just think how world economies are now.
... all is related