The OCR examination board says students taking GCSEs this year had the same chance of getting the same grade as last year.
OCR's Chief Executive Mark Dawe says the results for 16-year-olds are relatively stable but the overall picture is being affected by younger pupils taking exams early.
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Events are taking place in Cambridge, Norwich, Colchester, Southend and Lowestoft today, to mark Holocaust Memorial Day.
Cloud will increase through the day with rain arriving by dawn.
A mostly dry night with some clear skies allowing a touch of frost to form in places. Increasing cloud from the west tomorrow.