School patron in Offaly
Bishop of Killaloe
Schools in County Offaly under this patron.
- Schools
- 11
- of 67 in Offaly
- Pupils
- 1,340
- 14% of Offaly's pupils
- Average school size
- 121.8
- Offaly: 138.7
- Average class size
- 21.30
- Offaly: 20.89
Growing and falling since 2015/16
Each school's change in pupils over 10 years, from 2015/16 to 2025/26. A change of 10% or more either way counts as growing or falling.
11 schools with figures for both years
Average class size in these schools went from 23.1 in 2015/16 to 21.3 in 2025/26. 5 of the 6 schools that fell by 10% or more kept or added classes. A fall in pupils can mean smaller classes rather than fewer children wanting places. Smaller classes
Sort the table below by the change column to see which schools grew or fell most.
Class sizes
Mainstream class groups only. The source does not identify which standard/year group each class group belongs to.
- Average class size
- 21.30
- Mainstream classes
- 60
- Classes of 30 or more
- 7
- Schools with a class of 30+
- 3
Teachers
Teachers in the 11 mainstream primary schools here, 2006/07 to 2025/26. Class teachers are counted every year; all teaching posts where they're known.
- Class teachers in 2025/26
- 60
- Up 1 since 2006/07, while pupils fell 7%
- Teaching posts in 2025/26
- about 103
- Estimate: 60 class teachers, 5 principals and deputies, 28 special education and 10 special class teachers
- Teachers in 2015/16
- 85
- The Department's last count of every teacher
- Since 2024/25
- 1 / 0
- 1 school gained a class teacher, 0 lost one
Class teachers since 2006/07
One for each mainstream class, every school year
What parents would prefer
282 of the 769 households with children at the 11 schools here answered the Department of Education and Youth's Primary School Survey, November–December 2025. These are preferences, not applications.
- Prefer a multi-denominational patron
- 32%
- Parents of children at school · Ireland 44%
- Prefer teaching through Irish
- 13%
- Parents of children at school · Ireland 20%
- Prefer single-sex
- 11%
- Parents of children at school · Ireland 5%
- 1 school where half or more of parents would prefer a multi-denominational patron
- 0 schools where a quarter or more would prefer teaching through Irish
- 2 of 2 single-sex schools where most parents would prefer co-educational
Source: Department of Education and Youth, Primary School Survey results, published 23 June 2026. Figures here add up the parents at each school with its own results.
Schools
11 schools, largest first.
Select a column heading to sort
| Roll number | ||||||||
|---|---|---|---|---|---|---|---|---|
| Croinchoill N SBirr | 18267Q | 243 |
−0.8%
+19.1%
+32.1%
|
+32.1%
|
8 | 29.75 | 33 | 5 |
| St Brendans MonasteryBirr | 12370C | 178 |
−4.3%
−18.7%
−12.7%
|
−12.7%
|
9 | 17.33 | 24 | 0 |
| S N Cronain NaofaRoscrea | 17523D | 171 |
−20.1%
−23.0%
−29.6%
|
−29.6%
|
8 | 19.88 | 27 | 0 |
| Mercy Primary SchoolBirr | 03220F | 141 |
−1.4%
−18.5%
−37.1%
|
−37.1%
|
8 | 16.88 | 21 | 0 |
| Ceann Eitigh N SBirr | 16802C | 132 |
+10.9%
+14.8%
+45.1%
|
+45.1%
|
6 | 22.00 | 27 | 0 |
| Shinrone Mixed N SBirr | 12343W | 121 |
+7.1%
−14.8%
−1.6%
|
−1.6%
|
5 | 23.00 | 27 | 0 |
| S N SeosamhMoneygall | 17003A | 108 |
+30.1%
+54.3%
+54.3%
|
+54.3%
|
4 | 27.00 | 30 | 1 |
| Coolderry Central NSBirr | 19638H | 82 |
−6.8%
−10.9%
−18.8%
|
−18.8%
|
4 | 20.50 | 21 | 0 |
| S N Mhuire BainrioghanBirr | 17336E | 76 |
+8.6%
+49.0%
+18.8%
|
+18.8%
|
3 | 21.67 | 28 | 0 |
| S N Caoimhin NaofaBirr | 18331W | 67 |
−1.5%
−23.9%
−19.3%
|
−19.3%
|
3 | 22.33 | 30 | 1 |
| S N Ros Com RuaRoscrea | 18537T | 21 |
−8.7%
−4.5%
−8.7%
|
−8.7%
|
2 | 10.50 | 11 | 0 |
No schools match that filter.