Police say a student was arrested after "joking" he had a gun and was going to shoot another student at Maryvale High School Friday afternoon.
Police say a teacher witnessed a 15-year-old boy saying he was going to shoot another student.
The school was placed on lockdown as Phoenix police officers responded.
The student was arrested and no gun was found, according to police. He told police he was "joking," police say.
School Principal Shakira Simmons said in a letter to families that the school was placed on a temporary lockdown on Friday due to suspicion of a weapon on campus, but added no weapon was found.
Police are recommending a charge of disrupting the operation of an educational institution.
Maryvale High School is at 59th Avenue north of Osborn Road.
