According to the Telegraph article, this will be for core subjects.
What's Gove's excuse for bleating about O Levels and Latin and blazers, then, if he's not trying to recreate 1950s grammars? The man is, in so many ways, an arse.
I am not against having one exam board, but do think there would have to be guarantees that it wasn't run by the politicians in order to deliver whatever that year's target might be.