Granada Hills Charter High School (often called "GHCHS" or "Granada") is an independent public school consisting of over 4,200 students in grades 9–12, located in the Los Angeles neighborhood of Granada Hills. It currently holds the record as the top comprehensive public senior high school in Los Angeles and the largest charter school in the nation. Granada also has a high Academic Performance Index (API) score of 878, which greatly exceeds the target API score of 800 for all schools in California. On April 12, 2011, Granada was named a 2011 California Distinguished School. On December 22, 2011, Granada became an International Baccalaureate World School.