All government and private schools in the Kashmir Division will observe summer vacations from July 8 to July 17.
The teenager, who had a knife in his school bag, attacked his classmate inside the classroom when there was no teacher, he added.
State General Education Minister V Sivankutty said all retired teachers who are interested in service could be part of the proposed teachers' bank.
Police have detained the accused and said they are investigating the incident and the cause will be known after a thorough investigation.
Under the 'Himachal Pradesh Early Childhood Care and Education Tutor Scheme', the state government would engage ECCE tutors for all 6,297 schools, adhering to the NCTE norms.
CBSE's video recording studio is equipped with high-definition cameras, advanced audio systems, green screens, and professional lighting setups.
MP chief minister Mohan Yadav said school books will have a chapter on 1975-77 Emergency in India and the fight against it.
The junior boys of the Jawahar Navodya Vidyalaya at Bordumsa were beaten up with sticks allegedly by several class 11 students in the hostel.