9 June 2016 Last updated at 16:47 BST
Youngsters at Davyhulme Primary School in Manchester made the film, as the team prepares to face Russia in their opening game on Saturday.
The England team thanked the children via a message on their official Twitter account.
"Everyone in the England camp, including Roy Hodgson, all of the players and coaching staff really appreciates your support," the message read.
Class teacher Lee Parkinson said: "I'm sure you agree it certainly gets you motivated for the Euros."

Mr Kearney's Kilmona group wants to build a four-block scheme on a site next to Central Station and extend an existing building on Chichester Street.
Residents in the adjacent Markets area have objected to the Central Station scheme and elements of the original plan have been changed as a result.
Councillors on the planning committee are to make final decisions next week.
The Central Station scheme consists of a 14-storey block, a 10-storey block and two three-storey blocks which will have total floor space of about 323,000 sq ft (30,000 sq m).
The Chichester Street scheme will involve extending and upgrading Centre House.
The plan includes the demolition of an existing three-storey office building on Gloucester Street and the addition of a 'glass box' extension to the upper levels of Centre House.
Belfast has seen little development of Grade A office space since the property crash.

About 200 homes lost electricity for about an hour after the accident near Eastington, Gloucestershire, Western Power said.
Heaven Crawley, who was piloting the private flight, said poor light meant she had not seen the overhead cable suspended above a field.
No-one was hurt in the crash, at 20:15 BST on Wednesday.
"We were very lucky, we weren't that far from the ground," Ms Crawley said.
The balloon had taken off from Aston Down, near Cirencester, and was trying to find a suitable place to land on the outskirts of Stroud.
"We spotted this field and the lines on the way in but unfortunately because the sun was low, we saw the first dark line of the telephone but not the power lines behind it," said Ms Crawley.
As she tried to land, she said, the bottom part of the balloon envelope struck the 6m (20ft) high cable.
"Obviously if anything electric had hit the metal poles or the basket that has the gas in it, than potentially you're looking at a different scenario," she said.
"But as it was we broke the cables and landed with very little damage."
School pupils received a personal message of thanks from England's football squad after they filmed an inspiring team talk ahead of Euro 2016.
[NEXT_CONCEPT]
Two major Belfast office projects from the developer Paddy Kearney have been recommended for planning approval.
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Two people on board a hot-air balloon had a "lucky escape" when they crashed into an 11,000 volt power line.