The Australian | Headmaster warns parents to behave or face school ban The Australian A Sydney headmaster who has declared a tough stand against abusive and threatening parents has been backed by fellow principals, amid concern that a decline in civil behaviour is harming school communities. John Collier, the principal of St Andrew's ... St Andrew's Cathedral School principal Dr John Collier hits back at parents St Andrew's Cathedral School principal warns parents over aggression towards teachers Parents told to 'chill' after abusing teachers at elite Sydney private school |