Hillsdale High School Alumni
San Mateo, California (CA)
Heather Costes
Hillsdale High School
Class of 1989
→ Join 3868 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.
Robin Hemmick
Class of 1970
Laurie Williams
Class of 1971
Emily Bates
Class of 1990
Laura Bush
Class of 1989
Linda Chang
Class of 1996
Christopher Villela
Class of 1992
Nancy Hart
Class of 1957
Ehren Ehren J Oertell
Class of 1999
Ginny Hauswirth
Class of 1973
Josh Bradley
Class of 2002
Kasey Christman
Class of 1991
John Gazecki
Class of 1969
Albert Duncalf
Class of 1989
Bruce Packman
Class of 1960
Jay Rock
Class of 1977
Maral Kochayan
Class of 1998
Dan Mcelroy
Class of 1977
Maureen Monge
Class of 1996