Last names starting with "O"
- Class of 1987 Ann O'Brien (now Ahern)
- Class of 1971 Evelyn O'Brien (now Shaw)
- Class of 1986 Rodney O'Connor
- Class of 1979 Jenny Ogletree
- Class of 2000 Brandon Ohanlon
- Class of 2003 Shannon OHanlon
- Class of 1971 Arlene Olander
- Class of 1994 Ronald Oliveros
- Class of 2004 Monte Olvera
- Class of 2015 Alexis Orman
- Class of 1961 Harriet Ormsbee
- Class of 1991 Geneva Osborne
- Class of 2002 Marybeth Ospital
- Class of 1982 Karen Ost
- Class of 1997 Jason Owen
- Loni Owsley
Looking for Calaveras High School alumni not listed? If so, check out Classmates.com® - hundreds of more CHS alumni have posted their profiles.
About the Calaveras High School Alumni Directory
Check out all of the names of the Calaveras High School alumni that attended high school in San Andreas that are listed above. Registering will allow you to join the directory. While you are reminiscing about the times you spent in high school at Calaveras High School, you should also check out alumni photos, yearbook listings and share any reunion info if possible.