Last names starting with "O"
- Class of 1992 Johanna Obando
- Class of 1971 Ruben Obegon
- Class of 1979 Lisa Obregon
- Class of 1971 Ruben Obregon
- Class of 2003 David Ochoa
- Class of 1998 Sheree Ochoa
- Class of 1984 Michael Oglesbee
- Class of 1990 Ubaldo Olague
- Class of 1999 Miguel Olivares
- Class of 2003 Paul Oliveria
- Class of 1974 Gloria Ontiveros
- Class of 2003 Raymond Orgeron
- Mayra Ornelas
- Class of 1975 Miriam Ortix
- Class of 1995 Rafael Ortiz
- Class of 1976 Kathy Owens
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About the Gladstone High School Alumni Directory
If you attended Gladstone High Azusa, CA lifornia and want to be added to the alumni directory register now to add your name to the alumni list. If you are an alumn of Gladstone you should register now in the alumni directory. We also encourage you to interact with the rest of the alumni on this site. You can find old friends, share photos and stay updated on the latest school news.