In the first session Castleknock College survived a very strong challenge of Lucan Community College winning by a margin of just two marks.
The second contest was equally hard fought with the Carlow school edging out Clonkeen College Dublin on the score of 96 to 92.
Results — Quiz 171: 1 Castleknock College, 92 pts (Fintan Doherty, John Lawlor, Liam Townsend, Cormac Doherty); 2. Lucan Community College 90 pts; 3 Gonzaga College 82.
Quiz 172: 1. St. Mary’s College, Knockbeg, Carlow 96 pts (Phillip Brennan, James McDermott, Anthony Buckley, Henry Roberts); 2. Clonkeen College, Blackrock, Dublin 92 pts.
The Carlow school won the overall contest in 2006.