Founded in 1854, the Indiana State Teachers Association (ISTA) is one of the oldest professional educator organizations in the United States. With nearly 40,000 members, it represents teachers and education professionals across Indiana, operating from its base in Indianapolis.
ISTA's mission centers on sustaining quality public education, improving student outcomes, and ensuring educators have a collective voice in shaping education policy. The organization advances the professional status of educators and advocates for improved educational opportunities for students throughout the state.
The association provides a range of services to its members, including contract bargaining, legal support, and legislative advocacy. It also offers professional development programming through ISTA Academy, as well as member benefits such as insurance and liability coverage. With over 170 years of continuous operation, ISTA remains a central institution in Indiana's public education landscape.






