| Year | Prize | Name | School | Note |
| 2015 | AILO Champion | Shmuel Barron | Sutton Park | |
| 2nd Place | Luke Gardiner | Gonzaga College | Bronze at IOL | |
| 3rd Place | Ethan Hamman | Newpark | ||
| 4th Place | Niamh Lynch | Loreto Letterkenny | ||
| Junior Champion | Aleksandr Gusev | Royal School Cavan | 5th Overall | |
| 2nd Place | Vincent Wong | Cookstown High School | 6th Overall | |
| 3rd Place | Isabelle Barrett | Heywood | ||
| 4th Place | Jan Rosales | Dominican College | ||
| Year | Prize | Name | School | Note |
| 2014 | AILO Champion | Luke Gardiner | Glenstal Abbey School, Murroe | |
| 2nd Place | Matthew Nixon | Victoria College, Belfast | ||
| 3rd Place | Jane D’Altuin | Elphin Community College | ||
| 4th Place | Daniel Herlihy | Coláiste Pobail Setanta, Cluain Aodha | ||
| 2014 | Team Winners | Gonzaga & Good Council |
| Year | Prize | Name | School | Notes |
| 2013 | AILO Champion | Imogen Grumley Traynor | St. Kilian’s Deutsche Schule | |
| 2nd Place | Adam Connolly | Coláiste Chiarain Community School | ||
| 3rd Place | Matthew O’Dwyer | Gonzaga College SJ | ||
| 4th Place | Alec Fair | Methodist College, Belfast | ||
| 2013 | Team Winners | Blackrock College |
| Year | Prize | Name | School | Notes |
| 2012 | AILO Champion | Dale Walmsley | Wellington College | |
| 2nd Place | Aidan Marnane | St. Francis College | ||
| 3rd Place | Diarmaid Wingfield | Newtown School, Waterford | ||
| 4th Place | Imogen Grumley Traynor | St. Kilian’s Deutsche Schule | ||
| 2012 | Team Winners | Methodist College Belfast |
| Year | Prize | Name | School | Notes |
| 2011 | AILO Champion | Medbh Campbell | Methodist College Belfast | |
| Gold Medal | Declan Manning | Ballincollig Community School | ||
| Gold Medal | Niamh Dhondt | Loreto, Kilkenny | ||
| Gold Medal | Alec Fair | Methodist College Belfast | ||
| 2011 | Team Winners | Methodist College Belfast |
| Year | Prize | Name | School | Notes |
| 2010 | AILO Champion | Emma Carrigan | Mount Temple Comprehensive School, Dublin | |
| 2nd Place | Ellen Cameron | Antrim Grammar School | ||
| 3rd Place | Imogen Grumley Traynor | St Kilian’s Deutsche Schule, Dublin | ||
| 4th Place | Cormac Ó Mainnín | Ballincollig Community School, Cork | ||
| 2010 | Team Winners | Mount Temple Comprehensive School, Dublin |
| Year | Prize | Name | School | Notes |
| 2009 | AILO Champion | Dylan Coburn Gray | Mount Temple School, Malahide, Dublin | Did not attend IOL |
| 2nd Place | Kieran Fleming | St Caimin’s Community School, Shannon, Co Clare | ||
| 3rd Place | Ruadhan Treacy | Newtown School, Waterford | Honourable Mention at IOL | |
| 4th Place | Aislinn McGuire | Mount Temple School, Malahide, Dublin | ||
| 48th Place | Stephenh Ennis | Newtown School, Waterford | Joined team for IOL | |
| 2009 | Team Winners | Heidi McIlvenny | Newtown School, Waterford | |
| Siobhan Glasheen | ||||
| Stephen Ennis | ||||
| Rudhan Treacy |