I would simply teach them my basic philosophy about financial freedom. And assure that they learn about what is of interest to them. A second language can be helpful depending on where you live. I don't really care about economics myself. Economics is based on macro levels and has little or nothing to do with personal finance. However I would teach them about money of course. :)
Most importantly I would learn them about success in their personal lives, based on their own values, not on pre-scribed values dictated by society.