Electrical fault in server room (speculation) sets school ablaze
Cherry Willingham School in Lincoln
Students fear GSCE work may be lost as blaze rips through school
BBC News - Cherry Willingham school to reopen after major fire
Headteacher Ed Fitzpatrick said it could be some time before all pupils were allowed to return to the school.
He said: My suspicion is that it's been caused by some kind of electrical fault in the server room or on one of the computers. There's no thought in our minds that it's foul play"