You’re missing the point entirely. Even if this is a case of religious upbringing, it’s far from the first to land in court. When separated parents of different faiths can’t agree on religious issues, sometimes the only redress can be found in court.
YOU’RE missing the point He agreed to homeschool her initially. And now he’s changed his mind.
Therefore, obviously, her *social life* wasn’t a concern then. He’s not worried about the quality of her education, because that wasn’t what was even brought up, and that’s supposed to be the whole point of sending kids to school in the first place, isn’t it?
I’d lay money on it that it was AFTER the divorce and he’s using this as a weapon against the mother.