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

ST CIARANS N S

Roll number: 19644C Hartstown, Dublin 15

School details

Address: Hartstown, Dublin 15 (D15ED83)
Email: [email protected]
Phone: 018212233
Principal: Tadhg MacAmhlaoibh
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Fingal County Council
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: BlanchardstownVge_D15

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 gain in a single year: 1993/94: 140 in 1983/84 → 899, +759 pupils.
Biggest loss in a single year: 2023/24: 601 in 2022/23 → 562, -39 pupils.
Largest single-class increase: Junior Infants in 2024/25 (47 → 61, +14).
Largest single-class decrease: Junior Infants in 2023/24 (73 → 47, -26).
Largest cohort-step gain: 1st → 2nd in 2024/25 (71 → 75, +4).
Largest cohort-step loss: 1st → 2nd in 2021/22 (82 → 76, -6).
Overall: 52 (1981/82) → 530 (2025/26 (preliminary)), 478.

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	47	73	64.0	5
Senior Infants	49	80	67.8	5
1st Class	68	82	73.6	5
2nd Class	69	78	74.6	5
3rd Class	67	77	72.4	5
4th Class	73	88	77.4	5
5th Class	72	86	78.0	5
6th Class	74	90	81.2	5
Total	52	899	687.1	36

Total enrolment over time

Total and gender trends use historical records where available. Class-level data starts in 2020/21.

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 70

-3

SI 2021/22 67

1st 2022/23 69

2nd 2023/24 69

-2

3rd 2024/25 67

Cohort 2021/22

JI 2021/22 69

SI 2022/23 71

1st 2023/24 71

2nd 2024/25 75

Cohort 2022/23

JI 2022/23 73

-1

SI 2023/24 72

-4

1st 2024/25 68

Cohort 2023/24

JI 2023/24 47

SI 2024/25 49

Cohort 2024/25

JI 2024/25 61

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
1981/82	29	23	–	–	–	–	–	–	–	–	52
1982/83	45	46	–	–	–	–	–	–	–	–	91
1983/84	70	70	–	–	–	–	–	–	–	–	140
1993/94	452	447	–	–	–	–	–	–	–	–	899
1994/95	451	438	–	–	–	–	–	–	–	–	889
1995/96	449	427	–	–	–	–	–	–	–	–	876
1996/97	463	423	–	–	–	–	–	–	–	–	886
1997/98	436	434	–	–	–	–	–	–	–	–	870
1998/99	415	434	–	–	–	–	–	–	–	–	849
1999/00	389	430	–	–	–	–	–	–	–	–	819
2000/01	365	417	–	–	–	–	–	–	–	–	782
2001/02	357	397	–	–	–	–	–	–	–	–	754
2002/03	362	398	–	–	–	–	–	–	–	–	760
2003/04	349	405	–	–	–	–	–	–	–	–	754
2004/05	337	396	–	–	–	–	–	–	–	–	733
2005/06	349	385	–	–	–	–	–	–	–	–	734
2006/07	358	383	–	–	–	–	–	–	–	–	741
2007/08	359	368	–	–	–	–	–	–	–	–	727
2008/09	365	382	–	–	–	–	–	–	–	–	747
2009/10	366	385	–	–	–	–	–	–	–	–	751
2010/11	380	402	–	–	–	–	–	–	–	–	782
2011/12	389	407	–	–	–	–	–	–	–	–	796
2012/13	376	408	–	–	–	–	–	–	–	–	784
2013/14	372	405	–	–	–	–	–	–	–	–	777
2014/15	358	389	–	–	–	–	–	–	–	–	747
2015/16	346	385	–	–	–	–	–	–	–	–	731
2016/17	345	380	–	–	–	–	–	–	–	–	725
2017/18	341	365	–	–	–	–	–	–	–	–	706
2018/19	320	352	–	–	–	–	–	–	–	–	672
2019/20	311	348	–	–	–	–	–	–	–	–	659
2020/21	308	335	70	80	82	75	74	88	84	90	643
2021/22	294	318	69	67	78	76	73	74	86	83	612
2022/23	285	316	73	71	69	78	71	74	75	84	601
2023/24	259	303	47	72	71	69	77	73	72	75	562
2024/25	261	293	61	49	68	75	67	78	73	74	554
2025/26 (preliminary)	245	285	–	–	–	–	–	–	–	–	530