The 16-year-old was last heard from on Wednesday 31st March.
Leicestershire police are appealing for public help to find missing Rebecca Cooke.
Rebecca, 16, lives in Cosby and attends Nuneaton College. On Wednesday 31st March she told her friend she was going to catch a train home.
Leicestershire Police said: "She has never been reported missing before and both her family and police are concerned for her welfare."
Rebecca, who is 5ft 7ins tall, is of a fair complexion, a slim build and has shoulder-length brown hair, which may be tied in a bun.
She was last seen wearing a black puffer jacket with a fur hood, a black long-sleeved top, black joggers and leggings and black Nike Air Force trainers.
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