The union and the transit agency have not resumed negotiations on a new contract. The former contract expired March 10 without a contract agreement, prompting workers to strike.
Members of the California Faculty Association approved a two-year agreement that the union and administration hammered out after a strike last month that lasted one day.
Teachers at the six high schools in the Campbell district received a $5,000 one-time payment last year. The teachers' union wants that raise to be permanent, plus a permanent 4% increase.