Terrified scholars fled after the attacker got up and knifed their teacher (Picture: AFP)

A teenage boy who allegedly stabbed his instructor to loss of life in entrance of terrified classmates in France instructed detectives he used to be ‘possessed’.

The 52-12 months-old feminine Spanish trainer died from a unmarried stab wound inflicted by means of a ‘large knife’ quickly after the attack in a personal Catholic highschool in Saint-Jean-de-Luz, a seashore the town near the border with Spain.

After his arrest, the SIXTEEN-yr-old suspect said he ‘heard voices’ telling him to kill her, police resources told French broadcaster TF1.

A classmate, Inès, 16, said the attacker seemed ‘very calm’ as he approached the instructor and plunged the knife into her chest ‘with out announcing a specific thing’.