Hillsdale High School Alumni
San Mateo, California (CA)
Heather Costes
Hillsdale High School
Class of 1989
→ Join 3867 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 80 class of 1989 alumni that have joined.
Fran Lowenhardt
Class of 1970
Paul Bogel
Class of 1975
Charles Sickels
Class of 1995
Debra Ingle
Class of 1974
Jonathan Desilva
Class of 1996
Bob Burnham
Class of 1973
Brian Pon
Class of 1986
John Hall
Class of 1982
Kathleen Sellers
Class of 1961
Robert Reinke
Class of 1967
Leonard Marque
Class of 2006
Richard Geiger
Class of 1963
Olivia Li
Class of 2005
Whitney Wherrett
Class of 1965
Colleen Stemple
Class of 1989
Roger Sherwin
Class of 1977
Irving Fong
Class of 1969
Robert Baird
Class of 1978