This is mere curiosity at this stage as my DS is extremely young and his level of 'gifted' at the moment is being able to point to a duck in a book :)
However, I'm interested in knowing what people consider to be beyond the boundries of normality for reception entry. Obviously, kids develop at very different paces but any teacher's going to think a 4 year-old who can do calculus is pretty impressive.
I'm guessing, for example, a free-reader would be pretty rare as would be a child who understands fractions? Where would everyone draw the line between 'quite a bright kid' and 'wow'?
The reason I'm interested is that I live overseas and competition for primary school places is stupidly intense. Personally, if I was a school able to pick and choose as they like I wouldn't want the 'wow' kid as they would place extra pressure on teachers and resouces (and I wouldn't blame them!).