Christian critical Two students are in condition while four others were hurt.
Police believe the shooter, who was dead by the time they arrived, had also been a student at the school in Wisconsin.
It is thought the killer used a 9mm pistol, a law enforcement official said.
Shon Barnes, chief of police, said: "Today is a sad sad day, not only for Madison but for our entire country 10.57am our officers were responding to a call of an active shooter at the Abundant Life Christian School here in Madison.
"Today around "When officers arrived they found multiple victims suffering from gunshot wounds. We had officers from around the county and around the state that came in support.
This story is from the {{IssueName}} edition of {{MagazineName}}.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber ? Sign In
This story is from the {{IssueName}} edition of {{MagazineName}}.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber? Sign In
Bye, dry January
Teacher's £4m home win fizz
Football killed my dad Nobby'
Stiles' son demands more help for ex-players
I can't escape from antisemitism...I see it every day'
TV's Rob Rinder on toll of abuse
Mortgage rates set to rise after bond market turmoil
MORTGAGE rates will rise in the coming weeks as lenders respond to recent turbulence in the bond market, experts say.
Fingers firmly crossed
ICY WEATHER continues to play havoc with the racing programme, with the frost claiming today's Lanzarote Hurdle card at Kempton Park and forcing inspections at Ffos Las and Fairyhouse.
ENGLAND STARS IN RACE AGAINST TIME
Chessum heads a mounting list
Tilt's rocky road to City showdown
QUARRY WORKER'S RISE
'People just need to stop and take a breath,' says Reform MP over Musk
REFORM MP Lee Anderson has appealed for people to \"take a breath\" and calm down after tech billionaire Elon Musk called for Nigel Farage to resign as party leader.
Tycoon sub victim left less than £77k
Fortune tied up overseas and no UK will
Gas at 'concerningly low' level as icy grip takes toll
STOCKS of gas have plunged to \"concerningly low\" levels in the battle to stay warm amid January's lowest temperatures in 15 years.