A 14-year-old girl wearing school uniform was slapped with a £100 fine by train ticket inspectors who accused of her lying and claimed she was an adult.
Tearful Leila Sanger now doesn't want to get the train to and from school anymore for fear of bumping into the two men again.
The male train guards accused her of lying about her age in order to travel using a child's ticket.
Despite wearing her uniform, having a student lanyard around her neck and carrying an ID card for Southeastern Railways, the schoolgirl was handed a fined £104.
Miss Sanger was stopped on Thursday, May 25 as she changed trains at Strood, Kent, to get to her home in nearby Snodland.
The teenager regularly uses the service to go to and from school in Gravesend, Kent, but is now scared to go back to the station as she fears she will see the two men again.
Mother Naomi Sanger, 43, said: "She was in school uniform and was wearing a student lanyard and possessed a Southeastern ID card.
"Two male officers told her she was a liar, issued her with a £104.40 penalty charge notice and then proceeded to demand to go through her mobile phone to contact me.
"She tried calling me, but I couldn't answer as I was in a meeting.
"So instead they scrolled through her phone looking at her messages - invading her privacy.
"They were gaslighting her, stating that she had said she was 15 previously, which she hadn't. She was shaken up and in tears when she came home."
The next day, Leila would not use the train to go to school.
Mrs Sanger said: "I ended up taking time off work to take her to and from school."
The mum complained to the rail operator and the fine was cancelled.
But she received no apology for the way her daughter was treated or assurance that the inspectors would not behave in a same way again, she added.
The project planner added: "Leila does look older than her age, a lot of girls do these days.
"But there is a way of asking her age, and even issuing a fine if they still didn't believe her, that does not involve this level of intimidation.
"Leila was wearing school ID that said she was in Year 9, which should have told them she was only 13 or 14.
"Now she's been left afraid to travel by train and I'm not sure how I will get her to school now."
Siobhan Bradshaw, the general manager for enforcement at Southeastern, suggested a school lanyard and Southeastern ID card was insufficient proof of age for a child ticket.
She said: "We can confirm a penalty fare was cancelled, but we do not routinely comment on ongoing investigations.
"We do expect colleagues to be professional and courteous at all times.
"But we also believe it's reasonable to ask for proof of age if a younger customer looks older than 15 and asks for a child fare.
"On occasions when they're unable to provide this, they may be liable to pay the adult fare.
"To avoid any unnecessary confusion, we'd recommend carrying an official proof of age such as a Citizen Card or a Validate UK Card."
