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ST JOSEPHS BOYS N S

Roll number: 09750S Terenure Road East, Dublin 6

School details

Address: Terenure Road East, Dublin 6 (D06ED86)
Email: [email protected]
Phone: 014906905
Principal: Anne McCabe
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Dublin City Council
School patron: Archbishop of Dublin
School type: Ordinary
School level: All-Through School
Planning area: Dublin6_Clonskeagh

Class size history

Mainstream class group data is shown separately from standard/year-group enrolment data. The source does not identify which standard/year group each class group belongs to.

Average class size

22.69

2025/26

Mainstream classes

2025/26

Largest class group

2025/26

Classes with 30+ pupils

2025/26

Class group metrics trend

Class group metrics by year

Year	Mainstream class pupils	Mainstream classes	Average class size	Largest class	Classes 30+
2006/07	496	16	31.00	36	11
2007/08	477	16	29.81	32	10
2008/09	477	16	29.81	32	11
2009/10	482	16	30.12	32	11
2010/11	474	16	29.62	32	9
2011/12	488	16	30.50	33	11
2012/13	482	16	30.12	31	14
2013/14	480	16	30.00	32	9
2014/15	476	16	29.75	32	11
2015/16	481	16	30.06	32	13
2016/17	470	16	29.38	32	9
2017/18	458	16	28.62	31	5
2019/20	445	16	27.81	31	3
2020/21	431	16	26.94	31	2
2021/22	436	16	27.25	31	2
2022/23	415	16	25.94	31	1
2023/24	406	16	25.38	30	1
2024/25	379	16	23.69	30	1
2025/26	363	16	22.69	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1994/95: 529 in 1993/94 → 565, +36 pupils.
Biggest loss in a single year: 2024/25: 406 in 2023/24 → 379, -27 pupils.
Largest single-class increase: 1st Class in 2021/22 (50 → 61, +11).
Largest single-class decrease: 3rd Class in 2024/25 (57 → 42, -15).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (50 → 53, +3).
Largest cohort-step loss: 3rd → 4th in 2022/23 (58 → 51, -7).
Overall: 503 (1974/75) → 363 (2025/26), -140.

Summary statistics (class-level data)

Min / max / mean enrolment per class across the available final by-standard years.

Class	Min	Max	Mean	Years
Junior Infants	34	57	44.0	6
Senior Infants	36	59	48.3	6
1st Class	44	61	51.0	6
2nd Class	45	57	50.3	6
3rd Class	42	58	52.0	6
4th Class	44	60	52.0	6
5th Class	51	56	53.5	6
6th Class	51	56	53.8	6
Total	363	579	493.3	42

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 48

-1

SI 2021/22 47

1st 2022/23 48

-2

2nd 2023/24 46

-4

3rd 2024/25 42

4th 2025/26 44

Cohort 2021/22

JI 2021/22 57

-1

SI 2022/23 56

-1

1st 2023/24 55

-5

2nd 2024/25 50

3rd 2025/26 53

Cohort 2022/23

JI 2022/23 46

SI 2023/24 47

1st 2024/25 48

-3

2nd 2025/26 45

Cohort 2023/24

JI 2023/24 44

SI 2024/25 45

-1

1st 2025/26 44

Cohort 2024/25

JI 2024/25 35

SI 2025/26 36

Cohort 2025/26

JI 2025/26 34

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	–	503	–	–	–	–	–	–	–	–	503
1975/76	–	–	–	–	–	–	–	–	–	–	536
1976/77	–	549	–	–	–	–	–	–	–	–	549
1977/78	–	537	–	–	–	–	–	–	–	–	537
1978/79	–	534	–	–	–	–	–	–	–	–	534
1979/80	–	511	–	–	–	–	–	–	–	–	511
1980/81	–	513	–	–	–	–	–	–	–	–	513
1981/82	–	504	–	–	–	–	–	–	–	–	504
1982/83	–	502	–	–	–	–	–	–	–	–	502
1993/94	–	529	–	–	–	–	–	–	–	–	529
1994/95	–	565	–	–	–	–	–	–	–	–	565
1995/96	–	579	–	–	–	–	–	–	–	–	579
1996/97	–	568	–	–	–	–	–	–	–	–	568
1997/98	–	554	–	–	–	–	–	–	–	–	554
1998/99	–	543	–	–	–	–	–	–	–	–	543
1999/00	–	534	–	–	–	–	–	–	–	–	534
2000/01	–	523	–	–	–	–	–	–	–	–	523
2001/02	–	532	–	–	–	–	–	–	–	–	532
2002/03	–	522	–	–	–	–	–	–	–	–	522
2003/04	–	510	–	–	–	–	–	–	–	–	510
2004/05	–	503	–	–	–	–	–	–	–	–	503
2005/06	–	500	–	–	–	–	–	–	–	–	500
2006/07	–	496	–	–	–	–	–	–	–	–	496
2007/08	–	477	–	–	–	–	–	–	–	–	477
2008/09	–	477	–	–	–	–	–	–	–	–	477
2009/10	–	482	–	–	–	–	–	–	–	–	482
2010/11	–	474	–	–	–	–	–	–	–	–	474
2011/12	–	488	–	–	–	–	–	–	–	–	488
2012/13	–	482	–	–	–	–	–	–	–	–	482
2013/14	–	480	–	–	–	–	–	–	–	–	480
2014/15	–	476	–	–	–	–	–	–	–	–	476
2015/16	–	481	–	–	–	–	–	–	–	–	481
2016/17	–	470	–	–	–	–	–	–	–	–	470
2017/18	–	458	–	–	–	–	–	–	–	–	458
2018/19	–	453	–	–	–	–	–	–	–	–	453
2019/20	–	445	–	–	–	–	–	–	–	–	445
2020/21	–	431	48	59	50	55	53	60	55	51	431
2021/22	–	436	57	47	61	49	58	52	56	56	436
2022/23	–	415	46	56	48	57	49	51	53	55	415
2023/24	–	406	44	47	55	46	57	52	51	54	406
2024/25	–	379	35	45	48	50	42	53	53	53	379
2025/26	–	363	34	36	44	45	53	44	53	54	363