Mt. Diablo High School Alumni
Concord, California (CA)
Lon Underwood
Mt. Diablo High School
Class of 1970
→ 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 1970 Alumni
→ Reunite with 63 class of 1970 alumni that have joined.
Kathleen Gomes
Class of 1970
Thomas Hoselton
Class of 1964
William Tener
Class of 1959
Stephanie Rigsby
Class of 1990
Bob Valdez
Class of 1965
Barbara Gordin
Class of 1984
Michael Stahl
Class of 1969
Wendy Day
Class of 1976
Ednna Aguayo
Class of 2006
Aenna Belvin
Class of 1981
Chris Des Marais
Class of 1969
Shelly Sack
Class of 1963
Andy Nguyen
Class of 1990
Carole Lindsey
Class of 1960
William Yount
Class of 1953
Janet (sue) Berger
Class of 1964
Peggy Jones
Class of 1964
Terry Treat
Class of 1961
Upcoming Class of 1970 Reunions
Plan a Class of 1970 Reunion for Free
Class of 1969 57th Renunion
Invited Classes: All Classes
Date: Oct 17, 2026
Description: Casual event. No charge,
Recent Class of 1970 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)
Posted August 22, 2021 Important Update! Class of 1970 - 50th Reunion
Invited Classes: 1970
Date: Oct 16, 2021
Description: CLASS OF 1970 50th+ YEAR CLASS REUNION SATURDAY - October 16, 2021 Noon to 6 PM Where: Concord Museum & Event ...(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)
MDHS Class of 1970 - 40th Class Reunion
Invited Classes: 1970
Date: May 01, 2010
Description: Hawaiian Barbeque Buffet Dinner Casual attire - (note buffet theme!) flyer will be attached soon.