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

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Roll number: 17979A Lower Kilmacud Road, Stillorgan, Co. Dublin

School details

Address: Lower Kilmacud Road, Stillorgan, Co. Dublin (A94E2N7)
Email: [email protected]
Phone: 012831148
Principal: Grainne McGowan
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Dun Laoghaire Rathdown
School patron: Archbishop of Dublin
School type: Ordinary
School level: All-Through School
Planning area: Goatstown_Stillorgan_DLR

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: 2024/25: 456 in 2023/24 → 440, -16 pupils.
Largest single-class increase: 5th Class in 2023/24 (60 → 63, +3).
Largest single-class decrease: 5th Class in 2025/26 (preliminary) (65 → 0, -65).
Largest cohort-step gain: 4th → 5th in 2024/25 (60 → 65, +5).
Largest cohort-step loss: JI → SI in 2024/25 (45 → 39, -6).
Overall: 473 (2020/21) → 434 (2025/26 (preliminary)), -39.

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	45	60	51.8	5
Senior Infants	39	60	54.0	5
1st Class	55	60	58.4	5
2nd Class	57	60	58.8	5
3rd Class	57	61	59.4	5
4th Class	59	60	59.4	5
5th Class	59	65	61.2	5
6th Class	55	62	58.0	5
Total	434	473	456.5	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 60

-1

SI 2021/22 59

-1

1st 2022/23 58

-1

2nd 2023/24 57

3rd 2024/25 57

Cohort 2021/22

JI 2021/22 57

SI 2022/23 59

1st 2023/24 59

-1

2nd 2024/25 58

Cohort 2022/23

JI 2022/23 52

SI 2023/24 53

1st 2024/25 55

Cohort 2023/24

JI 2023/24 45

-6

SI 2024/25 39

Cohort 2024/25

JI 2024/25 45

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	473	–	60	60	60	60	59	60	59	55	473
2021/22	469	–	57	59	60	59	60	59	59	56	469
2022/23	467	–	52	59	58	60	61	59	60	58	467
2023/24	456	–	45	53	59	57	60	60	63	59	456
2024/25	440	–	45	39	55	58	57	59	65	62	440
2025/26 (preliminary)	434	–	–	–	–	–	–	–	–	–	434