Several people were wounded at the school, said Jeanine Quist, an administrative assistant with the Corning Union Elementary School District.
"I'm told the suspected shooter was deceased by law enforcement bullets", Mr Johnston said.
Assistant Sheriff Phil Johnston told the KCRA news network that the assailant was killed by police following the shooting, which began around 8:00 am (1600 GMT) at a home in Tehama County and continued at the Rancho Tehama Elementary School. The kids who were at the school are in a safe location, Johnston said.
Law enforcement officers shot the attacker dead, Sacramento television station KCRA reported, citing a sheriff's official.
Samsung CONFIRMS Galaxy A5 2018 Via Support Page
It is speculated that this particular model of the A series will bag an improved camera, in comparison to its predecessors. Apart from the FCC certification, the South Korean website also authenticated the arrival of the A5.
Two children were among the wounded, it was confirmed.
Authorities in California say three people have been killed and multiple children have been injured in a number of shootings in California. At least seven children and adults have been hospitalized. No information about their conditions was immediately available, according to a spokeswoman for the facility, located about 45 miles from the school.
Authorities recovered a semi-automatic rifle and two handguns. Flint says he had been shooting "hundreds of rounds" from large magazines.
California Governor Jerry Brown said in a statement he and his wife were "saddened to hear about today's violence in Tehama County, which shockingly involved schoolchildren".
Brian Flint told the Record Searchlight newspaper in the city of Redding that his neighbor, whom he knows only as Kevin, was the gunman and that his roommate was among the victims.
Bennett rips Packers after returning to New England
Bennett apparently told his agent to notify teams that he didn't want to be claimed because surgery was on its way. He wasn't in there on many plays, but when he was in there he was effective and it's great to have him back.
Carbon emissions on track to rise this year
Global CO2 emissions from all human activities are set to reach 41 billion tonnes (41 Gt CO2) by the end of 2017. Data from the Department of Environment and Energy shows Australia's emissions have been increasing since 2013.
Sierra Nevada Dream Chaser Conducts Critical Flight Test
Both SpaceX and Orbital ATK developed wingless cargo capsules that launch to the station on top of the companies' rockets. The company is under contract from NASA to fly its Dream Chaser spaceplane to the International Space Station by 2020.
Chance of rain on Tuesday
Rain chances will stay at 0% and we will still be breezy with wind coming from the north at 10-15 miles per hour . A fast-moving front brings a few showers Wednesday night and Thursday before it's back to nice weather Friday .
Walmart unveils Black Friday plans
Also, store employees will hand out color-coded maps to help shoppers navigate through large crowds. Its stores will then reopen at 6 a.m. local time on Friday until 10 p.m., 11 p.m. or midnight.