This has suddenly been coming up a lot in our lives from younger kids (ages 5 to 10ish). I've been answering back with something like "by being out in the world.... you've learned stuff this summer while you're on vacation, right? You can learn in lots of different places and ways"
But I'm sort of looking for a variety of more diplomatic answer that totally respects school (which, deep down, I believe is not such a good option, especially 40 hours a week for little, little kids which is the norm here). Homeschooling is pretty uncommon where we are and so it really isn't on people's radar and seems to come across as crazy to a lot of kids.
What do you say? Especially if it gets specifically into unschooling?