Mr Timpson's letter continued: "It is important that students and parents can be confident that those failures have been addressed and all necessary action taken.
"As the accountable people, at officer and political level, for safeguarding in East Sussex, I am writing to you to ask what steps you have taken to assure yourself that the safeguarding practice in the school has significantly improved."
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Mostly dry with sunny spells and a fresh south-westerly breeze.
Cloud and sunny spells with a fresh breeze this afternoon.
Saturday morning's weather for the east of the region