Hillsdale High School Alumni

San Mateo, California (CA)

Military Alumni

Military High School Alumni

Honoring Our Heroes

This area is dedicated to our alumni that have served or are serving in our armed forces!

Lost Class Rings

Have you lost your Hillsdale High School class ring? Have you found someone's class ring? Visit our Knights lost class ring page to search for your class ring or post information about a found ring.

Alumni Stories

Claire Trevenen Maxwell
Claire Trevenen Maxwell
Class of 1981
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Nick Vanos
Nick Vanos
Class of 1981
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Steve Friedman
Steve Friedman
Class of 1974
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Valerie Flemming
Valerie Flemming
Class of 1994
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Classmates Spotlight

Hillsdale High School Classmates

Mary Peterson
Class of '69

School News

Class of 1969 50th Reunion - October 19

When: Saturday, October 19, 6-11PM
Where: Doubletree by Hilton SFO Burlingame
Cost: $100 per person for di...
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Your fellow Knights want to know what you have been up to since you left the halls of Hillsdale High School. Submit your own holiday stories, achievements and photos in our Alumni Stories section. Read other classmate’s stories and see what they have been up to over the years.