Police are investigating reports of criminal damage to the new school building at New-Bridge Integrated College in Loughbrickland.
Damage was caused to the interior walls and graffiti spray painted.
It is believed the incident occurred between 5.30pm on Thursday, August 8, and 7am on Friday, August 9.
A police spokesperson said: “If anyone has an information in relation this incident, please ring 101 and quote serial 283 of 09/08/24.