Students at Rackham Church of England Primary School in Witchford were given lessons on life-saving in January.
Neil Flowers, who has been with East Anglian Air Ambulance for over seven years, ran four interactive workshops.
He worked with students in year five and six, teaching basic life support skills, including the recovery position and CPR.
Mr Flowers said: “We can’t over-emphasise the importance of basic life support.
“It really can mean the difference between someone surviving and not surviving.”
The session was funded by a donation from Witchford Parish Council to benefit the community’s children.
At the end of each session, pupils received a certificate and badge to take home.
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