<P> School uniform or school uniforms is a practice which dates to the 16th century in the United Kingdom . It is believed that the Christ Hospital School in London in 1552 was the first school to use a school uniform . The earliest documented proof of institutionalised use of a standard academic dress dates back to 1222 when the then Archbishop of Canterbury ordered the wearing of the cappa clausa about 800 years ago . </P> <P> The practice of having school uniform has been adopted by other countries, and is now common in many parts of the world . Uniforms can be regarded as promoting social equality among students and school - pride, but the practice has also been criticised for promoting a form of uniformity characteristic of militarism . </P>

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