10-Year-Old Detained After 7-Year-Old Stabbed at California Elementary School

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A 10-year-old suspect was detained after a 7-year-old student was stabbed during an after-school program at Bubb Elementary School in Mountain View, California. The victim suffered three stab wounds to the shoulder and was treated at the scene before being released to a parent. The suspect fled the scene but was later identified, tracked to their residence, and detained without incident.

Why it matters

This incident raises concerns about school safety and the need for better mental health resources and support for young students who may be struggling with behavioral or emotional issues. It also highlights the importance of emergency response protocols and coordination between law enforcement and school administrators.

The details

According to police, the stabbing occurred around 3:30 p.m. in the school's play area. Emergency dispatchers received reports of a student being stabbed, and responding officers placed the campus on lockdown while securing the area. The victim was treated at the scene by fire department personnel before being released to a parent. Police recovered a kitchen knife believed to have been used in the attack. The suspect fled before officers arrived, but a patrol officer later identified the suspect from prior contacts. A K-9 unit from the Los Altos Police Department helped track the suspect to their residence, where the child was detained without incident.

• The incident occurred around 3:30 p.m. on Wednesday, March 13, 2026.
• The suspect was detained at their residence following the attack.

What’s next

The suspect will undergo evaluation and treatment through Pacific Clinics, Santa Clara County's juvenile mental health services provider.