Originally Posted by HowlerKarma
Personally, I like the idea of saving this kind of material for when a parent is around to answer questions/concerns as they arise.

Me too.

In fact I think there's an upside to exposing them to the older content: you can be the one to answer questions and guide how they're influenced by it. On the other hand if you shelter them for too long and they get their exposure in the school yard, etc., you lose your influence.