Mt. Diablo High School Alumni
Concord, California (CA)
Leticia De Santos (Leticia Quezada)
Mt. Diablo High School
Class of 1989
→ Join 2567 Alumni from Mt. Diablo High School that have already claimed their alumni profiles.
→ There are 78 classes, starting with the class of 1930 all the way up to class of 2025.
Class of 1989 Alumni
→ Reunite with 32 class of 1989 alumni that have joined.
Betty Smith
Class of 1956
Jeremy Frye
Class of 1992
Tammy Morton
Class of 1982
Mitch Sousa
Class of 1969
Tom Mckenna
Class of 1973
Lisa Best
Class of 1979
Ron Terry
Class of 1959
Terry Davis
Class of 1973
Rog Brown
Class of 1982
Doran Long
Class of 2005
Howard Radcliffe
Class of 1981
Ronnie Quichocho
Class of 1985
Victoria Victoria Eiaknger
Class of 2011
Jimmy Johnson
Class of 1987
Rick Parker
Class of 1973
Don Defesi
Class of 1967
David Jones
Class of 1973
Cathryn Murray
Class of 1994
Upcoming Class of 1989 Reunions
Plan a Class of 1989 Reunion for Free
Class of 1969 57th Renunion
Invited Classes: All Classes
Date: Oct 17, 2026
Description: Casual event. No charge,
Recent Class of 1989 Reunions
CLASS OF 1972 MT. DIABLO HIGH SCHOOL REUNION
Invited Classes: All Classes
Date: Sep 09, 2023
Description: CLASS OF 1972 MT. DIABLO HIGH SCHOOL REUNION JOIN US TO CELEBRATE 50+ years! SATURDAY SEPTEMBER ...(read more)
5th Annual All Alumni Picnic Sponsered by Class of 1964
Invited Classes: All Classes
Date: Sep 21, 2014
Description: Asking $10.00 donation to offset cost of park Bring your own lunch and drinks. We have had lots of fun in past years w...(read more)
4th Annual Class Picnic sponsored by Class of 1964
Invited Classes: All Classes
Date: Sep 21, 2013
Description: Sponsored by the class of '64 we are inviting all classes to join us. This is our 4th annual picnic and we have ha...(read more)
Alumni reuion picnic
Invited Classes: All Classes
Date: Sep 22, 2012
Description: 3 annual class picnic (Class of '64) ! This is our 3rd annyual "Class of '64 picnic leading up to our 50...(read more)