May is the month that you need to register your interest in your child taking the 11 plus exam. Closing date is 31st May. You can do this online here
There is also a familiarisation leaflet available which gives useful information on the procedure and format for the new 11 plus exam.
You can find that here.
This gives example questions in each area and includes the answer sheet. A great way to familiarise your child with the new exam.