Glendale Union High School District is honored and proud to be the leader of educational excellence in the Metropolitan Phoenix area. Its commitment to student achievement and focus on continuous improvement has been recognized locally and nationally. GUHSD is known for having some of the highest-rated public high schools in Maricopa County. Its national accolades include being recognized as the Advanced Placement National District of the Year by the College Board. Its schools are consistently listed among America's Top High Schools by U.S. News & World Report.

Glendale Union High School District's mission, "To Empower All Students for the Choices and Challenges of the Twenty-first Century," is embraced by parents, students, teachers, and administrators who work together to realize a community of excellence.