The family of a Perth man allegedly attacked by a group of teenagers says its glad police apprehended the alleged culprits quickly.

Five teenagers, from Churchlands Senior High School, are accused of viciously bashing 20-year-old Matthew Henson at Stirling train station on Thursday.

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Henson was left in a coma after allegedly being kicked and stomped on.

He remains in a critical condition.

“The family is appreciative of police efforts to apprehend the culprits so quickly,” Henson’s mother said on Friday, as per The West.

“Our focus is now on our son and getting him back to full health as soon as possible.”

A group of teens accused of bashing a man at Stirling train station are students from Churchlands Senior High School. Credit: Christmass, Pip / Supplied

Police believe the students were all wearing their school uniform at the time of the alleged attack.

It’s believed the group preyed on Henson because they wanted his shoes.

His alleged attackers have been charged with aggravated robbery and committing acts intended to cause grievous bodily harm.

It’s further alleged one of the teenagers stole the Henson’s shoes while another took his bag.

The alleged attack lasted just 30 seconds and was witnessed by about 10 people.

Police at Stirling Train Station on Thursday afternoon. Credit: 7NEWS

“This was extraordinary in that it was broad daylight, a public place, an absolutely brazen incident,” Public Transport Authority’s David Hynes told 7NEWS.

A Transperth customer service officer was the first person to rush to the victim’s aid.

“We were able to go and render assistance to this victim within a minute or so of it happening,” Mr Hynes said.

Detectives are now investigating an incident on a bus before the alleged train station assault.

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The route was the number 998 travelling from Nedlands to Stirling Station.

No transit guards were on duty at the time of the incident.

Education Minister Sue Ellery described the alleged attack as “shocking”.

The teenagers are due to face Perth Children’s Court on March 3.