A number of local day boys would travel to Glasgow daily to continue their education after leaving, typically attending St. Mungo's Academy or St. Aloysius' College.
The various headmasters kept up the tradition of devotion to the Marist cause for the love of the Blessed Virgin Mary, whose statue was to be found on the steep upwards walkway towards the golf course and hills above Largs.
An ethos of severity instigated under headmaster Brother Urban, a lack of innovation, falling school roll and an inability to recruit able graduates from the Marist order all contributed to the college's decline.
The school closed in 1981 and the main buildings were subsequently sold to property developer Tay.
Northfield house (constructed 1840) was retained as the subjects is protected and listed as Category B building.
Landour House was demolished following the closure of the school, while Northfield was converted into flatted accommodation.