The extent of the fire is unclear at 3:20 p.m.
But it has burned with open flames.
- Extinguishing work is going on right now, says an operator who is responsible for Rädningsregion Bergslagen.
Units from both Hammarö and Karlstad are on site at the fire.
The school is evacuated and no one is left on the premises.
Police are on their way to the scene.
The text is updated