That’s all fine and dandy until they misbehave and you can’t follow through by sending them to school on the weekend.

You could try to make up some other shit to cover for it, how school told them that the kid needs to do chores at home for those two days or something. With their system it’d make sense to have a plan for this situation.

Or you just enjoy it while it lasts and drop it when it fails

At some point the kid will talk to other kids and find out they don’t attend school on weekends either. Unless they hate school that much that they don’t socialize with other kids which would be worrying as well

Then it’s time to gaslight the kid