[Toy Soldier]

Some kids at 11 are developmentally ready to learn about things like this - others won't be ready. Either just won't understand, or will be scared by it. So... the only answer is to keep it out of schools and allow parents to decide what their children are ready to learn about. I don't believe in "age appropriate" as a number... all 5 year olds, 11 year olds, 15 year olds are at different stages. Of course, that's a flaw with the school system all-round.

They could teach about assault in general though - that people hurting you, or getting in your personal space when you don't want them to, in ANY context is "not OK" and you can tell them to back off, and if someone hurts you in any way then you should always tell someone that you trust. That pretty much covers it without even having to mention sexual assault or rape at all. It's an assault, and if you teach that ANY assault is wrong, then that should be enough.