Corpus Christi School (Ottawa)

The Ottawa Catholic School Board (OCSB, known as English-language Separate District School Board No. 53 prior to 1999) is a publicly funded separate school board in Ottawa, Ontario, Canada. Its headquarters are in the Nepean area of Ottawa.

It employs approximately 5,000 people part-time and full-time equivalents and operates more than 90 schools in the greater Ottawa area, with a total student population of approximately 50,000. Before 2007, the board was known as Ottawa-Carleton Catholic School Board (OCCSB) and its two former boards prior to 1998, Carleton Roman Catholic Separate School Board (CRCSSB) and Ottawa Roman Catholic Separate School Board (ORCSSB).