Daniel Santocki, aged 17, from South Elmsall, was last seen at Barnsley College yesterday.
He is white, thin, has a slightly spotty complexion and brown eyes along with black hair, which is shaved at the sides and back, but long at the top.Daniel was last seen wearing a white hooded jacket, light blue, loose fitting jeans and black Nike trainers with orange logo.
A West Yorkshire Police spokesman said: "We are concerned for Daniel's welfare after not coming home from college."
Anyone with information should call West Yorkshire Police on 101.
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