The cost of cleaning and repairing the damage is estimated to be approximately $250, a significant hit to the school's wallet.

A spokeswoman for NSW Education said that it would be dealt with by local authorities.

"The Department of Education has a range of strategies to protect schools, including working with police," she said in a statement.

She was quick to assure that the image had been removed.

Police are currently making inquiries into the incident, and anyone with information is encouraged to contact Griffith Police on 6969 4299 or Crime Stoppers on 1800 333 000.

READ MORE

In another incident, a resident of Poole Street had their front windows smashed overnight on July 19. The windows were broken at around 1:10am.

Inspector Kim Traynor said that they didn't believe the incidents to be connected.

"Besides the fact that they were both in Poole Street, there's no reason to believe they're linked," she said.

It's not currently believed to be a targeted attack.

Police similarly encourage anyone with information to contact them on 6969 4299 or Crime Stoppers on 1800 333 000.

Our journalists work hard to provide local, up-to-date news to the community. This is how you can access our trusted content: