Five year old boys lag behind girls of the same age in reading, writing and maths, official statistics suggest.
Overall, 60% of five-year-olds in England were considered to be achieving a good level of development - eight percentage points up on last year.
The figures are based on teachers' assessment of children's progress at the end of the Early Years Foundation Stage last year.
Ministers said too few young children were ready to start school.
Read more: http://www.bbc.co.uk/news/education-29651924