
Tragedy struck San Ysidro High School this morning when a teenage girl was violently attacked in what police have described as a targeted stabbing incident. According to NBC San Diego, the girl, believed to be between the ages of 15 and 16, suffered multiple stab wounds in a classroom before the assailant fled the scene. The San Diego Police Department confirmed that the victim was receiving treatment in the hospital, but her condition remained undisclosed.
School security protocols were immediately enacted, with the campus being locked down for the safety of students and staff. It was nearly two hours later, around 11:00 AM, that a male suspect was taken into custody, as reported by The San Diego Union-Tribune. The suspect was found in an administration building on campus at 5353 Airway Road, according to police sources. The quick response by law enforcement included a canine search and the review of surveillance footage.
Details regarding the motive behind the stabbing remain speculative; however, some witnesses suggested that the incident might have originated from a relationship breakup. SDPD spokesperson Cesar Jimenez could not confirm these reports. The suspect's identity has not been released, as the incident is still under investigation. Officer Colin Steinbroner of the San Diego Police Department articulated that they believed the attack to be targeted.
Addressing the concerns of parents, Jimenez stated, per NBC San Diego, "We understand your concern. We do believe this an isolated incident. There are no other students who have been hurt." In a social media update, the San Diego Police Department echoed this sentiment, reassuring the public that the individual detained was a person of interest and that there appears to be no ongoing threat to students or staff. The investigation into the stabbing continues as the community grapples with the violence that interrupted a typical school day, shaking the sense of safety inherent in educational institutions.
🚨🚨SDPD UPDATE 11:20am 12/10/25🚨
— San Diego Police Department (@SanDiegoPD) December 10, 2025
Earlier this morning a female student was stabbed on the campus of San Ysidro High school.
SDPD is currently investigating the incident on scene.
At this time, a person of interest has been detained. We believe this in an isolated incident…









