Teacher unions were created as a way to combine the voices of teachers so that they could better bargain with school districts and protect their own interests.
Joining a union does provide legal protection and other benefits. However, some teachers do not wish to join because of the costs and other perceived issues with union membership. Read more about the costs and benefits of membership in the American Federation of Teachers.
It is also important to note that not all schools and school districts have union representation. In order for a union to be represented in a district, certain requirements must be met including the number of teachers who are willing to join from the beginning. This does not mean that you cannot have some of the benefits of union membership in these districts. The AFT provides teachers with an associate membership that provides certain benefits.
Learn more about the American Federation of Teachers.

