Father Leo J. Austin Catholic Secondary School

The Regional Municipality of Durham (), informally referred to as Durham Region, is a regional municipality in Southern Ontario, Canada. Located east of Toronto and the Regional Municipality of York, Durham forms the east-end of the Greater Toronto Area and part of the Golden Horseshoe region. It has an area of approximately 2,500 km2 (970 sq mi). The regional government is headquartered in Whitby. The southern portion of the region, on Lake Ontario is primarily suburban in nature, forming the eastern end of the 905 area code belt of suburbs around Toronto. The northern area comprises rural areas and small towns. The city of Pickering, town of Ajax and the township of Uxbridge are part of the Toronto Census Metropolitan Area, while the communities of Oshawa, Whitby, and Clarington comprise the Oshawa Census Metropolitan Area.

The Durham District School Board (DDSB, known as English-language Public District School Board No. 15 prior to 1999) is a public school board in the province of Ontario, Canada. The board serves most of the Regional Municipality of Durham, except for schools within the Municipality of Clarington, which instead belong to the Kawartha Pine Ridge District School Board. The Durham District School Board Education Centre head office is based in Whitby. The school board has families of schools Pickering, Ajax, Whitby, Oshawa, and Brock-Uxbridge-Scugog, each of which has two trustees except Oshawa, which has three. Three student trustees, using a non-binding, recorded vote, represent the region of Durham. In total the school board has more than 7000 staff who serve approximately 46,000 elementary and 24,000 secondary school students. Previously known as the Ontario County Board of Education, the board was known as the Durham Region Board of Education when it came into existence in 1974. The DRBE was renamed to the Durham District School Board in 1998 and francophone schools that were managed by this board are now part of Conseil scolaire Viamonde. A unique program to the Durham District School Board that is running in a number of its secondary schools is called the Culture of Peace Committee, which works on a wide variety of social and humanitarian issues within the schools and in the community. The Durham District School Board operates a gifted program in select schools. This program for students in grades 4–12 entails material being taught at an accelerated rate. Acceptance into the program is based on ranking in the top 1% of a test in mathematics, logic and literacy during grade 3.

Sinclair Secondary School is located in Whitby, Ontario and opened in 1994. Serving both Special Education and French Immersion students, the school is recognized for its strong academic reputation and remains the highest ranked school in the Durham Region, according to the Fraser Institute's Ontario Secondary School Report Card program.

St. Matthew the Evangelist Catholic School (St. Matthew) is a coeducational, Catholic, elementary school in Whitby, Ontario, managed by the Durham Catholic District School Board. St. Matthew is located in Willowbrook Drive near Ormiston Public School. It was named after St. Matthew the Evangelist, one of the 12 Apostles Jesus chose. Today, St. Matthew serves students from Junior Kindergarten to 8th grade.St. Matthew the Evangelist School is a feeder school for Father Leo J. Austin Catholic Secondary School and All Saints Catholic Secondary School.

Whitby—Oshawa was a federal electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 2004. Following the 2012 federal electoral boundaries redistribution, the bulk of the district became part of the new Whitby district, while parts of it will be transferred to Oshawa and Durham.

Whitby—Oshawa was a provincial electoral district in Ontario, Canada, that was represented in the Legislative Assembly of Ontario from the 2007 provincial election until 2018. The riding was adjusted by the 2015 Representation Act for the 2018 provincial election, losing some territory to the district of Oshawa, and replaced as the district of Whitby.

Anderson Collegiate Vocational Institute (Anderson CVI, Anderson Collegiate, Anderson, or ACVI) is located in Whitby, Ontario within the Durham District School Board. Established in 1960, the school has students in grades 9–12 and offers a wide range of academic and extracurricular activities. Anderson is the only high school in Whitby that offers the gifted program and thus acts as a magnet school, attracting students across the municipality. This program provides an enriched and accelerated curriculum for students in specific courses from grades 9–11. Anderson's feeder elementary schools are Bellwood Public School, C. E. Broughton Public School, Dr. Robert Thornton Public School, Pringle Creek Public School (regular and gifted), and Jack Miner Public School (gifted only). In 2007, then Principal John Morrison was named one of Canada's Outstanding Principals.

Whitby is a federal electoral district (riding) in Ontario consisting of the entire town of Whitby, Ontario. The boundaries for Whitby were created by the 2012 federal electoral boundaries redistribution and were legally defined in the 2013 representation order. The riding came into existence upon the call of the 42nd Canadian federal election in October 2015. It was created out of the district of Whitby—Oshawa. It is a key Liberal-Conservative marginal seat.

Whitby is a provincial electoral district in Ontario, Canada, that was previously represented in the Legislative Assembly of Ontario as Whitby-Oshawa. The new riding was created through the 2015 Representation Act for the 2018 provincial election, with the district losing some territory to the district of Oshawa to more closely align to the actual town's borders.

Whitby is a town in Durham Region. Whitby is located in Southern Ontario east of Ajax and west of Oshawa, on the north shore of Lake Ontario and is home to the headquarters of Durham Region. It had a population of 138,501 at the 2021 census. It is approximately 45 km (28 mi) east of Toronto, and it is known as a commuter suburb in the Greater Toronto Area. While the southern portion of Whitby is predominantly urban and an economic hub, the northern part of the municipality is more rural and includes the communities of Ashburn, Brooklin, Myrtle, Myrtle Station, and Macedonian Village.

Cullen Gardens & Miniature Village was a popular tourist attraction in Whitby, Ontario, Canada. Officially opened in May 1980 by founder Len Cullen and his wife, Connie, the Gardens were a major tourist attraction in Whitby for 25 years.

Whitby Township is a geographic township and former municipality in what was Ontario County (now Durham Region), Ontario, Canada. It is now part of the Town of Whitby. The Township was established in 1792 (1792) as part of what was then York County. Whitby Township was one of five townships along Lake Ontario named for towns in northeast England (York, Scarborough, Pickering, Whitby and Darlington). In 1852, the Township became part of the newly formed County of Ontario. In 1855, the Town of Whitby was incorporated as a separate municipality in the southern portion of the Township and in 1858, the Township of East Whitby was formed from the eastern portion of the municipality near Oshawa. Whitby Township was mainly a rural municipality, but contained the communities of Brooklin, Ashburn, Myrtle and Myrtle Station. The Township was amalgamated with Whitby in 1968 to form an expanded Town of Whitby.