Helchops - you can definetly tell you are a teacher, lol.
We researched the hell out of South Australia before commiting to the move. Even so, there are still things and emotions that caught us out. There are many subtle differences here compared to the UK. The Aussie sense of humour is different to ours, and that is something that I personally cannot change in myself. Attitudes towards certain things are at odds with UK attitudes, priorities are different in certain things.
Just looking at education as one subject out of many hundreds. The whole ethos of primary education is so different to the UK. The kids I see are so much more confident that kids in the UK, more independent, a little wilder, but happier. Schools are far more chilled here, far less fencing, no security cameras, very open and welcoming to all. Teaching is not an exercise in 'ticking boxes' (which is my opinion of the UK system), it is still about the children. Which is lovely, but it is still a huge difference. I think that the whole emigrating process can be a lot harder for adults, than it is for children. I am 43, I cannot change my sense of humour, I cannot change my accent, I cannot change what is already preprogrammed in to me. However, the world that is now around me is so different to where I lived only last year.
So, I can understand that people go home, and that so families become ping-pong poms. It is hard, it is tough, it is not for everyone. But, the worst thing, in my opinion, is to not even give it a go. If it is something that you want to do, then go for it 100%.
I hope this doesn't come across as condescending to anyone. I just wanted to share my opinion in the hope it may help others who may be unsure, or oversure. Anyway, I have waffled on enough...