2015-19 CUSD-CEA  (Cupertino Education Association)  (rev: Mar 2019; including ratified agreements from 12/18)

2015-18 CUSD-CSEA  (California School Employees Association, Cupertino Chapter 13)  (rev: July 2018; including ratified agreements from 05/18)

CUSD-SEIU  (Local 521, Service Employees International Union, CTW/CLC)