Hi, researching schools can be very time consuming but it is very important to find the right one. There is an expo on in May at the Adelaide Entertainment Centre which can help you and the website has quite a bit of information. I also have have an online school magazine.
Strangely primary school in Adelaide goes all the way until year 7, whereas in the other states year 7 is in high schools. This is something that may change in the future. There are a lot of education links between the UK and Australia, in fact the new Director of Education (from May 2011) is coming over from England. Right now Adelaide has an oversupply of teachers, there was information about this in the newspaper yesterday that the SA Government has 50 more teachers than it needs!