Then, in 1935, the Saskatchewan provincial government passed legislation requiring all teachers to be members of the organization.

[6] In July 2023, negotiations between the STF and the Saskatchewan provincial government came to a standstill, with the STF criticizing the provincial government for its "lack of movement" on what they considered to be the biggest issues in the Saskatchewan education system: class size and complexity.

[9] On October 27, 2023, a large majority of teachers in Saskatchewan voted in favour of job sanctions, with STF president Samantha Becotte saying that the province had refused to budge on certain matters and had shut down nine out of ten proposals during collective bargaining talks.

[10] The following year, in early January 2024, the union announced a strike, following a third-party conciliator report suggesting teachers and the provincial government "could bargain class size and complexity", something the government has insisted is not up for negotiation, preferring instead to focus on compensation.

[13][14] On April 12, 2024, the union announced their plans to pause all job sanctions in the province after returning to the bargaining table.