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Roll number: 16333Q Tennis Court Lane, Skerries, Co. Dublin

School details

Address: Tennis Court Lane, Skerries, Co. Dublin (K34D799)
Email: [email protected]
Phone: 018490836
Principal: Máire Ní Chroínín
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
School level: Junior
Planning area: Skerries

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

20.25

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	345	12	28.75	30	4
2007/08	339	12	28.25	30	2
2008/09	326	12	27.17	29	0
2009/10	322	12	26.83	28	0
2010/11	333	12	27.75	29	0
2011/12	338	12	28.17	30	1
2012/13	346	12	28.83	30	2
2013/14	344	12	28.67	30	2
2014/15	342	12	28.50	30	3
2015/16	332	12	27.67	29	0
2016/17	337	12	28.08	30	1
2017/18	342	13	26.31	30	3
2019/20	348	13	26.77	30	4
2020/21	340	13	26.15	30	4
2021/22	332	13	25.54	30	3
2022/23	307	13	23.62	31	1
2023/24	280	13	21.54	27	0
2024/25	276	12	23.00	28	0
2025/26	243	12	20.25	25	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1975/76: 228 in 1974/75 → 280, +52 pupils.
Biggest loss in a single year: 1993/94: 340 in 1983/84 → 293, -47 pupils.
Largest single-class increase: Senior Infants in 2025/26 (62 → 76, +14).
Largest single-class decrease: Junior Infants in 2025/26 (72 → 50, -22).
Largest cohort-step gain: JI → SI in 2025/26 (72 → 76, +4).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (89 → 0, -89).
Overall: 228 (1974/75) → 249 (2025/26), 21.

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	50	79	67.3	6
Senior Infants	61	89	74.2	6
1st Class	61	88	75.8	6
2nd Class	60	89	80.0	6
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	228	380	331.1	43

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 79

SI 2021/22 79

-1

1st 2022/23 78

2nd 2023/24 78

-78

3rd 2024/25 0

4th 2025/26 0

Cohort 2021/22

JI 2021/22 78

SI 2022/23 78

1st 2023/24 79

2nd 2024/25 81

-81

3rd 2025/26 0

Cohort 2022/23

JI 2022/23 63

-2

SI 2023/24 61

1st 2024/25 61

-1

2nd 2025/26 60

Cohort 2023/24

JI 2023/24 62

SI 2024/25 62

1st 2025/26 63

Cohort 2024/25

JI 2024/25 72

SI 2025/26 76

Cohort 2025/26

JI 2025/26 50

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	228	–	–	–	–	–	–	–	–	–	228
1975/76	–	–	–	–	–	–	–	–	–	–	280
1976/77	301	–	–	–	–	–	–	–	–	–	301
1977/78	315	–	–	–	–	–	–	–	–	–	315
1978/79	–	–	–	–	–	–	–	–	–	–	326
1979/80	344	–	–	–	–	–	–	–	–	–	344
1980/81	357	–	–	–	–	–	–	–	–	–	357
1981/82	357	–	–	–	–	–	–	–	–	–	357
1982/83	353	–	–	–	–	–	–	–	–	–	353
1983/84	340	–	–	–	–	–	–	–	–	–	340
1993/94	133	160	–	–	–	–	–	–	–	–	293
1994/95	145	157	–	–	–	–	–	–	–	–	302
1995/96	160	158	–	–	–	–	–	–	–	–	318
1996/97	156	165	–	–	–	–	–	–	–	–	321
1997/98	171	198	–	–	–	–	–	–	–	–	369
1998/99	176	204	–	–	–	–	–	–	–	–	380
1999/00	167	202	–	–	–	–	–	–	–	–	369
2000/01	157	211	–	–	–	–	–	–	–	–	368
2001/02	170	192	–	–	–	–	–	–	–	–	362
2002/03	156	204	–	–	–	–	–	–	–	–	360
2003/04	166	190	–	–	–	–	–	–	–	–	356
2004/05	168	192	–	–	–	–	–	–	–	–	360
2005/06	160	195	–	–	–	–	–	–	–	–	355
2006/07	168	177	–	–	–	–	–	–	–	–	345
2007/08	161	178	–	–	–	–	–	–	–	–	339
2008/09	163	163	–	–	–	–	–	–	–	–	326
2009/10	165	157	–	–	–	–	–	–	–	–	322
2010/11	171	162	–	–	–	–	–	–	–	–	333
2011/12	169	169	–	–	–	–	–	–	–	–	338
2012/13	175	171	–	–	–	–	–	–	–	–	346
2013/14	173	171	–	–	–	–	–	–	–	–	344
2014/15	178	164	–	–	–	–	–	–	–	–	342
2015/16	164	168	–	–	–	–	–	–	–	–	332
2016/17	178	159	–	–	–	–	–	–	–	–	337
2017/18	180	162	–	–	–	–	–	–	–	–	342
2018/19	173	166	–	–	–	–	–	–	–	–	339
2019/20	185	163	–	–	–	–	–	–	–	–	348
2020/21	174	166	79	89	88	84	–	–	–	–	340
2021/22	160	172	78	79	86	89	–	–	–	–	332
2022/23	163	144	63	78	78	88	–	–	–	–	307
2023/24	147	133	62	61	79	78	–	–	–	–	280
2024/25	146	135	72	62	61	81	–	–	–	–	281
2025/26	139	110	50	76	63	60	–	–	–	–	249