Pioneer High School Alumni
San Jose, California (CA)
Tammy Thompson-zidar (Tammy Thompson)
Pioneer High School
Class of 1975
→ Join 2520 Alumni from Pioneer High School that have already claimed their alumni profiles.
→ There are 66 classes, starting with the class of 1956 all the way up to class of 2025.
Class of 1975 Alumni
→ Reunite with 51 class of 1975 alumni that have joined.
Kim Hammer
Class of 1972
Denise Heinrichsen
Class of 2001
Ismael Ismael
Class of 1991
Lloyd Attaway
Class of 1976
Mary Ann Mary Ann Taylor
Class of 1973
Khuong Tran
Class of 1996
Gary Pilon
Class of 1967
Valerie Tiffany Barr
Class of 1968
Shae Spilker
Class of 1991
Christina Quaresma
Class of 1992
George Paplos
Class of 1985
Lee Silva
Class of 1969
David Collier
Class of 1985
Ronnie Rodriguez
Class of 1986
Bruce Regadanz
Class of 1970
Sondra Calderon
Class of 2022
Dennis Sargent
Class of 1970
Lisa Burks
Class of 1974
Upcoming Class of 1975 Reunions
Plan a Class of 1975 Reunion for Free
Pioneer Class of 1975 - 50th Reunion
Invited Classes: 1975
Date: Sep 20, 2025
Description: Please register at: www.pioneermustangs75.com to receive updates & ticket information. The Main Event:- Class of...(read more)
Recent Class of 1975 Reunions
Pioneer-Class of 1974 40th Reunion Open to all
Invited Classes: All Classes
Date: Jul 12, 2014
Description: Pioneer’s Class of ’74 would like to invite our alumni to join us as we celebrate our 40-year Reunion on Jul...(read more)