Police are calling for witnesses after a fence fire destroyed a garden shed of a private property backing onto Ballarat Secondary College.
Ballarat Police Senior Sergeant Stacey Glenister said it appeared the fire started on the grounds of the Wendouree school campus, close to the neighbouring fence and away from all school buildings.
The fire spread to the property on Langstaff Drive when the garden shed caught alight.
Wendouree Fire Brigade, Ballarat City Fire Brigade and police attended the scene at about 7.30pm on Wednesday.
Senior Sergeant Glenister said no one had been sighted at the scene when emergency services arrived and no witnesses had come forward.
She said the fire could be suspicious and police were calling for information from the public.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or Ballarat Police on 5336 6000.