I really need to start doing this - although to be honest in SA I have heard of only two people within our basic homeschooling circle who have been "checked up on" (and this despite the fact that more than 95% of South African homeschoolers are not registered (long boring story).
And for activities etc there is such a huge focus on age here that I doubt anything I did or said or showed would prove much of a consideration.
I would do it more for future planning, when the boys want to start doing formalised courses.