By area · Release notes. Enrolment by planning area, local authority, school patron, county.

St Michael's and St Peter's Junior School

Roll number: 20470C Hickey's Hill;, Arklow

School details

Address: Hickey's Hill;, Arklow (Y14HY40)
Email: [email protected]
Phone: 040239861
Principal: Lisa Dempsey
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Wicklow County Council
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: Junior
Planning area: Arklow

Preliminary data

The latest year shown (2025/26) is preliminary and subject to revision when the official enrolment figures are released by the Department of Education.

Data highlights

Key numbers to spot outliers or notable changes.

Biggest loss in a single year: 2025/26 (preliminary): 278 in 2024/25 → 250, -28 pupils.
Largest single-class increase: Senior Infants in 2021/22 (75 → 84, +9).
Largest single-class decrease: 2nd Class in 2025/26 (preliminary) (77 → 0, -77).
Largest cohort-step gain: JI → SI in 2021/22 (82 → 84, +2).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (98 → 0, -98).
Overall: 350 (2020/21) → 250 (2025/26 (preliminary)), -100.

Summary statistics (class-level data)

Min / max / mean enrolment per class across the available years (2020/21–2024/25; preliminary year excluded from class stats).

Class	Min	Max	Mean	Years
Junior Infants	58	82	68.2	5
Senior Infants	58	84	70.8	5
1st Class	54	84	74.2	5
2nd Class	75	98	82.6	5
Total	250	350	305.7	6

Total enrolment over time

Enrolment by gender over time

Enrolment by class over time

Cohort progression

Base cohort:

Track how each cohort (pupils who were in the same class in the same year) progresses through the school. Each step shows the count; the number between steps is the net change (pupils gained minus pupils lost).

Cohort 2020/21

JI 2020/21 82

SI 2021/22 84

1st 2022/23 84

-1

2nd 2023/24 83

-83

3rd 2024/25 0

Cohort 2021/22

JI 2021/22 78

SI 2022/23 78

-1

1st 2023/24 77

2nd 2024/25 77

Cohort 2022/23

JI 2022/23 59

-1

SI 2023/24 58

-4

1st 2024/25 54

Cohort 2023/24

JI 2023/24 58

SI 2024/25 59

Cohort 2024/25

JI 2024/25 64

Raw data by year

Years marked (preliminary) are subject to revision when official data are published.

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
2020/21	175	175	82	75	81	98	–	–	–	–	350
2021/22	165	172	78	84	75	80	–	–	–	–	337
2022/23	172	148	59	78	84	75	–	–	–	–	320
2023/24	161	138	58	58	77	83	–	–	–	–	299
2024/25	149	129	64	59	54	77	–	–	–	–	278
2025/26 (preliminary)	136	114	–	–	–	–	–	–	–	–	250