Students and teachers were move to the football stadium while the authorities searched the school.
Police blocking all 4 entrances to Sanderson High School. Some concerned parents came, not allowed in @ABC11_WTVD pic.twitter.com/ASi5Ikil99
— Andrea Blanford (@AndreaABC11) September 22, 2015
The all clear was given just before noon on Tuesday and students returned inside.
Wake County Schools said that classes were returning to normal and urged parents to not pick up their children.
Someone allegedly sent a text threatening the school and police responded at 10 a.m.
Parents were urged to not go to the school.
ALERT: Sanderson HS is on code yellow lockdown while police investigate a bomb threat Parents please do not go to the school @SpartanTweets
— Wake County Schools (@WCPSS) September 22, 2015