blimey. 
madprest - i know you're upset, but goblin was trying to help. i'm a bit shocked you haven't realised either.
but yes, she has been let down. you need to ask the school whether they have referred her for Ed Psych assessment, and what the results were/ are/ have been... or you need to ask them for an EP referral asap. has she been tested for anything? dyslexia etc?
has she had any other special needs? poor motor skills? delayed development? has she ever been referred to a paediatrician for a developmental assessment? speech difficulties? delayed understanding? processing issues? all of these are thigns which you may have noticed yourself.
it is difficult when it is 'just' learning difficulties to know how far behind they are, and i'm bemused how she has made it to yr 4 on sa alone tbh.
i would consider contacting the head of governors or the governor responsible for sn and asking them to be present at your meeting with the ht if i were in your situation.
after the meeting you may need to decide whether the setting is right for her - if you are content that they are seeking appropriate support etc.
have they ever mentioned any 1-1/ small group help to you?
goblin - enjoy your wine - i'm not sure you'll be back on this thread, but suspect the op will be a bit
if she does get as far as the sn board...