Police say they are working closely with the school following the incident on Monday 10th December.
Officers were called into St Michael's C of E in Heavitree on Monday.
The knife was not taken out of the child's bag until it was confiscated by staff at just after 9am.
Young voices barely registered in devolution consultation
Only eight people under the age of 24 registered a view
Energetic Pretty Woman is a must-see
REVIEW: Pretty Woman The Musical
Devoncast - Police and Crime Commissioner election special
Devoncast is back with the latest from around the county
New pledge on South Hams Freeport funding
'It is taxpayers’ money, but that money is being spent in the South Hams'
Axminster children connect with space station
Space cadets link live with astronaut
East Devon should get new CEO
Local Government Association recommends new boss
