Some good advice above - and there have been many on this forum who suffered bitter disappointment in the short term, but for whom things worked out really well in the longer term.
I doubt the lack of a reading or spelling age would have made much difference. I'd be more concerned about "high 4's maybe 5's," - straight level 5s would be a much better starting point for an appeal.
Not saying that either of the following cases resembles yours or the other family's - it's just an example of how a lower score might succeed at appeal:http://www.elevenplusexams.co.uk/appeal ... aneous#e24
Moreover, no two cases are ever identical. It's not even possible to attempt a comparison without having all
the information. There may have been something in the other case (previous test scores, strength of comments from the school, something in school work shown to the panel, or something that came out of the question & answer session) that swayed the panel.
The class teacher means well, but under the Data Protection Act there's no way the authority can discuss someone else's case.