Mt. Diablo High School Alumni
Concord, California (CA)
Rhonda Gladwish (Rhonda Michardi)
Mt. Diablo High School
Class of 1974
→ Join 2565 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 1974 Alumni
→ Reunite with 41 class of 1974 alumni that have joined.
Karla Smith
Class of 1963
Valentin Alvarado
Class of 2000
Robert King
Class of 2015
Roger Allen
Class of 1976
Howard Johnson
Class of 1961
Terri Phillips
Class of 1983
Larry Elsberry
Class of 1978
Meleki Pongia
Class of 2005
Jan Norman
Class of 1964
Ervin Hotz
Class of 1957
Teri Osterman
Class of 1975
David Brubaker
Class of 1954
Richard Castellano
Class of 1965
Steven Sefers
Class of 1964
Rich Thomas
Class of 1975
Phillip Trapp
Class of 1980
David Lehman
Class of 1964
Patricia Bergman
Class of 1970
Upcoming Class of 1974 Reunions
Plan a Class of 1974 Reunion for Free
Class of 1969 57th Renunion
Invited Classes: All Classes
Date: Oct 17, 2026
Description: Casual event. No charge,
Recent Class of 1974 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)