St Mary's Catholic High School, Grimsby
|Headteacher||Mr Richard Mellows|
North East Lincolnshire
|Local authority||North East Lincolnshire|
|DfE URN||118118 Tables|
|Website||St Mary's RC School|
St Mary's Catholic School was a Roman Catholic secondary school located in Grimsby, Lincolnshire, England. The school closed at the end of the academic year in 2010, in preparation for its amalgamation with Matthew Humberstone School to form St. Andrew's College, a joint faith school which opened in September 2010. This school has now been renamed Holy Family Catholic Academy, and is a solely a Roman Catholic school.
St Mary's accepted any student who wished to attend if they respected Catholicism. Two main sources of students were catholic pupils from two catholic primary schools - St Mary's on Wellington Street in East Marsh, and St Joseph's on Philip Avenue in Cleethorpes.
Grimsby is in the Diocese of Nottingham.
St Mary's Secondary School was originally on a site shared with the Junior School and St Mary's Church in Henage Road. In 1965 a new Secondary School was opened and was situated in the middle of the Nunsthorpe council estate in west Grimsby. It closed on 20 July 2010, merging with Matthew Humberstone school to become St Andrew's College in September 2010. St Andrew's College is based at Matthew Humberstone Upper site.
In 2009 the school came joint 7th in North East Lincolnshire, gaining 35% A* - C's. It did not have a sixth form.