noun, noun which may take the genitive case particle 'no'
inside a school; on school grounds; within the school
Refers to the inside of a school building or the school premises as a whole. Often used as a noun or before の, as in 校内のルール or 校内放送.
Please do not run inside the school.
The gate is kept closed to protect safety on school grounds.
A bullying problem occurred within the school.
The security guard is patrolling the school grounds.
You cannot enter the school grounds without permission.