Hillsdale High School Alumni
San Mateo, California (CA)
Heather Costes
Hillsdale High School
Class of 1989
→ Join 3811 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 classmates that have joined.
Therese Hanni
Class of 1979
Peter Berg
Class of 2003
Mitzi Thompson
Class of 1991
Carl Magnus
Class of 1983
Mark Bernard
Class of 1982
Kim Rytter
Class of 1987
William Mott
Class of 2004
Eileen Bader
Class of 1992
Lee Ann Maley
Class of 1968
Craig Silliven
Class of 1969
Marc (william) Brown
Class of 2000
George Ewers
Class of 1965
Tom Richardson
Class of 1971
Mark Shelton
Class of 1995
Carla Waits
Class of 1963
Janelle Huston
Class of 1996
Don Cluff
Class of 1971
Barbara Crouch
Class of 1966
Armand Casanova
Class of 1973
Andrew Mendlin
Class of 1984
Marilyn Gambill
Class of 1967
Julie Rader
Class of 1971
Shawn Beavers
Class of 1988
Erika Flynn
Class of 2003