Police are appealing for help to find Jade Hood, 16, who is missing from her home in Great Horkesley, near Colchester.
Jade, who is 5ft 5ins and of a slim build, was reported missing by her family on Friday January 27 at 4.15pm after she failed to return home after school.
The teenager is vulnerable and police and her family need to make sure that she is safe.
Jade has long, shoulder length brown hair which she sometimes wears in a bun. She may be wearing a jeans and a Parka type coat which has a fur lined hood. She has a distinctive dark brown birth mark on the right hand side of her neck.
She may be in the Maldon or Southminster area of the county.
Anybody who has seen her or who knows where she may be is asked to contact officers at Colchester on Essex Police 101 as soon as possible.