A fight outside Collie Senior High School saw a victim punched to the ground and her hair extensions ripped out.
The accused appeared in Collie Magistrates Court on August 20 for a pre-sentence report and was not required to enter a plea.
The fight happened at 3pm on Friday May 30 on Patterson Street opposite the high school.
According to police records a verbal argument had taken place during the day which had not been resolved so the accused decided to attack her victim.
She grabbed the victim's hair pulling her to the ground where she repeatedly punched her.
A video recording of the fight was shown to the magistrate in court.
Police records also state the victim was wearing hair extensions and when the accused pulled her hair she ripped the extensions out with a layer of skin.
The vicim also received a swollen left cheek and grazed knees.
When the accused was asked by police officers why she attacked her victim she said "I hate being called a s**t when I don't even dress like one."
