>>The school one of the kids in my family attends cut the sex ed for the Special Ed classes, because they assumed it wouldn't be needed.<<

Would it help if I tried to dig up some online resources, re: consent, birth control, whatever?

Disclamer: I'm not certain what level of language processing is implied by nonverbal, so I can't say if anything I pull up will be useful in it's original form...or at all for that matter.

>>I imagine the Lacuna has a number of people who also missed these bottom rungs and need to kludge a solution.<<

Some kind of mediator, I guess.

>>Child: cackles like a tiny madman...<<

This is adorable, hilarious, and probably a good way to get kids to eat vegetables.