Hello and welcome. I'm sorry you had to make your first post in relation to an appeal.
Just for the record please can you confirm which school and county you are talking about, since several of the grammar schools share abbreviations. (I don't want to assume that you are talking about Altrincham Girls, which is the school I call AGGS!)
Have you read the announcement and Q&A about appeals? If not, you can find them here. viewtopic.php?t=8255
Hopefully this will answer some of your questions and then when we know exactly which school we are talking about we can talk specifics.