Are the national average results available for Key Stage 1 SATS (ie end of Year 2)? I know they aren't on the Department of Education website, but various primary schools publish the national average figures alongside their own results.
However, I have just spent an agonising hour finding that the national averages given on St Bloggs Primary school website for 2012 or 2013 are DIFFERENT to the national averages given for Acacia Avenue Primary School, which are different to Greendale Primary School, which are different to.... etc!
Heeeelllp!