Letting go of schoolish ways and conventional practices is hard! This particular list exists to help those who want to let go. Discussing how to combine school with free learning would hamper those the list is intended for.
If you have questions about free learning, you'll get answers here :-) If you want to figure out how to make free learning work with school, the answer you'll get is to drop school! (If you ask around enough, you're likely to find other ways besides school to help your kids become bilingual.) If you want to figure out how to teach your kids something in more relaxed ways, then eclectic homeschooling is more likely what you're looking for:
The foundation of unschooling is that kids learn what they need by following their interests, by parents feeding those interests (even when the interests look nothing like something they'd do in school like TV and video games and mud wrestling), and by parents running things that might interest them through their lives.
If that intrigues you, you can start reading here:
The question in your subject line delves into philosophy and semantics. The broad answer is that it depends how someone defines unschooling. If someone defines unschooling as learning outside of school, then everyone does that. ;-) If someone defines unschooling as the parent involved in the child's free exploration, then Guerilla Learning by Grace Llewellyn might by helpful:
and Sandra's page Public School on Your Own Terms:
But to help people let go of school, unschooling is defined here as full on unschooling. Anyone wanting less or to combine unschooling with something else, is welcome to take what will work for them from the list and figure out how to fit anything extra in on their own.
Joyce