Polly Barlow, from Cleobury Mortimer, was last seen on Monday on the B4201 at around midday after she said she was going into Cleobury town.
The teenager is described as around 5ft 2in tall and of slim build.
Officers say that she was last seen wearing a light weight reflective silver zip up jacket, over the top of a black, pink and grey Vans hoodie and dark coloured leggings. She has a ‘scaffold bar’ piercing to the top of her right ear and a silver ring in the right side of her nose.
It is thought that she may have travelled to the Kidderminster area.
Anyone who may have seen her or know of her whereabouts should contact West Mercia Police on 101 quoting reference 677i of 24 May.