is offering a $500 reward for information leading to the arrest and conviction of vandals who spray-painted a retaining wall near the early Monday.
"School officials noticed the vandalism when staff arrived for the first day of school and documented it with photos," said Amanda Hartle, district communications coordinator. "They filed a police report with the , who are now involved with the investigation."
Cleaning crews quickly cleaned and power-washed the paint from the wall.
The district is asking anyone with information to contact the Ross Township Police Department at 412-931-9070 or North Hills Senior High Principal John Kreider at 412-318-1402.