Authorities said the shooting occurred around 8 a.m.in Rancho Tehama, near Red Bluff, Calif., about 120 miles northwest of Sacramento.
At least three people were killed in a shooting at a rural Northern California school Tuesday morning.
"I know that we have (airlifted) a number of students", Assistant Sheriff Phil Johnston told NBC-affiliate KCRA.
Local media reports that there was an active gunman at the school and there were confirmed injuries.
A helicopter medical crew reported they were transporting a 6-year-old victim to Mercy Medical Center in Redding. Local law enforcement have blocked off the road that leads to the school.
No one answered the phone at the elementary school, and an official speaking for Rich DuVarney, Tehama County superintendent of schools, said he was trying to find out what was happening in Rancho Tehama.
Police are investigating at least five crime scenes.
There are more than 100 law enforcement on scene, and more police personnel are on the way.
Stay with WPXI.com and Channel 11 News for updates on this breaking story.