Arnold O. Beckman High School is a public school in Irvine, California, United States, serving 3,013 students from grades 9 through 12. The original $94 million facility was opened on August 30, 2004. The World Languages Building - a new, $17 million, two-story, 30,000-square-foot facility - was unveiled on September 1, 2015. The school is commonly known as Beckman and is named after Arnold Orville Beckman: a scientist, chemist, and philanthropist famed for inventing the pH scale during his tenure at Caltech and funding Silicon Valley's first semiconductor company.

Irvine is the largest city and a master-planned city in central Orange County, California, United States, in the Los Angeles metropolitan area. The Irvine Company started developing the area in the 1960s and the city was formally incorporated on December 28, 1971. The 66-square-mile (170 km2) city had a population of 307,670 at the 2020 census; it is the 63rd most populous city in the United States.