School planning area
Rathfarnham
11 primary schools and 3,792 pupils in 2025/26, in County Dublin.
- Pupils in 2025/26
- 3,792
- −100 on 2024/25
- Since 2015/16
- −5.6%
- 4,016 pupils in 2015/16
- Schools
- 11
- No change on 2024/25
- Average class size
- 23.44
- Average school size: 344.7
Trends in Rathfarnham
Each year counts the schools in this planning area today, plus any that closed from 2023/24. Dotted lines bridge 1983/84 to 1992/93. 1974/75 is left out because that year's source file is missing five counties.
The Department's files only record planning areas from 2023/24, so schools that closed or amalgamated before then aren't counted in any area. The further back you go, the more pupils are missing, and an amalgamation can look like a sudden rise. Across County Dublin, schools with no planning area had 1.5% of pupils in 2015/16, 5.3% in 2005/06 and 36.8% in 1975/76. Known data issues
Pupils
3,792
−100 on 2024/25
Schools
11
5 in 1975/76
Average pupils per school
344.7
416.2 in 1975/76
Average class size
23.44
−0.23 on 2024/25
Pupils in these schools
Junior infants, girls and boys, and Irish-medium schools over time, for the same schools as the trends above.
Junior infants
Pupils starting school each year. Class-by-class figures start in 2020/21. 472 in 2025/26, +53 on 2024/25.
Girls and boys
From 1976/77: earlier files don't split every school's pupils into girls and boys.
Irish-medium schools
Pupils in schools that teach all subjects through Irish (1 school today). 233 pupils in 2025/26, 6.1% of the area's pupils, against 5.9% in 2015/16. Each school counts under its current classification for every year.
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 26.3 in 2015/16 to 23.4 in 2025/26. 3 of the 4 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
- 23.44
- Mainstream classes
- 159
- Classes of 30 or more
- 4
- 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
- 159
- Up 21 since 2006/07, while pupils rose 1%
- Teaching posts in 2025/26
- about 245
- Estimate: 159 class teachers, 12 principals and deputies, 63 special education and 11 special class teachers
- Teachers in 2015/16
- 223
- The Department's last count of every teacher
- Since 2024/25
- 0 / 3
- 0 schools gained a class teacher, 3 lost one
Class teachers since 2006/07
One for each mainstream class, every school year
Special schools and special classes
1 special school in the Rathfarnham planning area, and the special classes in its 11 mainstream schools. Special schools aren't counted in the pupils, class sizes or teachers above.
- Pupils in special schools
- 30
- In 1 school, up from 21 in 2015/16
- Special classes in 2025/26
- 11
- In 6 of 11 schools. 7 in 2020/21
- Allocated for 2026/27
- 13
- In 7 schools: 2 new classes, 1 school with its first
- Autism classes
- 6
- 55% of special classes
Special classes since 2020/21
In the Rathfarnham planning area's mainstream schools, from the NCSE's yearly lists
- 2020/21 7
- 2021/22 8
- 2022/23 8
- 2023/24 8
- 2024/25 9
- 2025/26 11
- 2026/27 13
2026/27, dashed: allocated for next year.
| Special school | Pupils | Since 2015/16 | Teaching posts | SNAs |
|---|---|---|---|---|
| Saplings Special SchoolDublin 16 · Autism | 30 | – | 6 | 25 |
Sources: Department of Education enrolment lists; NCSE special class lists and special school allocations (CC BY 4.0).
What parents would prefer
1,723 households answered the Department of Education and Youth's Primary School Survey for the Rathfarnham planning area: 1,191 with children at its schools and 532 with children not yet at school. Each said whether they would prefer co-educational or single-sex schooling, a denominational or multi-denominational patron, and teaching through Irish or English.
- Households that answered
- 1,723
- 46% of households asked
- Prefer a multi-denominational patron
- 58% / 66%
- Children at school / not yet at school
- Prefer teaching through Irish
- 20% / 24%
- Children at school / not yet at school
- Prefer single-sex
- 9% / 11%
- Children at school / not yet at school
Preferences beside what the schools offer now
Share of pupils in schools of each kind in the area, and share of parents who would prefer it
- Pupils in such schools now
- Parents: children at school
- Parents: children not yet at school
Multi-denominational patron
No school here now
Teaching through Irish
233 pupils (6%) in 1 school
Single-sex
1,214 pupils (32%) in 3 schools
Bars run from 0 to 100%.
Each school's parents
Parents of children at each school. Bold marks the school's set-up now.
| St Colmcille Senior N SDublin 16 | 744 | 260 of 619 | ±5.1 | 50% | 11% | 2% | 135 answered |
|---|---|---|---|---|---|---|---|
| Scoil Colmcille NaofaDublin 16 | 721 | 295 of 584 | ±4.8 | 54% | 11% | 1% | 31 answered |
| St Patrick GNSDublin 16 | 472 | 173 of 392 | ±6.2 | 55% | 14% | 12% | – |
| Ballyroan B N SDublin 16 | 375 | 137 of 311 | ±7 | 47% | 14% | 17% | – |
| Scoil Mhuire BoysDublin 14 | 367 | 141 of 309 | ±6.9 | 46% | 12% | 31% | 34 answered |
| Gaelscoil Chnoc LiamhnaBaile Átha Cliath 16 | 233 | 71 of 166 | ±9.6 | 44% | 99% | 1% | 78 answered |
| Rathfarnham Parish N SDublin 14 | 215 | 56 of 151 | ±10.7 | 70% | 9% | 0% | – |
| Scoil Naisiunta an Dea AoireDublin 14 | 209 | 55 of 159 | ±10.8 | 44% | 18% | 7% | – |
| Whitechurch Nat SchoolDublin 16 | 194 | 70 of 136 | ±9.6 | 64% | 10% | 1% | – |
| Scoil MhuireDublin 16 | 187 | 38 of 134 | ±12.9 | 42% | 21% | 0% | – |
| S N Bhaile EamonnDublin 16 | 75 | 27 of 59 | ±15.1 | 41% | 15% | 0% | – |
Grey margins of error are 15 points or more: so few parents answered that the figures could be well off. “Too few to publish”: the Department held back the school's results, but its parents' answers still count in the area figures. Not yet at school: how many parents of children not yet at school chose the school, shown where 30 or more did. Special schools in the area are counted in the area figures above.
Source: Department of Education and Youth, Primary School Survey results, published 23 June 2026. The area figures count each household once, including parents at schools too small for their own results, so they aren't the school figures added up. About these figures
Schools
11 schools, largest first. A dash in the change column means the school had no pupils recorded in that year, usually because it opened later or took a new roll number after an amalgamation.
Select a column heading to sort
| Roll number | ||||||||
|---|---|---|---|---|---|---|---|---|
| St Colmcille Senior N SDublin 16 | 19742C | 744 |
−7.2%
+4.9%
+2.5%
|
+2.5%
|
29 | 25.66 | 27 | 0 |
| Scoil Colmcille NaofaDublin 16 | 19474D | 721 |
−7.1%
−11.5%
+1.0%
|
+1.0%
|
29 | 24.66 | 26 | 0 |
| St Patrick GNSDublin 16 | 19114T | 472 |
−15.7%
−8.5%
+16.0%
|
+16.0%
|
20 | 23.35 | 30 | 1 |
| Ballyroan B N SDublin 16 | 03359N | 375 |
−7.2%
+5.3%
+42.0%
|
+42.0%
|
16 | 23.44 | 31 | 2 |
| Scoil Mhuire BoysDublin 14 | 19446V | 367 |
−16.0%
−19.9%
−13.2%
|
−13.2%
|
16 | 22.94 | 28 | 0 |
| Gaelscoil Chnoc LiamhnaBaile Átha Cliath 16 | 20043G | 233 |
+8.4%
−1.3%
−0.9%
|
−0.9%
|
9 | 25.89 | 29 | 0 |
| Rathfarnham Parish N SDublin 14 | 14939T | 215 |
−5.3%
−7.3%
−8.9%
|
−8.9%
|
8 | 26.88 | 30 | 1 |
| Scoil Naisiunta an Dea AoireDublin 14 | 19939V | 209 |
+1.0%
+15.5%
−18.4%
|
−18.4%
|
9 | 19.89 | 25 | 0 |
| Whitechurch Nat SchoolDublin 16 | 11638N | 194 |
−10.2%
+6.0%
+30.2%
|
+30.2%
|
8 | 23.50 | 25 | 0 |
| Scoil MhuireDublin 16 | 19490B | 187 |
−21.4%
−22.1%
−18.0%
|
−18.0%
|
11 | 15.36 | 23 | 0 |
| S N Bhaile EamonnDublin 16 | 17953F | 75 |
−23.5%
−16.7%
−17.6%
|
−17.6%
|
4 | 18.75 | 23 | 0 |
No schools match that filter.