The problem is most acute in deprived areas, where researchers found half of youngsters have communication difficulties when starting school.
Jean Gross, the government’s communication champion for children, said she discovered the problem while speaking to head teachers in Hull and London.
“They told me that they had seen a number of cases of children arriving for their first day at school who did not know their name or that they even had a name.” [...]
“We do have a problem. Anecdotally, it’s getting worse from what head teachers say.”