50 prior to 1998[1]) is the publicly funded Catholic school board in the Regional Municipality of Niagara which is located in Ontario Canada supporting the municipalities of Fort Erie, Grimsby, Lincoln and West Lincoln, Niagara Falls, Niagara-on-the-Lake, Pelham, Port Colborne, St. Catharines, Thorold, Wainfleet and Welland.

Its head office, the Catholic Education Centre, is located in Welland, Ontario, Canada.

In January 1997, the Minister of Education and Training for the Province of Ontario announced that, as part of its plan to restructure the education system in Ontario, the number of school boards in the province would be reduced from 129 to 66 and replaced by new “District” school boards, effective January 1, 1998.

In fall 2008, Niagara Catholic initiated a two-year Vision 2020 strategic planning process.

The revised mission statement was vetted to all stakeholders prior to being submitted to the Board for consideration on June 15, 2010.