Only discipline action taken against the student, what discipline action? This type of action taken by the school and MOE just signal to the students that the school and MOE are weak, toothless.
The school teaching staff would be very demoralised as their prides are not being protected, so what the point of increase their pay by 5-10%? The school teachers have no pride at all, then how to command respect from the students?
The very stern action should be taken by expelling the student immediately, so no students would commit such rude and gangsterly behaviour towards the teachers. 杀一敬百