Castlemont High School - Class of 2021 Alumni, Oakland CA

Join thousands of alumni from Castlemont High School and the Class of 2021. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Varsity Football Schedule 2026-27

08/27 vs Bishop O'Dowd
09/04 vs Dorsey
09/11 vs Menlo School
09/18 vs Saint Mary's
10/09 vs Fremont
10/15 vs Oakland Tech
10/29 vs McClymonds

'21 Reunion Info

Castlemont all classes reunion

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Castlemont '21 Apparel

Browse our apparel store for a wide range of Mighty Knights gear, from t-shirts and hoodies, to caps and accessories.

Class Yearbook

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Connect with Class of 2021 Classmates

Alex Martinez

Nearby Castlemont Classmates

Class of 2019

3 classmates have joined

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