The Elementary Teachers' Federation of Ontario is a labour union representing all public elementary school

Elementary school

An elementary school or primary school is an institution where children receive the first stage of compulsory education known as elementary or primary education. Elementary school is the preferred term in some countries, particularly those in North America, where the terms grade school and grammar...

 teachers in the Canadian

Canada

Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 province

Provinces and territories of Canada

The provinces and territories of Canada combine to make up the world's second-largest country by area. There are ten provinces and three territories...

 of Ontario

Ontario

Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....

. The union has 66 local chapters in the province, and over 76,000 members. The union was founded on July 1, 1998 by the merger of two predecessor organizations, the Federation of Women Teachers’ Associations of Ontario (FWTAO), and the Ontario Public School Teachers’ Federation (OPSTF).