The gate of Nyabisase S.D.A. Mixed Secondary School in Kisii County, where the incident happened on Thursday 5 November 2026. (File photo: Education News)

Nyabisase Mixed Secondary School in Bobasi, Kisii County, has been closed indefinitely after candidates attacked a multi-agency team investigating suspected KCSE malpractice and briefly seized a police officer's firearm.

Education Cabinet Secretary Julius Ogamba visited Kisii following the incident and condemned the violence against examination officials and security personnel. Candidates will continue sitting their remaining examinations under enhanced security, but anyone found responsible for violence or examination malpractice will face legal action, Africa Updates reports.

The incident happened at about 10:30 a.m. on Thursday 5 November, between examination sessions, after a team from the Kenya National Examinations Council (KNEC), the Directorate of Criminal Investigations, the National Intelligence Service and the police arrived at the school following reports of suspected malpractice.

According to police, the candidates turned violent, pelting the officials with stones and other objects. During the confrontation, a police officer was overpowered and his Ceska pistol taken, triggering a tense security operation before the firearm was recovered in a search of the school. Several KNEC officials and police officers were injured and received medical treatment, and vehicles and property belonging to the inspection team were damaged.

Kisii County Police Commander Ronald Kirui confirmed the incident, saying anti-riot police were deployed to restore order and secure the examination centre, with investigations underway into the assault, the temporary loss of the firearm and the alleged irregularities that prompted the inspection.

Police have remained at the school as detectives question witnesses and assess arrangements to ensure the remaining KCSE examinations proceed without further disruption.

The school has been here before. In July 2026, students staged violent protests following the appointment of a new principal, during which a dormitory was set on fire, forcing a temporary closure.

This is a follow-up to Campus Pulse article 99, which reported the initial chaos on 5 November.