Teenager Taiyah Peebles made a tragic final phone call moments before she died at Herne Bay railway station, her inquest was told.
The 16-year-old pupil from Canterbury Spires Academy had been on a night out with friends celebrating a birthday on July 25 last year in Whitstable.
Her body was found near Herne Bay station at around 6.40am the following day by a train driver who at first mistook her for a toy on the track.
She had become separated from her friends while on the train back to Herne Bay, an inquest heard at Canterbury Magistrates' Court.
Ms Peebles was seen earlier by a separate group of young people who noticed she was struggling to walk and heard her crying in the toilets.
The group got off the train with her at Herne Bay railway station and asked if she was okay, but left her when she pointed to her friends at the end of the platform and said she was with them.
CCTV from on board the train showed she then walked towards a fence on the end of the platform while her friends left the station.
Ms Peebles's friend Jamila Giles received a call from her at 10.55pm.
She described the girl, who leaves behind two sisters and one brother, as sounding worried and telling her 'I don't know where I am'.
Ms Giles was unable to re-establish contact with her friend following the call.
Ms Peebles also called another friend and told her she was in a field before the call cut out. The girl went to Memorial Park in Herne Bay thinking this was where her friend was, but was unable to find her.
Ms Peebles's boyfriend Adam Wilson, now 17, spoke through tears as he explained his final day with her.
It was heard the two had an argument during the evening and each went off with their own group of friends on the train.
Mr Wilson explained that after realising she was not with the group once they got off, he repeatedly tried calling his girlfriend but failed to reach her.
He said: 'She wouldn't answer at all. That's when I really started to worry. I went back to my friend's house. I couldn't sleep so I left in the morning.
'I walked past the station and there were lots of ambulances outside.
'I was worried, so I went to her house and looked in her bedroom window on the ground floor. But she was not there.'
Mr Wilson received a call from one of his friends telling him it was his girlfriend's body that had been found near the railway station.
Along with another of her friends, Mr Wilson went back to Ms Peebles' house and broke the news to her mother, Hayley Peebles.
A friend Hannah Brooker said Ms Peebles had been emotional during the evening and at one point told her she 'felt like she had no one'.
Ms Brooker reassured her this was not true and said she put her mood down to alcohol and others noted she had seemed 'jolly'.