Wanting to leave South Africa, but where to go?

Hello. My husband and I have recently decided it is time for us to move from South Africa, we’re just not sure where we would like to go. We have 3 children, 2 sons who are 14 and 17, and a daughter who is 16. We are finding life to frightening here now. We live in Cape Town, but we also keep homes in Paarl and Wilderness. All of our homes have been broken into, even though we have them severely protected. My daughter was home alone one evening when she noticed someone in the protected yard. She called SAPS and thank god the police got there in time. And then a few months ago my husband and I had our car hijacked by gunpoint at a stop light on our way home from the supermarket. We are really becoming concerned with the crime and want our kids to be somewhere where they can be safe and not having to be on high alertness all the time. We want to live somewhere nice, clean and safe with good education and jobs available. My husband and I both work in the medical field. He is a Neurosurgeon and I am an Obstetrician and Gynaecologist. We are particularly considering Australia, New Zealand, and the UK, but are also interested in Ireland, Canada, and the US. We are also open to other suggestions. Can you suggest somewhere? Specifically, could you suggest a country and then some cities that meet or expectations? We would specifically like to be in an area with some other South African expats. We would also like an area that is more liberal minded, as my oldest son came out as gay last year. We also enjoy living near a large city, but are also able to keep property in a small town or the countryside for vacation and occasional weekends. And we also want an area with excellent private schools to enroll our children in. Thanks for your time.