Police are appealing for witnesses following a fire in Glen Waverley that occurred early this morning (12 March).
It is believed the fire started in a portable classroom at the Watsons Road school about 3.30am.
The fire has caused significant damage to two classrooms.
No one was injured during the incident.
The exact cause of the fire is yet to be determined.
Anyone with information or who may have witnessed the incident is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au