Hello Niall -
There are excellent opportunities here for your family when you do make the move. Very good friends of ours moved here from the UK some 10 years ago and have loved it ever since. Their 4 children all participated in sports. Soccer (or football) is offered at all the high schools and club soccer is very popular in the area. Another client is the coach for a local club team. Rugby has begun to have a following, and while it is not yet offered at the schools, there are rugby clubs in the area which have junior level teams associated with them.
Our own children played football (american style), wrestled and then did track and field and we appreciate how much a part this plays in their development as young men and women. When you get close to making the move, or even if you just have a question, we would welcome the opportunity to assist you and and your family.
Best regards -