AGBU Manoogian-Demirdjian School is an Armenian-American private school located in Winnetka, Los Angeles, California, United States. It was founded in 1976 as Saint Peter-AGBU. Initially there were 19 students and a staff of three teachers. It is financed and run by the Armenian General Benevolent Union. With about 680 students, it is the second largest Armenian private school in the Greater Los Angeles area.