Our Lady Of Mercy Secondary School
Mourne Road, Drimnagh, Dublin 12 · D12 HT22 · Roll number 60991I
Our Lady Of Mercy Secondary School is one of 37 post-primary schools in or within 3 km of Crumlin. Every school in and around Crumlin →
What stands out about Our Lady Of Mercy Secondary School
- A small post-primary school: 289 pupils, against a typical 585.
- About as many pupils as in 2019/20 (−6%).
- Teaches through English, with Irish as a subject.
- In DEIS. DEIS (Delivering Equality of Opportunity in Schools) gives schools serving disadvantaged areas more teachers, money and support; the Department decides which schools are in it.
- A voluntary secondary school: owned by its trustees, most often a religious order or its successor trust, and paid for by the State.
- Its patron is CEIST; its ethos is Catholic.
Pupils over time
2015/16 to 2025/26Our Lady Of Mercy Secondary School had 289 pupils in 2025/26, down from 306 in 2015/16 (−6%). Girls are 43% of them. Its largest roll was 369, in 2017/18. Its roll rose in 5 of the 10 years.
Department of Education enrolments at 30 September each year; girls and boys where the lists give them.
No letter for Our Lady Of Mercy Secondary School
Ireland publishes no exam results school by school, and section 53 of the Education Act 1998 restricts comparing schools by them, so this school has no letter and nothing here ranks it. Its facts are the Department of Education’s; its inspection reports are linked below.
What the Department of Education does publish for Our Lady Of Mercy Secondary School is on this page: its pupils each September since 2015/16, girls and boys, its patron and ethos, whether it teaches through Irish, whether it is in DEIS, and its inspection reports.
Newspapers print lists of how many of a school’s leavers go on to college. Those count destinations, not exam results, and depend on who a school takes in; we don’t use them.
Inspection reports on Our Lady Of Mercy Secondary School
The Department of Education’s Inspectorate visits schools and publishes its reports. The reports describe what inspectors saw; they give no overall grade, and we don’t make one. Reports for this school on gov.ie ↗
Inspectors visit every kind of school. Whole-school evaluations look at teaching and learning, leadership and management; subject inspections look at one subject; follow-through inspections check whether earlier advice was taken. Each report is published on gov.ie with the school’s response.
Getting a place at Our Lady Of Mercy Secondary School
Every school admits under its own published admission policy; no admissions numbers are published.
Families apply to Our Lady Of Mercy Secondary School directly, usually in the year before their child finishes sixth class; the school’s yearly admission notice gives the dates for applying and for its decisions.
A school with more applicants than places admits on the criteria in its admission policy, often brothers and sisters, the area it serves and, for post-primary schools, its feeder primaries. A family refused a place can appeal.
It is in DEIS, so it has extra support for pupils from disadvantaged areas.
No figures on applications are published, but the roll shows demand: Our Lady Of Mercy Secondary School has shrunk by 6% since 2019/20. All the schools around Crumlin together changed by +6%.
Pupils since 2019/20
Education (Admission to Schools) Act 2018; Department of Education enrolments 2019/20 and 2025/26 (preliminary).
Side by side with the nearest post-primary schools
2025/26The nearest schools of the same kind, as the crow flies: their pupils, ethos and language. No results: none are published.
Of the 6 nearest post-primary schools, 4 have more pupils than Our Lady Of Mercy Secondary School. Since 2019/20 its roll has changed by −6%; 4 of the 6 grew faster.
| School | Pupils | Since 2019/20 | Ethos | Language | DEIS | Away |
|---|---|---|---|---|---|---|
| Our Lady Of Mercy Secondary School | 289 | −6% | Catholic | English | ✓ | |
| Mercy Secondary School | 349 | +124% | Catholic | English | ✓ | 0.7 km |
| Meanscoil Iognáid Rís | 521 | −10% | Catholic | English | ✓ | 1.2 km |
| Assumption Secondary School | 270 | +8% | Catholic | English | ✓ | 1.3 km |
| Loreto College | 320 | −20% | Catholic | English | ✓ | 1.4 km |
| Rosary College | 250 | +35% | Catholic | English | ✓ | 1.6 km |
| Clogher Road Community College | 297 | +46% | Multi-denominational | English | ✓ | 1.7 km |
The other 177 post-primary schools in Co. Dublin
| School | Pupils | Since 2019/20 | Ethos | Language | DEIS | Away |
|---|---|---|---|---|---|---|
| C.B.S. James Street | 251 | +65% | Catholic | English | ✓ | 2.2 km |
| Kylemore College | 479 | +22% | Multi-denominational | English | ✓ | 2.7 km |
| St Pauls Secondary School | 466 | +4% | Catholic | English | ✓ | 2.7 km |
| Presentation College | 262 | +55% | Catholic | English | ✓ | 2.8 km |
| St. Seton's Secondary School | 741 | – | Other | English | ✓ | 2.8 km |
| Greenhills College | 186 | +36% | Multi-denominational | English | ✓ | 2.8 km |
| Harolds Cross Educate Together Secondary School | 437 | – | Multi-denominational | English | 2.9 km | |
| Templeogue College | 637 | −6% | Catholic | English | 3 km | |
| Presentation Community College | 443 | +26% | Catholic | English | 3.1 km | |
| St Patricks Cathedral Grammar School | 302 | +39% | Church of Ireland | English | 3.3 km | |
| Terenure College | 800 | +16% | Catholic | English | 3.3 km | |
| Christian Brothers, Synge St. | 256 | −3% | Catholic | English | ✓ | 3.4 km |
| St Louis High School | 690 | +2% | Catholic | English | 3.4 km | |
| St Josephs Secondary School | 283 | +48% | Catholic | English | ✓ | 3.5 km |
| St. Mary's College C.S.Sp., Rathmines | 500 | +17% | Catholic | English | 3.5 km | |
| St Pauls C.B.S. | 244 | +15% | Catholic | English | ✓ | 3.6 km |
| Our Ladys School | 799 | +5% | Catholic | English | 3.7 km | |
| St Mac Dara's Community College | 915 | +7% | Inter-denominational | English | 3.8 km | |
| Stratford College | 189 | +28% | Jewish | English | 3.8 km | |
| Coláiste de hÍde | 266 | −11% | Multi-denominational | All in Irish | ✓ | 3.9 km |
| Coláiste Mhuire | 272 | −4% | Catholic | All in Irish | ✓ | 4.1 km |
| Mount Sackville Secondary School | 636 | −3% | Catholic | English | 4.1 km | |
| Mount Carmel Secondary School | 386 | −4% | Catholic | English | ✓ | 4.1 km |
| St Declan's College | 651 | +0% | Catholic | English | 4.1 km | |
| The High School | 811 | +11% | Church of Ireland | English | 4.1 km | |
| Loreto College | 588 | +5% | Catholic | English | 4.2 km | |
| Tallaght Community School | 840 | +10% | Inter-denominational | English | ✓ | 4.2 km |
| Catholic University School | 544 | +7% | Catholic | English | 4.2 km | |
| Phobailscoil Iosolde | 764 | −0% | Inter-denominational | English | ✓ | 4.3 km |
| Kingswood Community College | 1,006 | +93% | Multi-denominational | English | 4.4 km | |
| Cabra Community College | 264 | +102% | Multi-denominational | English | ✓ | 4.5 km |
| St Dominics College | 790 | −1% | Catholic | English | 4.6 km | |
| Belvedere College S.J | 1,011 | +1% | Catholic | English | 4.7 km | |
| Sandford Park School Ltd | 437 | +8% | Inter-denominational | English | 4.7 km | |
| Larkin Community College | 403 | +3% | Inter-denominational | English | ✓ | 4.7 km |
| C.B.S. Westland Row | 205 | +52% | Catholic | English | ✓ | 4.8 km |
| Loreto High School | 625 | −5% | Catholic | English | 4.9 km | |
| Gonzaga College | 576 | +4% | Catholic | English | 4.9 km | |
| Coláiste Bríde | 993 | +4% | Catholic | English | 4.9 km | |
| Gaelcholáiste an Phiarsaigh | 296 | +13% | Multi-denominational | All in Irish | 5 km | |
| St Vincents C.B.S. Glasnevin | 408 | +13% | Catholic | English | ✓ | 5.1 km |
| Alexandra College | 664 | +13% | Church of Ireland | English | 5.1 km | |
| Coláiste Éanna | 618 | +3% | Catholic | English | 5.1 km | |
| Muckross Park College | 709 | +0% | Catholic | English | 5.2 km | |
| Collinstown Park Community College | 630 | +11% | Inter-denominational | English | ✓ | 5.2 km |
| Sancta Maria College | 577 | +5% | Catholic | English | 5.2 km | |
| St Conleths College | 339 | +19% | Catholic | English | 5.2 km | |
| De La Salle College | 463 | +45% | Catholic | English | 5.3 km | |
| Castleknock College | 771 | +10% | Catholic | English | 5.3 km | |
| Moyle Park College | 763 | +3% | Catholic | English | 5.3 km | |
| The Kings Hospital | 732 | +3% | Church of Ireland | English | 5.4 km | |
| Edmund Rice College | 912 | +576% | Catholic | English | 5.4 km | |
| O'Connell School | 222 | +8% | Catholic | English | ✓ | 5.5 km |
| Coláiste Chilliain | 400 | −4% | Multi-denominational | All in Irish | 5.6 km | |
| St. Colmcille's Community School | 727 | −0% | Inter-denominational | English | 5.8 km | |
| St Mary's Secondary School | 830 | +2% | Catholic | English | ✓ | 5.9 km |
| Marian College | 319 | −8% | Catholic | English | ✓ | 6.1 km |
| Scoil Chaitriona | 523 | +11% | Catholic | All in Irish | ✓ | 6.2 km |
| St. Kevin's Community College | 525 | +41% | Inter-denominational | English | ✓ | 6.2 km |
| Old Bawn Community School | 1,024 | +12% | Inter-denominational | English | 6.3 km | |
| The Teresian School | 230 | +16% | Catholic | English | 6.3 km | |
| St Michaels Secondary School | 646 | +4% | Catholic | English | ✓ | 6.4 km |
| Coláiste Eoin | 257 | +43% | Multi-denominational | English | ✓ | 6.4 km |
| St Marks Community School | 931 | +12% | Inter-denominational | English | ✓ | 6.4 km |
| Firhouse Community College | 825 | +2% | Inter-denominational | English | 6.4 km | |
| Ringsend College | 191 | +1% | Multi-denominational | English | ✓ | 6.5 km |
| Rosmini Community School | 139 | +16% | Inter-denominational | English | ✓ | 6.5 km |
| Our Lady's Grove Secondary School | 295 | −3% | Catholic | English | 6.5 km | |
| Castleknock Community College | 1,318 | +13% | Multi-denominational | English | 6.6 km | |
| St Kevins College | 503 | −6% | Catholic | English | ✓ | 6.7 km |
| Dominican College | 799 | +7% | Catholic | English | 6.7 km | |
| St Kilian's Deutsche Schule | 475 | +18% | Inter-denominational | English | 6.7 km | |
| Ballinteer Community School | 415 | +2% | Inter-denominational | English | ✓ | 6.7 km |
| St Josephs C.B.S. | 310 | +20% | Catholic | English | ✓ | 6.8 km |
| Deansrath Community College | 425 | +43% | Inter-denominational | English | ✓ | 6.8 km |
| New Cross College | 417 | +110% | Catholic | English | ✓ | 6.8 km |
| Beneavin De La Salle College | 585 | +15% | Catholic | English | ✓ | 6.8 km |
| St Michaels College | 731 | +10% | Catholic | English | 6.9 km | |
| Marino College | 297 | +21% | Multi-denominational | English | ✓ | 6.9 km |
| Goatstown Educate Together Secondary School | 366 | – | Multi-denominational | English | 7 km | |
| Sandymount Park Educate Together Secondary School | 437 | +460% | Multi-denominational | English | 7.1 km | |
| Firhouse Educate Together Secondary School | 411 | +407% | Multi-denominational | English | 7.1 km | |
| Kishoge Community College | 937 | +12% | Multi-denominational | English | 7.1 km | |
| Griffeen Community College | 576 | +317% | Multi-denominational | English | 7.1 km | |
| Clonturk College | 968 | +182% | Multi-denominational | English | 7.2 km | |
| Árdscoil Rís | 563 | +4% | Catholic | English | 7.4 km | |
| Le Cheile Secondary School | 944 | +26% | Catholic | English | 7.4 km | |
| St. Aidan's C.B.S. | 725 | +1% | Catholic | English | 7.4 km | |
| Maryfield College | 527 | −11% | Catholic | English | 7.5 km | |
| St. Tiernan's Community School | 368 | +7% | Inter-denominational | English | ✓ | 7.7 km |
| Mount Temple Comprehensive School | 903 | +2% | Church of Ireland | English | 7.7 km | |
| Mount Anville Secondary School | 726 | +4% | Catholic | English | 7.7 km | |
| Rockbrook Park School | 186 | +14% | Catholic | English | 7.7 km | |
| Luttrellstown Community College | 1,027 | +15% | Multi-denominational | English | 7.7 km | |
| Wesley College | 942 | +2% | Methodist | English | 7.8 km | |
| Trinity Comprehensive School | 564 | +15% | Catholic | English | ✓ | 7.8 km |
| Ellenfield Community College | 150 | +3% | Multi-denominational | English | ✓ | 7.9 km |
| St Columba's College | 357 | +7% | Church of Ireland | English | 7.9 km | |
| St Aidan's Community School | 561 | +28% | Inter-denominational | English | ✓ | 7.9 km |
| Coláiste Cois Life | 592 | −27% | Multi-denominational | All in Irish | 8 km | |
| Killinarden Community School | 471 | −3% | Inter-denominational | English | ✓ | 8 km |
| Coláiste Phádraig CBS | 745 | +38% | Catholic | English | 8.1 km | |
| Scoil Phobail Chuil Mhin | 1,014 | −1% | Inter-denominational | English | 8.2 km | |
| Coláiste Eoin | 517 | +4% | Catholic | All in Irish | 8.2 km | |
| Coláiste Íosagáin | 488 | +1% | Catholic | All in Irish | 8.3 km | |
| St Benildus College | 949 | +18% | Catholic | English | 8.3 km | |
| St Andrews College | 1,011 | +2% | Presbyterian | English | 8.3 km | |
| Mount Seskin Community College | 350 | +8% | Inter-denominational | English | ✓ | 8.4 km |
| Our Lady Of Mercy College | 407 | +6% | Catholic | English | ✓ | 8.5 km |
| St Joseph's College | 934 | +6% | Catholic | English | 8.6 km | |
| Willow Park School | 206 | −0% | Catholic | English | 8.7 km | |
| Holy Faith Secondary School | 647 | +0% | Catholic | English | 8.7 km | |
| St. David's College | 550 | +8% | Catholic | English | ✓ | 8.7 km |
| Rath Dara Community College | 323 | +28% | Inter-denominational | English | ✓ | 8.8 km |
| Oatlands College | 623 | +14% | Catholic | English | 8.9 km | |
| Lucan Community College | 966 | +5% | Multi-denominational | English | 8.9 km | |
| Blackrock College | 1,041 | +2% | Catholic | English | 9.1 km | |
| Blakestown Community School | 563 | +31% | Inter-denominational | English | ✓ | 9.1 km |
| Dominican College | 521 | +19% | Catholic | English | 9.2 km | |
| St Raphaela's Secondary School | 637 | +12% | Catholic | English | 9.3 km | |
| St Marys Secondary School | 320 | +0% | Catholic | English | ✓ | 9.4 km |
| Coláiste pobail Fóla | 758 | – | Multi-denominational | English | 9.4 km | |
| Adamstown Community College | 981 | +8% | Multi-denominational | English | 9.5 km | |
| St Pauls College | 650 | +10% | Catholic | English | 9.6 km | |
| Hartstown Community School | 1,120 | −1% | Inter-denominational | English | 9.7 km | |
| Rosemont School | 307 | +69% | Catholic | English | 9.9 km | |
| Chanel College | 451 | −21% | Catholic | English | ✓ | 9.9 km |
| Mercy College Coolock | 402 | −6% | Catholic | English | ✓ | 10 km |
| Coolock Community College | 205 | +32% | Multi-denominational | English | ✓ | 10 km |
| Eriu Community College | 193 | – | Multi-denominational | English | 11 km | |
| Coláiste Pobail Setanta | 1,079 | +2% | Multi-denominational | English | 11 km | |
| Hansfield ETSS | 867 | +34% | Multi-denominational | English | 11 km | |
| Newpark Comprehensive School | 884 | +3% | Church of Ireland | English | 11 km | |
| Manor House School | 652 | −5% | Catholic | English | 11 km | |
| Stepaside Educate Together Secondary School | 741 | +246% | Multi-denominational | English | 11 km | |
| Loreto College Foxrock | 660 | +27% | Catholic | English | 11 km | |
| Rockford Manor Secondary School | 273 | −1% | Catholic | English | 11 km | |
| Árdscoil La Salle | 289 | +74% | Catholic | English | ✓ | 12 km |
| The Donahies Community School | 488 | +4% | Inter-denominational | English | ✓ | 12 km |
| Christian Brothers College | 549 | +7% | Catholic | English | 12 km | |
| Holy Family Community School | 998 | +4% | Inter-denominational | English | 12 km | |
| Belmayne Educate Together Secondary School | 595 | +1,883% | Multi-denominational | English | 13 km | |
| Clonkeen College | 635 | +10% | Catholic | English | 13 km | |
| Grange Community College | 553 | +98% | Inter-denominational | English | ✓ | 13 km |
| Gaelcholáiste Reachrann | 453 | +2% | Inter-denominational | All in Irish | 13 km | |
| Holy Child Community School | 275 | +12% | Inter-denominational | English | ✓ | 14 km |
| Cabinteely Community School | 512 | +12% | Inter-denominational | English | ✓ | 14 km |
| Rathdown School | 364 | +38% | Church of Ireland | English | 14 km | |
| Pobalscoil Neasáin | 831 | +7% | Inter-denominational | English | 14 km | |
| Blackrock Educate Together Secondary School | 236 | – | Multi-denominational | English | 14 km | |
| Loreto College | 655 | +4% | Catholic | English | 15 km | |
| St Joseph Of Cluny Secondary School | 270 | +7% | Catholic | English | 15 km | |
| St Marys Secondary School | 230 | −16% | Catholic | English | 15 km | |
| St. Fintan's High School | 714 | +1% | Catholic | English | 15 km | |
| Coláiste Choilm | 421 | −23% | Catholic | English | 15 km | |
| St Laurence College | 302 | +17% | Catholic | English | ✓ | 15 km |
| Malahide & Portmarnock Secondary School | 696 | +939% | Multi-denominational | English | 15 km | |
| Loreto Abbey Secondary School | 757 | +16% | Catholic | English | 16 km | |
| Swords Community College | 952 | +473% | Multi-denominational | English | 16 km | |
| Santa Sabina Dominican College | 754 | +13% | Catholic | English | 16 km | |
| Sutton Park School | 503 | +36% | Church of Ireland | English | 16 km | |
| Fingal Community College | 864 | +1% | Inter-denominational | English | 16 km | |
| Holy Child Killiney | 382 | +9% | Catholic | English | 16 km | |
| St Finians Community College | 671 | +4% | Multi-denominational | English | ✓ | 16 km |
| Malahide Community School | 1,250 | +3% | Inter-denominational | English | 16 km | |
| Portmarnock Community School | 955 | +3% | Inter-denominational | English | 16 km | |
| John Scottus Secondary School | 211 | +77% | Inter-denominational | English | 17 km | |
| Woodbrook College | 623 | +51% | Catholic | English | ✓ | 18 km |
| Donabate Community College | 799 | +5% | Multi-denominational | English | 21 km | |
| Lusk Community College | 1,104 | +61% | Multi-denominational | English | 25 km | |
| St Joseph's Secondary School | 945 | +19% | Catholic | English | ✓ | 26 km |
| Skerries Community College | 1,025 | +5% | Inter-denominational | English | 31 km | |
| Ardgillan Community College | 1,014 | +6% | Multi-denominational | English | 31 km | |
| Bremore Educate Together Secondary School | 824 | +124% | Multi-denominational | English | 31 km | |
| Coláiste Ghlór na Mara | 520 | +63% | Multi-denominational | All in Irish | 32 km | |
| Balbriggan Community College | 686 | +33% | Inter-denominational | English | ✓ | 32 km |
| Loreto Secondary School | 1,220 | −5% | Catholic | English | 33 km |
Living in Crumlin
The town’s figures, not this street’s.
Homes in the D12 Eircode area
Housing in Crumlin →The median sale price rose from €393,800 in 2023 to €466,000 in 2025 (+18%).
New against second-hand, 2023 to 2025
Property Price Register sales in the D12 Eircode routing area, 2023 to 2025.
Renting in Crumlin
Cost of living in Crumlin →New tenancies in Crumlin averaged €2,076 a month in 2025, against €1,945 in 2024 (+7%).
Residential Tenancies Board rent index, new tenancies, 2024 and 2025.
Location
Directions ↗Crumlin, D12 HT22
Post-primary schools near Our Lady Of Mercy Secondary School
Nearest first, as the crow flies, up to 25 km. Each school’s own admission policy decides who gets a place.
Questions about Our Lady Of Mercy Secondary School
Is Our Lady Of Mercy Secondary School a good school?
We don’t grade it: Ireland publishes no exam results school by school, and section 53 of the Education Act 1998 restricts comparing them. Its inspection reports on gov.ie, a visit and a talk with the principal will tell you more than any table could.
How many pupils does Our Lady Of Mercy Secondary School have?
289 pupils in 2025/26. That is −6% since 2019/20.
Does Our Lady Of Mercy Secondary School teach through Irish?
No: Our Lady Of Mercy Secondary School teaches in English, with Irish as a subject.
Who runs Our Lady Of Mercy Secondary School?
Our Lady Of Mercy Secondary School has a Catholic ethos. Its patron is CEIST.
How do pupils get a place at Our Lady Of Mercy Secondary School?
Apply to the school directly. It publishes an admission policy and a yearly admission notice with its dates; if more children apply than it has places, it admits on the criteria in its policy.
Which schools of the same kind are near Our Lady Of Mercy Secondary School?
The nearest are Mercy Secondary School (0.7 km), Meanscoil Iognáid Rís (1.2 km) and Assumption Secondary School (1.3 km).
Sources: Department of Education, school lists 2025/26 (preliminary) and enrolments since 2015/16, CC BY 4.0 · inspection reports on gov.ie, linked by roll number. Under Creative Commons Attribution 4.0 (CC BY 4.0).
Facts from the Department of Education’s school lists. Listed with Crumlin; nothing here rates the school.
Contains Central Statistics Office (CSO) data, Census 2022, and Tailte Éireann boundaries (CSO Urban Areas, Small Areas, local electoral areas, constituencies), under Creative Commons Attribution 4.0 (CC BY 4.0).