About CAS

California Associate Staff (CAS) is the exclusive bargaining entity for Associate Staff employed by the California Teachers Association. CAS was incorporated in 1971.

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About NSO

NSO is the the world’s largest union of union staff. It has grown from a mere 35 members in a handful of states in 1969, to 4,093 (as of August 2018) from 89 affiliates in 50 states.

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About CTA

Founded in 1863, the California Teachers Association has become one of the strongest advocates for educators in the country.

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