The basic structure looks so similar to ‘O’ levels, with grades 1-8 (I remember 1-9). They will, of course, be ‘tougher’  and may be called ‘I GCSEs. The final composition will be presented today in two reports, but there is already talk of a ‘pass mark’. Both Wales and Northern Ireland have no plans to change from the present GCSEs:

 

http://www.bbc.co.uk/news/education-22841266