Oak Park Teacher's Association is comprised of approximately 500 educators who work to support the students and community of Oak Park, Illinois. Members of the OPTA are supported by the Illinois Education Association (IEA), which is an affiliate of the National Education Association (NEA). The purpose of the OPTA is to advance public education in Oak Park and Illinois and to promote the welfare of OPTA members.
IEA is an association of more than 135,000 members composed of Illinois elementary and secondary teachers, higher education faculty and staff, educational support professionals, retired educators and college students preparing to become teachers. The Mission of the IEA is to effect excellence and equity in public education and to be THE advocacy organization for all public education employees.