I dont think you need to take your kids for a personal finance course. All you need is to be financially responsible, to plan for yourself and plan for then and then act that way. Your kids will quickly pick up. If you draw a shopping list, and ask them to do the same; and then knock off a few items at the bottom of the list, they quickly learn and pick lessons from you, more than they would from a class.
The laudable is more often than not rendered laughable by overclaim