Oh that's really interesting! I went to school in the UK and they just divided it into numbered sets e.g Set 1 (top set) to Set 6 (bottom set). The US naming is

Oh that's really interesting! I went to school in the UK and they just divided it into numbered sets e.g Set 1 (top set) to Set 6 (bottom set). The US naming is an interesting affirmation of the child's difference from their peers - I've not heard of that sort of thing over here.