A 13-year-old boy who died after being found unconscious in a Caerphilly park has been named locally as Carson Price.
Police were called to Ystrad Mynach Park at about 19:20 BST on Friday 12 April.
The teenager was taken to University Hospital of Wales in Cardiff where he was pronounced dead.
Chris Parry, head teacher as Lewis School Pengam, said everyone at the school was “shocked and devastated at the terrible news”.
His family has been informed and is being supported by specialist officers.
Mr Parry said the school would be providing support for all pupils and staff affected.
He added: “It is with immense sadness that today we have heard the terrible news that one of our pupils has tragically passed away.
“Everyone in our school is shocked and devastated by the loss of one of our own.
“I’m sure everyone in our community will join with us in sharing our deepest sympathies with the pupils’s friends and family at this awful time.”
The boy was found close to trees beside the rugby pitch.
Gwent Police are treating the boy’s death as unexplained and specialists are working to determine the exact cause of death.
Det Ch Insp Sam Payne said: “At this time enquiries are ongoing and the investigation into this young boy’s death are still in the early stages.
“Our thoughts are with his family and friends at this time.
“I’d like to appeal to anyone who can assist with our investigation.”