St Michael's and St Peter's Junior School
Arklow · Roll number 20470C
- Catholic ethos
- DEIS
- Ordinary with Special Classes
- Pupils in 2025/26
- 250
- −28 on 2024/25
- Over 10 years
- −42%
- Down 185 from 435 in 2015/16
- Girls and boys
- 136 / 114
- 54% girls
Pupils since 2015
Total enrolment each school year
Shaded: the last 10 years, 2015/16 to 2025/26.
Pupils by class
Published for each class from 2020/21.
This year, 2025/26
250 pupils across 8 classes
Every class, every year
Darker cells have more pupils. A group of pupils moves down one class and right one year.
| 2020/21 | 2021/22 | 2022/23 | 2023/24 | 2024/25 | 2025/26 | Average | |
|---|---|---|---|---|---|---|---|
| Junior Infants | 82 | 78 | 59 | 58 | 64 | 56 | 66.2 |
| Senior Infants | 75 | 84 | 78 | 58 | 59 | 74 | 71.3 |
| 1st Class | 81 | 75 | 84 | 77 | 54 | 61 | 72.0 |
| 2nd Class | 98 | 80 | 75 | 83 | 77 | 59 | 78.7 |
| 3rd Class | – | – | – | – | – | 0 | 0.0 |
| 4th Class | – | – | – | – | – | 0 | 0.0 |
| 5th Class | – | – | – | – | – | 0 | 0.0 |
| 6th Class | – | – | – | – | – | 0 | 0.0 |
JI and SI are Junior and Senior Infants.
Started Junior Infants in 2024/25
64 in Junior Infants (2024/25), 74 in Senior Infants (2025/26): 10 pupils more.
- 64Junior Infants2024/25
- 74Senior Infants2025/26
Started Junior Infants in 2023/24
58 in Junior Infants (2023/24), 61 in 1st Class (2025/26): 3 pupils more.
- 58Junior Infants2023/24
- 59Senior Infants2024/25
- 611st Class2025/26
Started Junior Infants in 2022/23
59 in Junior Infants (2022/23), 59 in 2nd Class (2025/26): no change.
- 59Junior Infants2022/23
- 58Senior Infants2023/24
- 541st Class2024/25
- 592nd Class2025/26
Started Junior Infants in 2021/22
78 in Junior Infants (2021/22), 0 in 3rd Class (2025/26): 78 pupils fewer.
- 78Junior Infants2021/22
- 78Senior Infants2022/23
- 771st Class2023/24
- 772nd Class2024/25
- 03rd Class2025/26
Started Junior Infants in 2020/21
82 in Junior Infants (2020/21), 0 in 4th Class (2025/26): 82 pupils fewer.
- 82Junior Infants2020/21
- 84Senior Infants2021/22
- 841st Class2022/23
- 832nd Class2023/24
- 04th Class2025/26
In Senior Infants in 2020/21
75 in Senior Infants (2020/21), 0 in 5th Class (2025/26): 75 pupils fewer.
- 75Senior Infants2020/21
- 751st Class2021/22
- 752nd Class2022/23
- 05th Class2025/26
In 1st Class in 2020/21
81 in 1st Class (2020/21), 0 in 6th Class (2025/26): 81 pupils fewer.
- 811st Class2020/21
- 802nd Class2021/22
- 06th Class2025/26
Biggest one-year changes in a class
- +15Senior Infants in 2025/26 (59 to 74)
- −231st Class in 2024/25 (77 to 54)
Class sizes
Mainstream class groups, 2015/16 to 2025/26.
Why these won't match pupils by class
Mainstream class groups only. The source does not identify which standard/year group each class group belongs to. So these figures won't match the pupils-by-class figures exactly.
In 2025/26. Choose a figure to chart it.
Class sizes over time
Average class size, 2015/16 to 2025/26
Teachers
Who teaches at St Michael's and St Peter's Junior School, 2015/16 to 2025/26.
How we count teachers
Class teachers come from the Department of Education's class sizes: one for each mainstream class. Special education and special class teachers are the posts the National Council for Special Education (NCSE) allocates. We add a principal who doesn't teach a class where the Department's rules give the school one. These are posts, not people: part of a post can be a teacher shared with another school. Up to 2015/16 the Department counted every teacher itself. Known data issues
In 2025/26
24.3teaching posts
Our estimate: about 24 teachers.
- Class teachersOne for each of the 12 mainstream classes 12
- PrincipalRuns the school and doesn't teach a class 1
- Special education teachers182.5 hours of support teaching a week 7.3
- Special class teachersFor 3 autism classes and an early intervention class 4
13.81 special needs assistants (SNAs) also work with pupils. 22 pupils are in special classes, which the class sizes leave out.
The NCSE has allocated 6.9 special education teachers, 4 special class teachers and 13.81 SNAs for next year.
Teachers since 2015/16
Teachers each school year, by role
To 2015/16: the Department of Education's count of every teacher. From 2019/20: our estimate, from class sizes and the NCSE's allocations. Dashed boxes: no special education figures were published for those years, so only class teachers and the principal are shown. Known data issues
Sources: Department of Education class sizes and teacher counts; NCSE school allocations and special classes (CC BY 4.0).
Nearby schools
The 6 primary schools closest to St Michael's and St Peter's Junior School, measured in a straight line. Pupil numbers are for 2025/26.
| Number on map | School | Distance | Pupils | Since 2015/16 |
|---|---|---|---|---|
| St Michael's and St Peter's Junior SchoolThis school | – | 250 |
−42.5%
|
|
| 1 | St John's Senior School0.7 km · Arklow · Some subjects through Irish · DEIS | 0.7 km | 323 |
−13.9%
|
| 2 | Carysfort MXD N S0.7 km · Arklow · Church of Ireland | 0.7 km | 197 |
−8.4%
|
| 3 | Gaelscoil an Inbhir Mhoir1.2 km · An tInbhear Mór · Gaelscoil · Inter-denominational | 1.2 km | 242 |
−29.0%
|
| 4 | St Josephs N S1.6 km · Arklow | 1.6 km | 500 |
−24.5%
|
| 5 | S N Naomh Padraig5.2 km · Arklow | 5.2 km | 76 |
−14.6%
|
| 6 | S N Cul Greine6.3 km · Gorey · DEIS | 6.3 km | 115 |
+15.0%
|
About this school
Inspection reports open on gov.ie, under the name the school had when it was inspected. They describe specific areas of the school's work rather than giving an overall grade. Newer schools may not have one yet.
Contact
- Principal
- Lisa Dempsey
- Phone
- 040239861
- [email protected]
- Address
- Hickey's Hill;, Arklow, Y14 HY40
School
- Ethos
- Catholic
- Patron
- Archbishop of Dublin
- School type
- Ordinary with Special Classes
- School level
- Junior
- DEIS
- DEIS
Language and area
- Irish classification
- No subjects through Irish
- Gaeltacht
- Non-Gaeltacht
- Island
- Not on an island
- Local authority
- Wicklow County Council
- Planning area
- Arklow
Each detail is the latest one the Department of Education has recorded for this school. If a detail was left blank in 2025/26, we show it from an earlier year, so some details may be older than the pupil numbers. Known data issues
Data by year
11 school years from 2015/16 to 2025/26. Class figures start in 2020/21.
| Year | Total | Girls | Boys | JI | SI | 1st | 2nd | 3rd | 4th | 5th | 6th |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/26 | 250 | 136 | 114 | 56 | 74 | 61 | 59 | 0 | 0 | 0 | 0 |
| 2024/25 | 278 | 149 | 129 | 64 | 59 | 54 | 77 | – | – | – | – |
| 2023/24 | 299 | 161 | 138 | 58 | 58 | 77 | 83 | – | – | – | – |
| 2022/23 | 320 | 172 | 148 | 59 | 78 | 84 | 75 | – | – | – | – |
| 2021/22 | 337 | 165 | 172 | 78 | 84 | 75 | 80 | – | – | – | – |
| 2020/21 | 350 | 175 | 175 | 82 | 75 | 81 | 98 | – | – | – | – |
| 2019/20 | 363 | 174 | 189 | – | – | – | – | – | – | – | – |
| 2018/19 | 412 | 199 | 213 | – | – | – | – | – | – | – | – |
| 2017/18 | 460 | 230 | 230 | – | – | – | – | – | – | – | – |
| 2016/17 | 452 | 228 | 224 | – | – | – | – | – | – | – | – |
| 2015/16 | 435 | 229 | 206 | – | – | – | – | – | – | – | – |