A gang of teenage girls urged a 15-year-old special needs student to flash her breasts and then filmed and shared the footage online.
The Wellington East Girls' College students pretended to befriend their schoolmate Holly Reed, who has Down syndrome, and encouraged her to perform tasks like licking the ground, reported Fairfax.
They then reportedly shared the footage on Snapchat and Facebook with captions such as "slag" and "yummy".
It breaks your heart seeing things like that
The images were shared among students for months before the school and her parents found out.