Firefighters with the Sacramento Metropolitan Fire District responded Tuesday afternoon to an attic fire at Wee Tymes Playschool in Carmichael.
All 10 kids inside the building at the time were safely evacuated before firefighters showed up to the scene.
Firefighters had to cut holes into the roof of the building to help put out the inferno.
The cause of the fire is still unknown, but investigators have ruled out arson.
Luana Munoz and Ian McDonald contributed to this report.