[ame=http://www.youtube.com/watch?v=eoeIYHOFHy4&feature=related]YouTube - Deaf children learning maths vocabulary and so much more through Cued Speech[/ame]
If it is used, it is used rarely. The same as here in the States. The NCSA appears to be intent on trying to revive something that was found, in a practical use, to be less than effective. They have completely distorted the origninal presumptions behind CS, as well.