Last names starting with "O"
- Casey O'Brien
- Class of 1974 Shirley OBerry
- Class of 1992 Kelly Obrien
- Class of 1986 Lora Odell
- Class of 1969 Diana Ohme (now White)
- Class of 1963 Terry Okerblad
- Class of 1974 John Olson
- Class of 1984 Mike OMalley
- Class of 1995 Sarah Opferman
- Class of 1991 Brandon Orlando
- Class of 1979 William Orloff
- Class of 1951 Carol Ortego
- Class of 1972 Ilona Ostorcheani
- Class of 1999 Theresa Ostrowski
- Class of 2001 Erica Owens
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About the St Charles High School Alumni Directory
If you attended St Charles High Saint Charles, IL linois 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 St Charles HS 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.