Police were called after the boys were found with cannabis.
But because they are under ten – the age of criminal responsibility – they cannot be prosecuted.
Instead they will be monitored by officers. They have not been expelled or suspended.
Teachers at Stanley Primary in Marton, Blackpool, made the shocking discovery after two Year Three boys were seen brandishing the packets in the playground, offering other children the chance the sniff the drugs.
One father, who did not wish to be named, said: 'It's unbelievable a child of eight could know what a drug is, let alone get hold of some and bring them into school.
'My son was asked if he wanted to sniff the drug in the playground.
'These boys have not been disciplined enough, they should be at least suspended, if not expelled, and I am going to take my kids out of school if they aren't.'
The two pupils have been handed Youth Referral Orders which means they will be monitored by police.
Headteacher Craig England confirmed: 'Two pupils were found on school premises with cannabis. Read More