OSSTF Leader Liz Barkley – Toronto Secondary School Teachers’ Strike Pictured here is Liz Barkley, a feminist, union organizer, and leftwing who emerged as a strong leader during the 1975 secondary school teachers’ strike in Toronto. Liz was later elected to the Provincial Executive of the Ontario Secondary School Teachers’ Federation and served as President in the 1990s. Metadata Title: OSSTF Leader Liz Barkley – Toronto Secondary School Teachers’ Strike Date: 1975 Region: Ontario City/Town: Toronto