East Sussex County Council handle all admission arrangements.
This includes transfer from Infant to Junior School at age 7+. You apply for a school place online.
There is a set of priorities that decide who gets a place. These include looked after children, siblings and how close you live to the school:
For full details see the how school places are offered in the East Sussex schools guide.
Changing schools during the school year
To apply for a place at West Rise Junior School in the middle of the school year you can apply during the school year online via East Sussex County Council.
You have the right to appeal against a decision on school allocation.
See Considering making a school appeal? for helpful advice, information and deadlines.