A 15-year-old girl has died after being taken suddenly ill during a PE lesson.
Lily Webster, a Year 11 pupil at Stowmarket High School, was taking part in a trampolining session at Mid Suffolk Leisure Centre when she collapsed.
The ambulance service was called at 2.30pm on Monday but she was pronounced dead at the scene.
A spokesman for the East of England Ambulance Service said: "First and foremost, our thoughts are firmly with the girl's family at this tragic time.
"On arrival, the girl was found in a critical condition.
"Ambulance crews, the doctor and the critical care team from the air ambulance worked extensively to treat and stabilise the girl but following everyone's best efforts, she was pronounced dead at the scene."
Headteacher Keith Penn said the school community was "shocked and deeply saddened" by Webster's death.
“Popular, active, bright and with a very wide circle of friends, Lily will be desperately missed by students and staff at the school and all those who know her.
“All our thoughts and prayers are with her family and close friends at this time.”
A Facebook group has been set up in memory of the schoolgirl with one girl writing "The good are always taken too early sleep well lily xxx".
Another tribute said simply: "RIP Lily. Heaven has gained another Angel".