Marist College is a secondary school for boys in Athlone, County Westmeath, Ireland. The school was founded in 1884 by the Marist Brothers, a French Order, and the first principal was Brother Mungo. The original school was based in Glesson Street/Saint Mary's Square. The college had a seminary for Juniorate training between 1915 and 1936 located at Bailieborough Castle, County Cavan. In 1973, the school moved to its current location on Retreat Road. The current principal is Michael Dermody.