Provincial representatives from the Ontario Secondary School Teachers' Federation (OSSTF), representing secondary teachers and secondary occasional teachers in the Rainy River District School Board, provided notice on April 25, 2016, of strike action in the form of weekly full withdrawal of services one-day per week, commencing April 27, 2016.
https://www.rrdsb.com/sites/www.rrdsb.com/files/newsitems/042516_OSSTF_1.pdf