On August 19, 2025, a stabbing incident occurred at Maryvale High School in Phoenix, Arizona, resulting in the death of 16-year-old student Michael Montoya II. The altercation took place inside a classroom and involved a fight between two male students. Montoya was stabbed multiple times with a folding pocketknife and was pronounced dead after being hospitalized. Another student sustained non-life-threatening injuries and was also taken to the hospital. The suspect, identified as 16-year-old Chris Aguilar, was taken into custody and is being charged as an adult with second-degree murder, with the possibility of facing additional charges. The school was placed on lockdown following the incident, and an investigation is ongoing. Maryvale High School and Phoenix city officials have responded by offering resources and support to students and families affected by the tragedy. A vigil was held on August 23 to honor Montoya, drawing hundreds of community members. The incident has raised concerns about campus safety and communication protocols among parents and local authorities.