When did public school teachers become unionized
Texas is a "right to work" state, meaning that teachers cannot be forced to join a union or professional organization. The penalty for teachers who go on strike in Texas is revocation of teaching certification.
Polish Teachers' Union was created in 1930.
Queensland Teachers Union was created in 1889.
National Union of Teachers was created in 1870.
Union of Women Teachers was created in 1909.
Fiji Teachers Union was created in 1929.
It's not clear - I think you mean, "Either the students or the teachers can join." Or perhaps you mean, "Both students and teachers can join."
It depends upon the country. In Australia, for example, union membership is not required.
Nova Scotia Teachers Union was created in 1895.
National Union of Women Teachers was created in 1920.
Spokane Teachers Credit Union's population is 400.
Spokane Teachers Credit Union was created in 1934.