There is validity in the idea that off campus speech on social media can interfere with on campus activities, but I think the slope is far to slippery to allow the government (yes public schools are the government) to extend to all students and all times because social media posts can disrupt the learning environments. Kids already check their constitutional rights at the door of the school, and they can regulate the…
A lot of public schools in the US are miserable places with dumb and often hostile adults. I agree that they are the ones bullying the student here - I hope the school loses.