A fire at a Kununurra high school has caused over $2 million damage, and will mean its temporary closure over the school holidays while repairs are carried out.

Police were called to Kununurra District High School just after 3.30am in the early hours of Sunday morning.

Damage done to the school Credit:WA Police

They discovered a fire in the building and called emergency services.

The Home Economics building was destroyed in the blaze, and significant damage was done to other school structures.