A separate poll revealed that almost four in five (79%) parents believe wearing a uniform helps maintain discipline in schools.
And 97% of parents believe that price is the most important factor to consider when buying uniform, followed by quality and longevity (96% and 95% respectively), according to the survey by the Schoolwear Association.
It also found that 73% of parents agree that school uniform is better value than allowing children to wear their own clothes to school.
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British soldiers will join troops from some 30 countries who work in the country.
The demand comes after the Prime Minister urged a "grown up" relationship between her government and the devolved administrations.
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