Mt. Diablo High School Alumni
Concord, California (CA)
Bill Seidler
Mt. Diablo High School
Class of 1978
→ 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 1978 Alumni
→ Reunite with 41 class of 1978 alumni that have joined.
Judith Coenen
Class of 1963
Nancy Carr
Class of 1970
Patty Johnson
Class of 1970
Kari Schwarz
Class of 1986
Marni River
Class of 1976
Bob Stark
Class of 1969
Judith Mccartney
Class of 1966
J.c. Kokaisl
Class of 1979
Judy Swett
Class of 1960
Jo Barron
Class of 1967
Tammy Morton
Class of 1982
Duff Kenneth Kendrick
Class of 1972
Frank Schnadarle
Class of 1981
Lyn Gray
Class of 1975
Janet Steers
Class of 1949
Rosenda Pieters
Class of 1984
Miguel Rodriguez
Class of 1997
Greg Messel
Class of 1968
Upcoming Class of 1978 Reunions
Plan a Class of 1978 Reunion for Free
Class of 1969 57th Renunion
Invited Classes: All Classes
Date: Oct 17, 2026
Description: Casual event. No charge,
Recent Class of 1978 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)