The school did demonstrate the moral high ground.....they stuck by the rules.
Helping kids should be more important than any sin committed by a parent.
How do you want this kid helped? By the school telling her during Bible class that her "mommies" are in open sin? Yeah. That'll help. And this is a SCHOOL not a neighborhood outreach. What makes you think this kid would accept being told what the Bible says about her "mommies"? This, from the article, is what the kid thinks of the school enforcing their published rules: As for the school's leadership, "They should be embarrassed," Shay said.
You misunderstand what's going on here. This is a setup. The "mommies" and kid had a press conference in front of the school. Believers, all too often, cave to this kind of pressure. This school drew a line in the sand, as is their right.