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Over 300,000 children were excluded from school in England and Wales last year - almost 6 thousand of them permanently.

Many of these children will end up in "alternative provision", sometimes known as pupil referral units (PRUs) - schools for kids that the mainstream can't handle.

But five years on from the Taylor Review, a report that found 'a flawed system' that failed to provide good education and accountability for 'some of the most vulnerable children in the country' - has anything really changed?

File on 4 hears allegations of a system under pressure; of illegal exclusions, 'missing kids' and how some schools are controversially manipulating league tables through 'managed moves'.

We also hear from whistle-blowers from one school who claim an overburdened system and a rise of referrals of kids with extreme and complex needs have led to an increase in the use of physical restraint to manage escalating violent behaviour in classrooms."

Reporter: Adrian Goldberg\nProducer: Alys Harte.