Rachel Riley dancing with Pasha Kovalev
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Countdown presenter Rachel Riley harnesses old school votes

4 October 2013 Last updated at 13:43 BST

Pupils at the former school of Strictly Come Dancing contestant Rachel Riley said the Countdown presenter had done the impossible and "made maths cool".

Staff and pupils at her old school, Southend High School for Girls, said they were all going to vote for the girl who went on to study maths at Oxford.

Gareth George reports.