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.
Devon man jailed for armed robbery
Dennis Ham senteced to four years
Lib Dem’s exert dominance in Mid Devon
Five of the six seats were taken by Liberal Democrats
The significant outcome from this election might not be what you expect
Comment: 'The changing of the guard politically is undeniably noteworthy'
East Devon gets two Reform councillors as Lib Dems sweep five
Several district councillors gain seats at county level
Conservatives' 16 year Devon leadership reign ends
They're now the third biggest party in the county
