I don't think their English would need to be on an A level, but at least enough to communicate their idea across to the panel. It really depends on how much of

I don't think their English would need to be on an A level, but at least enough to communicate their idea across to the panel. It really depends on how much of an issue it is- if they can't even begin to communicate without stuttering, then I don't think it'll work out very well.