Maryvale High School was one of two Phoenix Union High School District schools to pilot an advanced weapons detection system.

Chris Aguilar, 16, spoke little during his initial court appearance in Phoenix, while loved ones of Michael Montoya, 16, ...

Chris Aguilar, 16, is accused of fatally stabbing Michael Montoya, 16, at Maryvale High School on Aug. 19. A knife was ...

Jeremiah Cota, appointed to the Phoenix Union board in June by Maricopa County School Superintendent Shelli Boggs, supports ...

A school safety officer for the high school was alerted by staff that an assault had happened in one of the classrooms, police said.

Family and community gather to remember Michael Montoya, a Phoenix student who was killed. Supporters pay tribute with ...

Chris Aguilar, 16, has been charged with murder in the stabbing death of Michael Montoya II. Aguilar had a 4-inch knife, court records said.

Arizona Superintendent Horne responds to a fatal stabbing at Maryvale High, emphasizing the need for safe schools.

Two students were involved in a stabbing at Maryvale High School, resulting in one death and another in custody.

A student has died after he was stabbed with scissors during a fight at Phoenix's Maryvale High School late Tuesday morning.

1 student dead, another injured in Maryvale High School stabbing. What we know The largest public school district in Arizona is laying off staff.

Newest Phoenix Union board member questions security after Maryvale High School stabbing Finally, monsoon thunderstorms are in the forecast. Does that mean rain for Phoenix?