I think it also depends on the kids. After about grade 4 my parents were mostly hands off with our schooling. We followed the program and phoned or emailed the teacher when we had questions. Our parents just made sure we were working. Some years we had trouble with that and got behind and had to work through the summer holidays.

Buy some kids just won’t work if you’re not right behind them every day making sure they work. Others would struggle with direction in that kind of environment.

My brother tried to homeschool his kids, but it didn’t work out.