| Leinster League - Division 1A |
| 03/03/2012 |
| Tullamore | 31 | vs | 18 | Coolmine | | More |
| Referee : Danny Wallace Venue : Spollenstown |
| 26/02/2012 |
| Coolmine | 8 | vs | 29 | Skerries | | More |
| Referee : Venue : Ashbrook |
| 22/01/2012 |
| Coolmine | 20 | vs | 18 | Enniscorthy | | More |
| Referee : John Montayne Venue : Ashbrook |
| 14/01/2012 |
| Newbridge | 21 | vs | 5 | Coolmine | | More |
| Referee : Ciaran McGowan Venue : Rosetown |
| 07/01/2012 |
| Coolmine | 13 | vs | 10 | Garda | | More |
| Referee : John Carvill Venue : Ashbrook |
| 10/12/2011 |
| Dundalk | 10 | vs | 15 | Coolmine | | More |
| Referee : Venue : Mill Rd |
| 03/12/2011 |
| Monkstown | 15 | vs | 16 | Coolmine | | More |
| Referee : Tommy O'Donoghue Venue : Sydney Parade |
| 19/11/2011 |
| Coolmine | 10 | vs | 27 | Tullamore | | More |
| Referee : Gary Glennon Venue : Ashbrook |
| 12/11/2011 |
| Skerries | 32 | vs | 10 | Coolmine | | More |
| Referee : Dermot Blake Venue : Holmpatrick |
| 29/10/2011 |
| Enniscorthy | 22 | vs | 20 | Coolmine | | More |
| Referee : Glenn Sheridan Venue : Ross Rd |
| 15/10/2011 |
| Coolmine | 9 | vs | 12 | Newbridge | | More |
| Referee : Brian MacNeice Venue : Ashbrook |
| 01/10/2011 |
| Garda | 22 | vs | 32 | Coolmine | | More |
| Referee : Brian Montayne Venue : Westmanstown |
| 24/09/2011 |
| Coolmine | 19 | vs | 10 | Dundalk | | More |
| Referee : Danny Wallace Venue : Ashbrook |
| 17/09/2011 |
| Coolmine | 9 | vs | 15 | Monkstown | | More |
| Referee : Niall Behan Venue : Ashbrook |
| 98FM Metropolitan Cup (J1) |
| 15/04/2012 |
| NUIM Barnhall | 27 | vs | 25 | Coolmine | | More |
| Referee : Ciaran McGowan Venue : Parsonstown |
| 01/04/2012 |
| Coolmine | 35 | vs | 20 | Dublin University | | More |
| Referee : John Carey Venue : Ashbrook |
| 25/03/2012 |
| Seapoint | 27 | vs | 42 | Coolmine | | More |
| Referee : Duncan Duke Venue : Kilbogget Park Killiney |
| Purcell Cup (Under 21) |
| 11/03/2012 |
| Coolmine | 14 | vs | 19 | Wanderers | | More |
| Referee : Tomas Treacy Venue : Ashbrook |
| Albert O'Connell Cup (Metro J2) |
| 24/03/2012 |
| Malahide | 24 | vs | 15 | Coolmine | | More |
| Referee : Paul McSweeney Venue : Estuary Rd |
| 08/03/2012 |
| Coolmine | 22 | vs | 20 | Monkstown | | More |
| Referee : Jason Teahan Venue : Ashbrook |
| Winters Cup (Metro J4) |
| 10/03/2012 |
| Coolmine | 8 | vs | 10 | St Marys College RFC B | | More |
| Referee : Tony Grehan Venue : Ashbrook |
| JP Fanagan Pennant (Phase 1) - Pool 2 |
| 16/11/2011 |
| Coolmine | 22 | vs | 0 | De La Salle Palmerston | | More |
| Referee : Dermot Dooley Venue : Ashbrook |
| 06/11/2011 |
| Coolmine | 9 | vs | 10 | Suttonians | | More |
| Referee : Jason Le Lievre Venue : Ashbrook |
| 23/10/2011 |
| Dublin University | 24 | vs | 13 | Coolmine | | More |
| Referee : Jason Teahan Venue : College Park |
| 16/10/2011 |
| Coolmine | 29 | vs | 5 | Terenure College RFC | | More |
| Referee : Roland Clear Venue : Ashbrook |
| 09/10/2011 |
| UCD | 25 | vs | 5 | Coolmine | | More |
| Referee : Roland Clear Venue : Belfield |
| JP Fanagan Pennant (Phase 2) - Section C |
| 03/03/2012 |
| Greystones | 48 | vs | 8 | Coolmine | | More |
| Referee : David Bolger Venue : Dr Hickey Park |
| 26/02/2012 |
| IT Carlow | 53 | vs | 3 | Coolmine | | More |
| Referee : Jason Teahan Venue : IT Carlow |
| 12/02/2012 |
| Coolmine | 14 | vs | 7 | St Marys College RFC | | More |
| Referee : Brendan Conroy Venue : Ashbrook |
| 22/01/2012 |
| De La Salle Palmerston | 15 | vs | 12 | Coolmine | | More |
| Referee : Kevin McDermott Venue : Kirwan Park |
| 15/01/2012 |
| Coolmine | 6 | vs | 17 | Greystones | | More |
| Referee : John Carey Venue : Ashbrook |
| 08/01/2012 |
| Coolmine | 10 | vs | 17 | IT Carlow | | More |
| Referee : Edward Kenny Venue : Ashbrook |
| 27/11/2011 |
| St Marys College RFC | 12 | vs | 12 | Coolmine | | More |
| Referee : Simon Owens Venue : Templeville Rd |
| 16/11/2011 |
| Coolmine | 22 | vs | 0 | De La Salle Palmerston | | More |
| Referee : Venue : Ashbrook |
| Spencer Cup - Playoffs |
| 18/02/2012 |
| Coolmine | 30 | vs | 0 | Garda | | More |
| Referee : Arthur Lynch Venue : Coolmine RFC |
| 16/12/2011 |
| Coolmine | 54 | vs | 12 | Malahide | | More |
| Referee : Steve McCann Venue : Ashbrook |
| Spencer Cup - Group 2 |
| 10/09/2011 |
| Stillorgan | 3 | vs | 47 | Coolmine | | More |
| Referee : Danny Fagan Venue : CUS Sportsground Clonskeagh |
| 26/08/2011 |
| Coolmine | 52 | vs | 7 | Monkstown | | More |
| Referee : Arthur Lynch Venue : Ashbrook |
| Leinster Seconds League - Division 1A |
| 03/03/2012 |
| Tullamore | 27 | vs | 27 | Coolmine | | More |
| Referee : Trevor McHugh Venue : Spollenstown |
| 26/02/2012 |
| Coolmine | 45 | vs | 13 | Skerries | | More |
| Referee : Paul Beggy Venue : Ashbrook |
| 22/01/2012 |
| Coolmine | 32 | vs | 3 | Enniscorthy | | More |
| Referee : Mark Power Venue : Ashbrook |
| 14/01/2012 |
| Newbridge | 7 | vs | 13 | Coolmine | | More |
| Referee : William Murphy Venue : Rosetown |
| 07/01/2012 |
| Coolmine | 27 | vs | 3 | Garda | | More |
| Referee : David Plunkett Venue : Ashbrook |
| 10/12/2011 |
| Dundalk | 14 | vs | 15 | Coolmine | | More |
| Referee : Joe Elliott Venue : Mill Rd |
| 03/12/2011 |
| Monkstown | 7 | vs | 31 | Coolmine | | More |
| Referee : Robert Phelan Venue : Sydney Parade |
| 19/11/2011 |
| Coolmine | 13 | vs | 10 | Tullamore | | More |
| Referee : Joe Elliott Venue : Ashbrook |
| 12/11/2011 |
| Skerries | | vs | | Coolmine | | More |
| Referee : Joe Elliott Venue : Holmpatrick |
| 29/10/2011 |
| Enniscorthy | 3 | vs | 42 | Coolmine | | More |
| Referee : Ian Hayes Venue : Ross Rd |
| 15/10/2011 |
| Coolmine | 10 | vs | 13 | Newbridge | | More |
| Referee : Ultan Ryan Venue : Ashbrook |
| 01/10/2011 |
| Garda | 0 | vs | 20 | Coolmine | | More |
| Referee : Tom Keating Venue : Westmanstown |
| 24/09/2011 |
| Coolmine | 65 | vs | 12 | Dundalk | | More |
| Referee : Garreth Crawford Venue : Ashbrook |
| 17/09/2011 |
| Coolmine | 29 | vs | 0 | Monkstown | | More |
| Referee : Kevin O'Boyle Venue : Ashbrook |
| Jim Byrne Cup (J2) - Playoffs |
| 14/03/2012 |
| Coolmine | 15 | vs | 8 | Guinness | | More |
| Referee : David Williams Venue : Coolmine RFC |
| 08/02/2012 |
| Coolmine | 31 | vs | 11 | Stillorgan | | More |
| Referee : David Williams Venue : Ashbrook |
| Jim Byrne Cup (J2) - Group 2 |
| 10/09/2011 |
| Tallaght | 0 | vs | 80 | Coolmine | | More |
| Referee : Mark Scoyne Venue : Tymon Park |
| 26/08/2011 |
| Coolmine | 25 | vs | 5 | Malahide | | More |
| Referee : Ian Duffy Venue : Ashbrook |
| Leinster J4 League Section A (Phase 1) - Pool 1 |
| 18/11/2011 |
| Coolmine | 9 | vs | 6 | Clondalkin | | More |
| Referee : Martin Kavanagh Venue : Ashbrook |
| 05/11/2011 |
| Greystones | 52 | vs | 0 | Coolmine | | More |
| Referee : Tomas Treacy Venue : Dr Hickey Park |
| 22/10/2011 |
| Coolmine | 23 | vs | 20 | Blackrock College RFC | | More |
| Referee : Killian Banks Venue : Ashbrook |
| 15/10/2011 |
| Wanderers | 33 | vs | 0 | Coolmine | | More |
| Referee : Martin Farrelly Venue : Merrion Rd |
| 08/10/2011 |
| Coolmine | 22 | vs | 38 | St Marys College RFC | | More |
| Referee : Martin Nunan Venue : Ashbrook |
| Leinster J4 League Section A (Phase 2) - Division 1 |
| 03/03/2012 |
| Clontarf | 89 | vs | 0 | Coolmine | | More |
| Referee : Venue : Castle Avenue |
| 18/02/2012 |
| Coolmine | 0 | vs | 60 | Terenure College RFC | | More |
| Referee : Venue : Ashbrook |
| 11/02/2012 |
| Clondalkin | 41 | vs | 16 | Coolmine | | More |
| Referee : Paul McDunphy Venue : Gordon Park Kingswood |
| 28/01/2012 |
| Blackrock College RFC | 48 | vs | 7 | Coolmine | | More |
| Referee : Refs Venue : Stradbrook |
| 14/01/2012 |
| Coolmine | 14 | vs | 9 | Stillorgan | | More |
| Referee : Patrick Mann Venue : Ashbrook |
| 07/01/2012 |
| Coolmine | 5 | vs | 18 | Clontarf | | More |
| Referee : Donal Brady Venue : Ashbrook |
| 10/12/2011 |
| Terenure College RFC | 52 | vs | 0 | Coolmine | | More |
| Referee : Venue : Lakelands Park |
| 03/12/2011 |
| Stillorgan | | vs | | Coolmine | | More |
| Referee : TBC Venue : CUS Sportsground Clonskeagh |
| 18/11/2011 |
| Coolmine | 9 | vs | 6 | Clondalkin | | More |
| Referee : Venue : Ashbrook |
| 22/10/2011 |
| Coolmine | 23 | vs | 20 | Blackrock College RFC | | More |
| Referee : Venue : Ashbrook |
