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ST JOSEPHS

Roll number: 19938T Tivoli Road, Dun Laoghaire, Co. Dublin

School details

Address: Tivoli Road, Dun Laoghaire, Co. Dublin (A96VF34)
Email: [email protected]
Phone: 012803504
Principal: Padraic Fay
Ethos: Catholic
DEIS: Y
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Dun Laoghaire Rathdown
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Dunlaoghaire

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: 2018/19: 200 in 2017/18 → 263, +63 pupils.
Biggest loss in a single year: 2024/25: 427 in 2023/24 → 392, -35 pupils.
Largest single-class increase: 5th Class in 2022/23 (27 → 57, +30).
Largest single-class decrease: Junior Infants in 2023/24 (57 → 37, -20).
Largest cohort-step gain: JI → SI in 2022/23 (44 → 54, +10).
Largest cohort-step loss: 1st → 2nd in 2024/25 (59 → 48, -11).
Overall: 260 (1993/94) → 370 (2025/26 (preliminary)), 110.

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	37	57	44.6	5
Senior Infants	40	60	49.8	5
1st Class	49	60	55.8	5
2nd Class	42	60	50.6	5
3rd Class	42	56	49.2	5
4th Class	30	52	45.2	5
5th Class	27	57	43.0	5
6th Class	30	59	40.0	5
Total	105	427	202.8	33

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 38

SI 2021/22 40

1st 2022/23 49

-3

2nd 2023/24 46

3rd 2024/25 47

Cohort 2021/22

JI 2021/22 44

+10

SI 2022/23 54

1st 2023/24 59

-11

2nd 2024/25 48

Cohort 2022/23

JI 2022/23 57

SI 2023/24 60

-7

1st 2024/25 53

Cohort 2023/24

JI 2023/24 37

SI 2024/25 40

Cohort 2024/25

JI 2024/25 47

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
1993/94	92	168	–	–	–	–	–	–	–	–	260
1994/95	88	146	–	–	–	–	–	–	–	–	234
1995/96	74	129	–	–	–	–	–	–	–	–	203
1996/97	73	123	–	–	–	–	–	–	–	–	196
1997/98	65	112	–	–	–	–	–	–	–	–	177
1998/99	68	100	–	–	–	–	–	–	–	–	168
1999/00	61	91	–	–	–	–	–	–	–	–	152
2000/01	58	79	–	–	–	–	–	–	–	–	137
2001/02	51	60	–	–	–	–	–	–	–	–	111
2002/03	49	70	–	–	–	–	–	–	–	–	119
2003/04	55	84	–	–	–	–	–	–	–	–	139
2004/05	56	88	–	–	–	–	–	–	–	–	144
2005/06	54	80	–	–	–	–	–	–	–	–	134
2006/07	56	104	–	–	–	–	–	–	–	–	160
2007/08	56	96	–	–	–	–	–	–	–	–	152
2008/09	62	85	–	–	–	–	–	–	–	–	147
2009/10	49	75	–	–	–	–	–	–	–	–	124
2010/11	47	63	–	–	–	–	–	–	–	–	110
2011/12	50	55	–	–	–	–	–	–	–	–	105
2012/13	51	58	–	–	–	–	–	–	–	–	109
2013/14	42	64	–	–	–	–	–	–	–	–	106
2014/15	53	72	–	–	–	–	–	–	–	–	125
2015/16	57	78	–	–	–	–	–	–	–	–	135
2016/17	76	92	–	–	–	–	–	–	–	–	168
2017/18	101	99	–	–	–	–	–	–	–	–	200
2018/19	125	138	–	–	–	–	–	–	–	–	263
2019/20	145	171	–	–	–	–	–	–	–	–	316
2020/21	157	182	38	55	60	42	47	30	29	30	339
2021/22	157	197	44	40	58	57	42	47	27	31	354
2022/23	192	224	57	54	49	60	54	47	57	30	416
2023/24	196	231	37	60	59	46	56	52	52	59	427
2024/25	173	219	47	40	53	48	47	50	50	50	392
2025/26 (preliminary)	168	202	–	–	–	–	–	–	–	–	370