Nearly nine in ten mums and dads want to be informed if their child is vaping, according to a new poll.
It comes as various MPs have backed the move for schools to let parents know if their child is vaping.
Teachers have said vaping is on the rise and more children are trying it.
New figures show three-quarters of teachers say vaping is on the rise in their school and one in five 11 to 17-year-olds have tried it.
Conservative MP Craig Whittaker said: "Schools should be telling parents if their child is caught vaping.
"Government are cracking down on youth vaping and parents should be told about children so they can take responsibility, too."
Mark Oates, of We Vape, which commissioned the poll, said: "This reveals a public appetite for schools to engage with parents.
"Teachers and parents working together is an obvious way to stop young people from vaping."
A poll found three quarters think there should be jail sentences for shopkeepers who repeatedly sell vapes to children.
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The poll also found three quarters think there should be jail sentences for shopkeepers who repeatedly sell vapes to children.
Member of the All-Party Parliamentary Group on vaping Adam Afriyie added: "The evidence shows us that vaping is much safer than smoking but no child should be vaping."
"It is appalling that bad faith actors are trying to push these products to our children. I welcome moves to enforce legislation which prohibits the sale of vapes to minors."
NASUWT's Darren Northcott said: "Our experience is that schools generally inform parents of significant episodes of inappropriate behaviour.
Craig Whittaker MP has called on schools to tell parents if their child is vaping
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NASUWT research has revealed more than half of educators have seen pupils leave class to vape.
Darren added: "The biggest issue is that under-18s are able to get hold of vapes so readily."
Department for Education policy says schools can ban what they want including e-cigarettes or vapes.
Australia is set to ban imports of disposable vapes from January in an effort to curb nicotine addiction in children.