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EOIN BAISDE C NAOIDH

Roll number: 19007S Seafield Road West, Clontarf, Dublin 3

School details

Address: Seafield Road West, Clontarf, Dublin 3 (D03XK27)
Email: [email protected]
Phone: 018332459
Principal: Dearbhla O'Driscoll
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: Junior
Planning area: Killester_Raheny_Clontarf

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

26.88

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	257	9	28.56	30	1
2007/08	254	9	28.22	30	1
2008/09	249	9	27.67	29	0
2009/10	246	9	27.33	29	0
2010/11	243	9	27.00	29	0
2011/12	256	9	28.44	32	3
2012/13	258	9	28.67	32	3
2013/14	259	9	28.78	32	3
2014/15	251	9	27.89	28	0
2015/16	252	9	28.00	28	0
2016/17	250	9	27.78	28	0
2017/18	277	10	27.70	29	0
2019/20	276	10	27.60	28	0
2020/21	243	9	27.00	28	0
2021/22	234	9	26.00	28	0
2022/23	220	9	24.44	25	0
2023/24	216	9	24.00	25	0
2024/25	203	9	22.56	24	0
2025/26	215	8	26.88	34	2

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1996/97: 211 in 1995/96 → 248, +37 pupils.
Biggest loss in a single year: 1978/79: 334 in 1977/78 → 284, -50 pupils.
Largest single-class increase: Junior Infants in 2025/26 (66 → 81, +15).
Largest single-class decrease: 1st Class in 2022/23 (82 → 75, -7).
Largest cohort-step gain: SI → 1st in 2023/24 (74 → 75, +1).
Largest cohort-step loss: 1st → 2nd in 2021/22 (83 → 0, -83).
Overall: 302 (1974/75) → 215 (2025/26), -87.

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	66	81	73.3	6
Senior Infants	67	82	73.3	6
1st Class	67	83	75.2	6
2nd Class	0	0	0.0	1
3rd Class	0	0	0.0	1
4th Class	0	0	0.0	1
5th Class	0	0	0.0	1
6th Class	0	0	0.0	1
Total	203	335	255.4	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 78

-1

SI 2021/22 77

-2

1st 2022/23 75

-75

2nd 2023/24 0

4th 2025/26 0

Cohort 2021/22

JI 2021/22 75

-1

SI 2022/23 74

1st 2023/24 75

-75

2nd 2024/25 0

3rd 2025/26 0

Cohort 2022/23

JI 2022/23 71

SI 2023/24 72

-3

1st 2024/25 69

-69

2nd 2025/26 0

Cohort 2023/24

JI 2023/24 69

-1

SI 2024/25 68

-1

1st 2025/26 67

Cohort 2024/25

JI 2024/25 66

SI 2025/26 67

Cohort 2025/26

JI 2025/26 81

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	302	–	–	–	–	–	–	–	–	–	302
1975/76	–	–	–	–	–	–	–	–	–	–	335
1976/77	335	–	–	–	–	–	–	–	–	–	335
1977/78	334	–	–	–	–	–	–	–	–	–	334
1978/79	284	–	–	–	–	–	–	–	–	–	284
1979/80	271	–	–	–	–	–	–	–	–	–	271
1980/81	266	–	–	–	–	–	–	–	–	–	266
1981/82	266	–	–	–	–	–	–	–	–	–	266
1982/83	239	–	–	–	–	–	–	–	–	–	239
1993/94	223	–	–	–	–	–	–	–	–	–	223
1994/95	216	–	–	–	–	–	–	–	–	–	216
1995/96	211	–	–	–	–	–	–	–	–	–	211
1996/97	248	–	–	–	–	–	–	–	–	–	248
1997/98	241	–	–	–	–	–	–	–	–	–	241
1998/99	240	–	–	–	–	–	–	–	–	–	240
1999/00	241	–	–	–	–	–	–	–	–	–	241
2000/01	252	–	–	–	–	–	–	–	–	–	252
2001/02	250	–	–	–	–	–	–	–	–	–	250
2002/03	255	–	–	–	–	–	–	–	–	–	255
2003/04	263	–	–	–	–	–	–	–	–	–	263
2004/05	260	–	–	–	–	–	–	–	–	–	260
2005/06	261	–	–	–	–	–	–	–	–	–	261
2006/07	257	–	–	–	–	–	–	–	–	–	257
2007/08	254	–	–	–	–	–	–	–	–	–	254
2008/09	249	–	–	–	–	–	–	–	–	–	249
2009/10	246	–	–	–	–	–	–	–	–	–	246
2010/11	243	–	–	–	–	–	–	–	–	–	243
2011/12	256	–	–	–	–	–	–	–	–	–	256
2012/13	258	–	–	–	–	–	–	–	–	–	258
2013/14	259	–	–	–	–	–	–	–	–	–	259
2014/15	251	–	–	–	–	–	–	–	–	–	251
2015/16	252	–	–	–	–	–	–	–	–	–	252
2016/17	250	–	–	–	–	–	–	–	–	–	250
2017/18	277	–	–	–	–	–	–	–	–	–	277
2018/19	275	–	–	–	–	–	–	–	–	–	275
2019/20	276	–	–	–	–	–	–	–	–	–	276
2020/21	243	–	78	82	83	–	–	–	–	–	243
2021/22	234	–	75	77	82	–	–	–	–	–	234
2022/23	220	–	71	74	75	–	–	–	–	–	220
2023/24	216	–	69	72	75	–	–	–	–	–	216
2024/25	203	–	66	68	69	–	–	–	–	–	203
2025/26	215	–	81	67	67	–	–	–	–	–	215