A fire has ripped through the Dalby State School overnight causing serious damage to both the administration block and music block.
At around 12.30am emergency services were alerted to reports of flames coming from the front of the building on Cunningham Street.
Fire crews were at the scene battling the blaze until the early hours of this morning.
No one was physically injured as a result of the fire however the school was extensively damaged.
Preliminary investigations indicate the fire was deliberately lit.
A crime scene has been established and the address was guarded overnight with investigators to return to the scene today to determine the cause of the blaze.
If you have information for police, contact Policelink on 131 444 or provide information using the online form 24hrs per day.