In 2006-2007, it served almost 50,000 students, excluding those in adult, alternative, and Community Education programs.

[8] In 1967, as a result of initiatives undertaken by then Minister of Education Bill Davis, work was begun to amalgamate all boards on a county-wide level throughout the Province, and such a move was recommended to the Halton County Council that year for its approval.

[16] The Board operates 76 elementary schools, and 17 secondary schools, which are organized into the following areas: Secondary school enrolment and Fraser Institute provincial rankings are as follows: As required by the Ontario Ministry of Education,[18] the following student trustees have been named to serve on the Board: Cindy Wang (Oakville Trafalgar High School)[19] Kacy Bao (Milton District High School)[21] Evan Taylor (Milton District High School)[23] The Halton District School Board's Board of Trustees annually elect its chair and a vice-chair at its Annual Organization Meetings (AOM).

[25] 2019 - 2020 2018 - 2019 2017 - 2018 2015 - 2016 2014 - 2015 2013 - 2014 The Board also operates the following specialized facilities: The Pathways programme encourages all post-secondary options, from apprenticeship, to college, to university, to the workplace.

[27] The Board has also introduced specialist high skills majors and other unique programs for students, including fully online high school credits.