The Connacht Schools Junior Challenge Cup is an under-age rugby union competition for schools affiliated to the Connacht Branch of the IRFU. Competition is confined to students under the age of 16. The final is held in March each year in the Galway Sportsgrounds. It is usually seen as a good forecast as who will win the Connacht Schools Senior Cup in the following years. Marist College, Athlone have been the most successful team since the turn of the millennium winning the Junior cup seven times (2000, 2002, 2005, 2007, 2013, 2016 ,2018, 2022).