AGBU Vatche & Tamar Manoukian High School is a private Armenian-American school located in Pasadena, California, USA, which opened its doors in September 2006. It is owned and operated by the Armenian General Benevolent Union, the largest Armenian philanthropic organization in the diaspora that also sponsors 17 Armenian day schools around the world. The school is administratively and academically affiliated with AGBU Manoogian-Demirdjian School, a college preparatory high school in the San Fernando Valley region of Los Angeles.