Secondary schools ratings in Wales 2013 announced

Twenty secondary schools have achieved the highest band rating - eight fewer than last year - according to performance rankings.

Ferndale Community went from Band 5 (the lowest) to Band 1 (the highest), while Ysgol Y Moelwyn in Gwynedd had the best score in Band 1.

Education Minister Huw Lewis rejected criticism that the system was volatile.

BBC Wales education correspondent Arwyn Jones reports.