Mt. Diablo High School Alumni
Concord, California (CA)
Martha Valdivia
Mt. Diablo High School
Class of 1998
→ Join 2574 Alumni from Mt. Diablo High School that have already claimed their alumni profiles.
→ There are 80 classes, starting with the class of 1930 all the way up to class of 2025.
Class of 1998 Alumni and Other Nearby Classes
→ Reunite with 16 class of 1998 alumni that have joined.
Roshane Harris
Class of 1989
William Macdougall
Class of 1975
Richard Cadenasso
Class of 1957
Molly Bennett
Class of 1974
Donald Leyden
Class of 1988
Grant Juelfs
Class of 1969
Hoang Phan
Class of 2012
Mindy O'dwyer
Class of 2003
Jim Demeny
Class of 1970
Jane Walton
Class of 1978
Kurt Cannata
Class of 1979
Jacquelin Jewett
Class of 1958
Arlene Berdiago
Class of 1986
Mario Elling
Class of 2006
Ron Terry
Class of 1959
Diane Aguillon
Class of 1968
Richard Stickney
Class of 1968
Bonnie Turner
Class of 1983
Upcoming Class of 1998 Reunions
Plan a Class of 1998 Reunion for Free
Class of 1969 57th Renunion
Invited Classes: All Classes
Date: Oct 17, 2026
Description: Casual event. No charge,
Recent Class of 1998 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)