Children do not need to be measured or weighed to be told they are overweight! 
A child will not carry the same weight throughout their life and this study will create more problems creating eating disorders and mental instability because they believe they are fat! 
Not only does it effect the children receiving a letter but it effects the parents of that child feeling like they are failing their child when it is totally the opposite. 
Healthy living is so important but weighing children in reception and year 6 is not! 
In a world full of models and photoshopping we need children to be happy and loving life not panicking about being overweight. They have so much to worry about weight should not be one of them at such a young tender age!! 
Being told your fat can have such a dramatic impact that can become dangerous and irreversible.