2015-19 CUSD-CEA (Cupertino Education Association) (rev: Sep 2019; including ratified agreement from 05/19)
2018-21 CUSD-CSEA (California School Employees Association, Cupertino Chapter 13)
2015-18 CUSD-SEIU (Local 521, Service Employees International Union, CTW/CLC) (rev: Apr 2019)