Police said the man fired twice with a shotgun at the nearby school in Salavat in the republic of Bashkiria and was shot by officers who went to arrest him.
The nurse was the only person injured, investigators said.
Police officers said they stormed the man's apartment after he refused to surrender and that he fired at them before officers killed him.
Handler slams Piers Morgan: 'You're a terrible interviewer'
Beautician charged with giving client fatal silicone butt injection