The attackers were attired in Frontier Constabulary (FC) uniform who barged into the school, he told in a media talk here.
The chief minister said 104 people including large number of children were also wounded in the attack.
“We condemn this barbaric attack on innocent children.” He also announced three-day mourning in Peshawar as well as the entire province.
He informed that two to three terrorists had also been killed in the attack.
