'Mother's worst nightmare': Bullied Perth teen speaks out after shocking harassment

A 13 year old Perth girl has been punched, kicked and told her home will be burnt down in a severe case of bullying that has been going on for years.

The teenager was attacked again on Sunday while waiting for a bus in the southern suburb of Kwinana.

She was knocked to the ground and punched 10 times in the head.

That was the final straw for Tia Coker William.

She has decided to speak out against the scourge of bullying after spending her first day of school holidays at the Kwinana police station, reporting a crime.

"It's all fun and games for them until someone really gets hurt," she said.

Tia said she had been bullied non-stop for two years by classmates.

"I just sit in my bedroom and cry because it will never stop," she said.

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Earlier this year Tia says the same girls pushed her to the ground, then kicked and punched her over and over again.

"She just kept on punching and punching and then she booted me in the head and I passed out," Tia said of the attack.

Tia's mum, Chervaun, says she is at her wit's end.

"We've been threatened, we've been told that we'll burn your house down if you go to the police," she said.

"No-one should have to live like this. It's really a mother's worst nightmare."

If you or someone you know is struggling mentally contact Lifeline for support on 131 114.