A teenager has been arrested for being in possession of a knife at Steyning Grammar School.
Sussex Police said officers responded to reports of a boy with a knife at the grammar school at around 9.40am this morning (July 11).
A 15-year-old boy was arrested nearby on suspicion of possession of a knife or blade or pointed article in a public place and possession of a bladed article on school premises, police said.
No injuries were reported, police added, and police have liaised with school staff.
Steyning Grammar School has been approached for comment.