Hillsdale High School Alumni
San Mateo, California (CA)
Heather Costes
Hillsdale High School
Class of 1989
→ Join 3880 Alumni from Hillsdale High School that have already claimed their alumni profiles.
→ There are 62 classes, starting with the class of 1955 all the way up to class of 2022.
HEATHER'S PROFILE
| First Name | Heather |
| Last Name | Costes |
| Graduation Year | Class of 1989 |
| Gender | Female |
| City | N/A |
| State/Province | CA |
| Country | United States |
| Occupation | Documentation Engineer Sr |
| Married | No |
| About Me | I work at an Aerospace company in Sunnyvale. |
Class of 1989 Alumni
→ Reunite with 81 class of 1989 alumni that have joined.
Louis Richardson
Class of 1959
Ahmed Elmosely
Class of 2007
Robert Giras
Class of 1972
Donna Wagoner
Class of 1972
Mary-susan Oliver
Class of 1963
Linda Reyna
Class of 1967
John Hall
Class of 1982
Plate Ray
Class of 1962
Paul Kubin
Class of 1987
Stacey Tanaka
Class of 1995
Christina Vernagelli
Class of 1989
Tarah Fontes
Class of 1993
Nancy Benedict
Class of 1964
Jamie Donadio
Class of 1993
Carol Chao
Class of 2000
Lance Weibel
Class of 1990
Carolyn Corwin
Class of 1960
Kenneth Leijon
Class of 1973