Arnold O. Beckman High School is a public school in Irvine, California serving 2,443 students from grades 9 through 12. The $69-million facility was opened on August 30, 2004. The school is commonly known as Beckman and was named after Arnold O. Beckman, a scientist, chemist, and philanthropist, . The school is in the Tustin Unified School District. In 2007 and again in 2011, the California State Board of Education awarded Beckman High School the status of a California Distinguished School. The school serves the communities of Tustin, Santa Ana, Tustin Ranch, Northpark, Northwood, Sheridan, and West Irvine.