This, as RIA Novosti writes, was stated by the senior assistant to the head of the capital's head office of the Russian Investigative Committee Olga Vradiy.
She said that employees of the educational institution used physical force against one of the students and put moral pressure on him.
He was hospitalized.
Similar actions were committed against the boy's sister.
A criminal case has been opened.
Earlier, the Chairman of the Investigative Committee of Russia, Alexander Bastrykin, ordered to open a criminal case in connection with the fact that teenagers abused a boy in his underwear on the street in the Perm region.
On December 25, the head of the Investigative Committee of Russia, Alexander Bastrykin, ordered a report on the situation with the beating of a schoolchild in Kemerovo.