Horne added that Maryvale has safety plans in place and a school safety officer (SSO) on campus during school hours. The difference between an SSO and a school resource officer (SRO) is that SROs are on school campuses full-time while SSOs are there one day a week, Horne said.

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