Did you ever read the Cambridge Study into primary education published in 2009? It found that if you introduce a child to too formal a curriculum before they are ready for it then you are not taking into account where children are in terms of their learning and their capacity to develop. If they are already failing by the age of four-and-a-half or five it's going to be quite difficult to get them back into the system again.
They are not going to learn to read, write and add up if you have alienated them.
The report recommended that children up to the age of six should instead continue the more informal, play-based education typically found in nurseries.In Finland, as in Germany and Sweden, children begin school in the year they turn seven. In France, children begin formal education at six.Finland is regarded as having Europe's best education system, with the country's students regularly achieving top marks for reading literacy and science in the Programme for International Student Assessment (PISA).
Children in England & Wales also follow a play-based education until almost 6 years old (EYFS runs until end of Reception). Children in Scandinavia all go to Kindergarten from around 2 or 3 years- it socialises them ready for school, and prepares the ground for formal learning. Children in France begin Ecole Maternelle at 2,5!
What people generally fail to take into account is that nations such as Finland have entirely phonetic, regular languages- they are much easier to learn than English, which is regarded as one of the most difficult to learn for non-native speakers. Children in the UK need longer to learn even the basics, let alone master their own language. Finland also has an almost homogeneous society- the most homogeneous society in the world in fact. Each pupil is starting school with exactly the same life-experiences, coming from a broadly similar socio-economic background (strong inclusive policies), the same expectations of their education system, which is simply not the case in the UK, particularly in England which extremely diverse, economically and culturally.
The outcomes at KS2 in our school were found to be in line with national expectations. I do not want my dd to do nothing but literacy activities in KS1 in order to impress you. I want her to have time for art and music and nature, and time to build happy and healthy relationships not just be told she's inadequate because she can't use correct grammar, punctuation and spelling, or write for a wide range of reasons and at length! It's sick.
KS1 is not purely about literacy activities! I find it extremely doubtful she does no music, art, or science, I just do not believe you.
Why on earth would you want your daughter not to be able to use correct grammar, punctuation, spelling etc? 
Outcomes now may well be at Nationally expected levels, but if KS1 now is not, then I doubt KS2 in 4 year's time will be, unless action is taken now, over the KS2 education of that cohort of children. You don't say whether the judgement was actually based on National expectations, or expectations for the cohort based on prior attainment/levels of progress made.