25 prior to 1999[4]) refers to both the institution responsible for the operation of all English public schools in the city of Ottawa, Ontario and its governing body.

A group of students and parents from Lady Evelyn Alt teamed up with a trustee and won the Review.

[citation needed] In 2017 a family was awarded approximately $3,000 after winning a lawsuit against the OCDSB over the board's failure to take a student's complaints about bullying seriously.

[6] In 2019 an investigation was launched to look into what ultimately resulted in three sex offense charges against OCDSB teacher Majed Turk in July 2020.

[7] As of 2020, there were ongoing lawsuits filed against the OCDSB for the sexual abuse of its students by now deceased teacher and Bell High School basketball coach, Donald Greenham.

The OCDSB is the seventh largest district by school population in the province of Ontario.