My DCs were born in Oz, and we came to the UK when they were quite young.
Neither are particularly sporty or even particularly outdoors-y which of course will have a bearing on whatever they wanted to do.
One thing we were nervous about with our school options (pretty much all private where we were!) was how everything appeared to be about sport, sport, sport. I'd go as far as to say to the detriment of academia, in some instances! Close neighbours were private teachers and they actually moved away when their DS came of junior school age as they'd both seen academically clever DC in their separate schools suddenly regard their science or maths etc as 'geeky' and uncool, like many of the other DC there did.
Another aspect which we were a bit uneasy about was how, if a DC did a sport, it wasn't once a week or so, it became almost obsessional. Swim? OK, Mon, Wed and Fri evenings are training, Saturday morning is 'squad', Saturday afternoon is a competition somewhere or other. Nippers? At least twice a week. Footy? At least 3 times a week. And, oddly, the DCs sports seemed to have to involve the whole family! Or if was sport, it'd be dance, but Monday evening would be ballet, Weds, tap, Saturday morning jazz etc etc. All the DC's 'free time' seemed to be far more 'organised' than we've found with a similar 'social class' here in the UK.
Of course, I can only speak from my own experience; some DC are Action-Man and need and want constant activity, and I totally get that some will read what I just wrote and say 'Fantastic! Where do we sign up?'- but for us, as a family, we felt that were were being judged as a bit 'odd' that we felt that one or 2 extra-curricular a week was sufficient, with one sport played for 2 hours or so a week, not every evening. Maybe we're plain lazy 