Unionized SF teachers approve strike by 97.6% vote, could come Wednesday

The union representing more than 6,000 San Francisco public school employees voted over the weekend to authorize a strike to win improvements in compensation and working conditions.

The United Educators of San Francisco voted 97.6% to give its negotiators the power to call the first strike by the city’s teachers in 47 years, the union said. The 1979 strike last seven weeks.