Where are you hoping for DS to go ?Where are you thinking of moving to?
My DS has nearly finished year 7 at Calday and is very happy -
We used the interactive cd's on this site for practice and also the papers available from this site - make sure you ONLY practice the 21 types of questions as others have said.
You could have a go at the practice interactive cd's on here -though it may be a bit early!
Both my DC passed the 11+ using papers without a tutor -we started practising in the Feb of year 5 for the Nov exams in year 6-my DD struggled a bit more as she was a July Bday ( now yr 10 at West Kirby )
DS found it all quite easy he is Nov b'day and very good at maths !
Any further questions feel free to ask -PM me if you want
Hope that helps Pensby