But if the vote was held across the UK's schools, the Brexit campaign would be struggling, a new poll suggests.
Some 71 per cent of more than 6,500 seven to 14-year-olds backed Remain in an online poll conducted by children's newspaper First News.
Read more: #CatsAgainstBrexit: It's happening
One First News reader commented: “If we leave we are more prone to terrorist attacks and WW3 could have a chance of breaking out.”
Another said: “If we leave it will have a negative impact [on our] future and the generations to come.”
On the First News website, 11-year-old Ethan wrote: “Stay. Because brexit scaremonger and brexit say there would be more money for the NHS but there would be no staff.”
Separately, a TES poll of 751 UK school teachers earlier this month found 70 per cent were backing Remain.
First News editor Nicky Cox said: “Children are 27 per cent of the population but 100 per cent of the future.
“They will have to live with the result of this EU referendum so they needed a chance to make their voices heard.
“I pledged to cast my vote in line with the will of our youngest generation so I will now be voting to stay in the European Union, giving children at least one vote this Thursday.”