OPSTF

AcronymDefinition
OPSTFOntario Public School Teachers' Federation (Canada)
References in periodicals archive ?
Bob served on the executive of Northumberland & Clarington OPSTF and Kawartha Pine Ridge ETFO for twenty-five consecutive years, chairing a variety of committees and serving as both second and first vice president over the years.
The labour heavies heading the Federation of Women Teachers of Ontario, Ontario Public School Teachers Federation (OPSTF) and L' Association des Enseignants Franco-Ontariens broke ranks with the Common Front of teacher unions, ordering their members back to classrooms.
One OPSTF head was named Phyllis Benedict 'Arnold.' Many teachers said they would defy their provincial federations and refuse to return to the classroom.