Mt. Diablo High School Alumni
Concord, California (CA)
Leticia De Santos (Leticia Quezada)
Mt. Diablo High School
Class of 1989
→ Join 2562 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.
Angela Natividad
Class of 2002
Rhonda Condon
Class of 1988
Nila Gardner
Class of 1973
Cathryn Murray
Class of 1994
Edward Barrett
Class of 1964
Thomas Roller
Class of 1999
Anne Smythe
Class of 1978
David Refoua
Class of 2004
John Hartmann
Class of 1973
John Hawley
Class of 1959
Mary Lea
Class of 1961
Sonia Meadors
Class of 1987
Lyndsie Lopez
Class of 2010
James Stanley
Class of 1972
Randall Pfyl
Class of 1968
Bernadette Pettit
Class of 1980
Honnee Luth
Class of 1977
Jennifer Sohnrey
Class of 1993
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)