School bandings analysis: What the results mean
Twenty secondary schools have achieved the highest band rating - eight fewer than last year, according to performance rankings.
Ferndale Community went from Band 5 to Band 1, 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 looks at the results.
12 Dec 2013
- From the section Wales