Mt. Diablo High School Alumni
Concord, California (CA)
Steven Sefers
Mt. Diablo High School
Class of 1964
→ Join 2506 Alumni from Mt. Diablo High School that have already claimed their alumni profiles.
→ There are 77 classes, starting with the class of 1930 all the way up to class of 2025.
Class of 1964 Alumni
→ Reunite with 59 class of 1964 alumni that have joined.

Joan Dickson
Class of 1967

Carol Cuneo
Class of 1978

Norman Mickey
Class of 1957

Dennis Agostino
Class of 1961

Stephani Woolf
Class of 1964

Thomas Shatswell
Class of 1970

Rosenda Pieters
Class of 1984

Patricia (jody) Ransom
Class of 1980

Wayne Holt
Class of 1969

William Conkie
Class of 1980

Catherine Winburn
Class of 1974

Don Defesi
Class of 1967

Rose Nyberg
Class of 1989

Jim Cooper
Class of 1961

Peggy Flagg
Class of 1964

Tom Zappas
Class of 1978

Johanna Estrada
Class of 2012

Kathleen Groves
Class of 1983

Carol Machholz
Class of 1969

Rachel Albin
Class of 1984

Michael Bleiweiss
Class of 1995

Jim Ainsworth
Class of 1970

Roberto Bello
Class of 2000

Jasmine Jasmine Nicole Rantissi
Class of 2019
Recent Class of 1964 Reunions
Plan a Class of 1964 Reunion for Free
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)
CLASS OF '64 50th REUNION
Invited Classes: 1964
Date: Sep 19, 2014
Description: SCHEDULE OF EVENTS: 1. FRIDAY 9/19/14 6:00pm - 10pm (or longer....) MEET N GREET @ Concord Hilton Lobby/Patio 2. S...(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 had suc...(read more)
Annual Class of '64 Meet & Greet (prior to picnic on the 21st)
Invited Classes: 1964
Date: Sep 20, 2013
Description: This is our annual Meet & Greet prior to our picnic on Saturday the 21st. This is a new location this year so make...(read more)
3rd Annual Reunion Picnic
Invited Classes: 1964
Date: Sep 22, 2012
Description: 3rd Annual Picnic! Open to all MDHS Alumni, but sponsored by MDHS Class of '64 50th Reunion Committee. Bring your pincn...(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 50th Reunion...(read more)
2nd Annual meet & greet and picnic
Invited Classes: 1964
Date: Oct 01, 2011
Description: NOTE: We are asking for $10 donations to offset the cost of the park and build "coffers" for the 50th reunion...(read more)