Parents say a huge number of pupils at William Howard School, in Brampton, were put in isolation because of their uniforms.
The school has hit back, saying fewer than 100 pupils were spoken to on the first day of term.
A parent has reacted furiously, after hundreds of pupils were sent home or put into isolation, at a school in Brampton.
The pupils at William Howard School were reportedly punished because they hadn't followed new uniform rules, that had come into force over the summer:
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