Thailand school shooting leaves six dead and 15 injured in Nonthaburi

Panic and confusion gripped the northwestern outskirts of Bangkok on Friday, August 7, 2026, when an active shooter opened fire at the Debsirin Nonthaburi School. Students streamed away from the buildings while distraught teachers and family members waited for information outside the gates in the Bang Kruai district, where emergency vehicles and ambulances parked on the sports grounds. Within moments of the initial police deployment, government officials, police spokespersons, and education ministries began issuing conflicting casualty tolls that left the true scale of the tragedy immediately unclear, according to BBC reporting.

Authorities subsequently pieced together a sequence of violence that began before the suspect ever reached the campus. Investigators determined that the 14-year-old ninth-grade student first shot and killed his grandparents at his home, utilizing a 9mm handgun belonging to his grandfather, who was a teacher, according to the BBC and The Guardian. From his residence, the teenager traveled to the school, where gunfire erupted just after 10:00 local time.

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Witnesses inside the school described students barricading themselves inside classrooms as shots echoed across the buildings. A seventh-grade student recounted seeing the gunman move from room to room before opening fire on a teacher standing outside a classroom, according to the BBC.

Reconciling the human toll proved difficult as top officials offered divergent numbers. Royal Thai Police spokesperson Trairong Piwpan initially stated that three teachers and three students were killed at the school, alongside the shooter, according to CBS News. However, Health Minister Pattana Promphat provided a higher estimate, stating that five teachers were killed at the school, which—when combined with the grandparents and the suspect—brought the total death toll to eight, according to the BBC. Other government bodies, including the Ministry of Education, circulated figures citing four total deaths at the school, according to Tempo.

Injured casualty counts varied similarly across agencies. Police and broadcast reports placed the number of wounded at 15, with two in critical condition, according to CBS News and the Mirror, while emergency responders estimated up to 20 injured, according to Tempo. Health Minister Pattana Promphat stated that 22 people were injured with nine in critical condition, noting that some injuries resulted from causes such as falls, according to The Associated Press via CBS News. Conflicting accounts also surrounded the fate of the 14-year-old suspect: while Nonthaburi provincial police commander Lt. Col. Dechrapee Kongdee and Reuters reported that the teenager died by suicide at the scene, according to the Mirror and Tempo, other officials suggested he was hospitalized in serious condition or died later during medical treatment, according to CBS News.

Police and educational staff struggled to reconcile the violence with the profile of the teenager. Deputy Interior Minister Polapee Suwanchawee noted that evidence gathered at the suspect's home indicated he was an avid gamer, according to the BBC, while teachers at Debsirin described him as a good kid with good study records who was not known to be aggressive, according to the BBC.

At a Glance: Debsirin Nonthaburi School Incident

• Date: Friday, August 7, 2026.
• Location: Debsirin Nonthaburi School, Bang Kruai district, northwestern outskirts of Bangkok.

The shooting immediately reignited national debate over firearm accessibility and institutional safety in Thailand, according to the BBC, which maintains high rates of civilian gun ownership despite strict legal penalties for illegal possession, according to the BBC. Prime Minister Anutin Charnvirakul expressed profound dismay during an interview at the government house, according to the Mirror, stating:

"This is really bad, it shouldn't have happened. I don't just feel sorry for the victims but I feel sorry that this happened. How can this happen in our country."

Anutin Charnvirakul, Prime Minister of Thailand, via Daily Mirror

Natthaphong Ruengpanyawut, leader of the opposition People's Party, called on authorities to systematically review the nation's gun control measures following an attack inside an educational institution, writing on Facebook that an act of violence in a school serves as a stark reminder for Thai society to seriously and systematically review gun control measures, according to the BBC. The incident follows a series of high-profile acts of violence in recent years, including a February school shooting in southern Thailand, according to CBS News, and a 2023 shopping mall shooting involving another 14-year-old, according to CBS News.

As investigators continue to process the physical evidence and secure the campus, Thai authorities have yet to officially establish a definitive motive for the attack or finalize a reconciled tally of the dead and injured, according to CBS News.