Mt. Diablo High School Alumni
Concord, California (CA)
Aaron Kaleo
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.
Brandon Da Costa
Class of 2002
Wendy Day
Class of 1976
John Lyn
Class of 1990
Jessica Arce
Class of 2009
Narcissa Lanham
Class of 1989
Mayra Mayra Castañeda
Class of 2005
Michael Grichuhin Michael Grichuhin
Class of 1966
Abby Martini
Class of 2019
Michael Clark
Class of 1967
Maggie Kyer
Class of 1978
Laurel Driscoll
Class of 1976
Greg Messel
Class of 1968
Nancy Castro
Class of 2010
Matt Posey
Class of 1976
Jose Moreno
Class of 2010
Raymond Canning
Class of 1978
John Jones
Class of 1967
Jonathan Steve
Class of 2005
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)