Point being she should not be denied an education.
She isn't, she is denying herself an education:
"She was asked to go home and change her hair on opening day of school this year," House said. "She is welcome back any time when she changes her hair. She's chosen not to come back. We say, as a student she left campus, went home and chose not to return."
I broke the dress code deliberately when I was student, got sent home, too. But I put on more acceptable clothes and they let me back later the same day. Much like I was, she's just doing this for attention.
This 'non-conformity' BS is only deliberate defiance and deviance wrapped in the veneer of 'individuality' and 'free expression'. I know, I was HEAVY into non-conformity stuff when I was 14 or 15; punk bands, piercings, tattoos (long before they became 'fashionable'), and all.
God I was an idiot. I guess it was cool at the time....or at least I thought I was cool. Being cool and merely thinking you're cool are often divergent things.