It is "vital" to improve education programmes to stop young children having to be treated for drug and alcohol misuse, charities have said.
A survey by Mentor UK, who works to protect children from drug and alcohol misuse, suggested youngsters are not getting enough information.
The charity's director of programmes, Andrew Brown, said:
"We think it is vital that alcohol and drug education improve. Our own survey of teachers suggests that at the moment delivery is inconsistent, and that the norm is to timetable only one or two sessions a year.
More top news
The mother of a 21-year-old woman who died after taking potentially toxic diet pills has warned others to avoid using the drugs.
It's a case of mistaken identity as the actress is forced to differentiate himself from an Irish activist sharing her name
Jeffrey Okafor is accused of murdering 19-year-old Carl Beatson-Asiedu outside a nightclub in south London in 2009. His trial began today.