It is run by the Armenian General Benevolent Union and privately financed through student tuitions, donors, fundraising events, sporting venues, etc.

In 1975, AGBU Life President Mr. Alex Manoogian approved the proposal to establish an AGBU-sponsored school in southern California.

As enrollment continued to increase, reaching 300 students in 1985, the search for a permanent school facility was initiated, once again enjoying the encouragement of Mr. Alex Manoogian.

Once again Mr. Alex Manoogian pledged finance and commissioned Detroit architect Mr. Osep Sarraf to come up with a conceptual design.

It consisted of a high school building of twenty classrooms, labs and faculty rooms; a gymnasium-multi-purpose hall and cafeteria structure; and subterranean and surface parking for 200 cars.

Philanthropists Mr. & Mrs. Sarkis and Seta Demirdjian of Lebanon made a donation of $1.25 million which, when added to the original construction fund capital of $2.5 million donated by Mr. Alex Manoogian, was sufficient to bring the high school and parking phase of the expansion project to completion before school reopened in September, 1992.

The last phase of the expansion project, the gymnasium-cafeteria complex, was completed a year later thanks to the one million dollar donation by AGBU donors the Nazarian brothers, Nazar, Noubar and Garbis, of New Jersey and Lebanon.

Thanks to a fund raising effort, all classrooms are equipped with SMART Boards, in addition to Elmo projector units and computers.

The boys Varsity soccer team has won back-to-back CIF International league Championships from 2004 to 2009 under coach Tigran Ekimian.

The boys varsity flag football team became champions with an undefeated 13-0 record in 2016 under coach Jack Keshishian.