I'm obviously a terrible parent. My 10 year old gets unfiltered access to the Internet, with no technical restrictions, and she is responsible for moderating her time spent playing and browsing. She knows what is and isn't allowed and knows I have sorcerer-like powers to verify (viewing logs). We treat her like a human being with agency, we provide boundaries and guidance, and and don't rely on technical crutches and tools. She knows there are zero strikes. She 100% knows if she abuses this trust and responsibility, she'll be in a world of shit. She also knows that she needs to consciously strike a balance between fun time and school because we expect perfection at school. She gets anything besides straight A's in school, and the hammer comes down. Hasn't had to happen yet.