In school No. 41 in the city of Ilansky, Krasnoyarsk Territory, one student knocked out the eye of another with a hammer.
The conflict between schoolchildren broke out a month ago when the victim was on duty at school.
He noticed that high school students were smoking in the toilet and told the teacher about it.
Since that time, the bullying of the child by classmates began, which ended for the teenager with the loss of an eye.
The Investigative Committee is conducting an inspection.