Many also block instant messaging, cell phones, cell phone cameras, unfiltered Internet access, Wikipedia, and other potentially highly effective educational tools and technologies, to our kids' tremendous frustration.
As a parent, I cannot imagine a school that wouldn't filter the internet. My son might be exposed to porn. And while I'm at it, my child needs to have their phone put away. It will only serve as a distraction.
As a parent, I've been shopping for a laptop for my child, and I haven't seen any $100 laptops out there. If you could, would it have any usability for the current and future.