Teenage pupils have been told off for wearing onesies to school.

Students at Chailey School have been sporting onesies – which are effectively giant baby grows – to class last week.

They sported the unusual garments after teachers said they were allowed to wear warmer clothes as temperatures plummeted to -4C.

Staff, however, meant thick jumpers and gloves. But some pupils opted to wear the fashionable all-in-one pyjama-style outfits favoured by the likes of The Only Way is Essex’s Joey Essex.

In a letter to parents – seen by the newspaper – the school said: “Could I please point out that it is not appropriate or acceptable – as has occurred in a few cases – for students to wear ‘onesies’ or shorts.

“Jeans or trousers and jumper/fleece and a warm jacket, hat and gloves are appropriate of course.”

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