A Westlake Boys High School teacher has been reprimanded after allegedly calling students "idiots with rich parents".
The teacher had been accused of telling students to go back to their own country.
There were also suggestions that European students had punched a Chinese boy and that video footage had been shared on Chinese social media platform: WeChat.
Headmaster David Ferguson told the Herald he was aware of the incident involving a member of his staff.
The school was also aware of the video.