Paris Brown was hired to work alongside independent Kent police and crime commissioner Ann Barnes for a year and is expected to be paid £15,000.
Mrs Barnes, a former teacher and ex-chair of the local police authority, had said that she would use some of her own salary to pay part of Paris's remuneration.
The teenager, who attended Isle of Sheppey Academy and now works as an apprentice in the commissioning and open spaces department at Swale Borough Council, was expected to be in the post for a year from the summer.
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