Last names starting with "O"
- Class of 2011 Blaine O Connor
- Class of 2011 Alicia Obstarczyk
- Class of 2011 Blaine OConnor
- Class of 2014 Laura Odermatt
- Class of 2010 Takeya Ohno
- Class of 2006 Renae Ojeda (formerly Torcuato)
- Class of 2011 Alex Olguin
- Class of 2009 Kristina Olson
- Mark Omera
- Class of 1950 William Oneill
- Class of 2010 Jose Oregon
- Class of 2007 Marissa Ornelia
- Class of 2006 Ignacio Ortega
- Class of 2009 Elva Ortiz
- Class of 2009 Miguel Ortiz
- Arcadio Ortuno
Looking for Mission Hills High School alumni not listed? If so, check out Classmates.com® - hundreds of more MHHS alumni have posted their profiles.
About the Mission Hills High School Alumni Directory
Check out all of the names of the Mission Hills High School alumni that attended high school in San Marcos that are listed above. Registering will allow you to join the directory. If you are an alumn of MHHS 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.