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CAISLEAIN NUA LIAMHNA

Roll number: 16461C Main Street, Newcastle, Co. Dublin

School details

Address: Main Street, Newcastle, Co. Dublin (D22A388)
Email: [email protected]
Phone: 014580114
Principal: Jonathan Loftus
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: South Dublin County Council
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Newcastle_Rathcoole

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

25.58

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	249	9	27.67	34	5
2007/08	248	9	27.56	31	3
2008/09	249	9	27.67	33	4
2009/10	251	9	27.89	32	4
2010/11	273	10	27.30	32	4
2011/12	329	12	27.42	33	4
2012/13	367	13	28.23	32	5
2013/14	395	14	28.21	32	4
2014/15	439	16	27.44	32	4
2015/16	474	17	27.88	31	4
2016/17	478	18	26.56	30	3
2017/18	520	20	26.00	32	3
2019/20	570	23	24.78	31	4
2020/21	603	23	26.22	33	5
2021/22	636	24	26.50	32	3
2022/23	640	24	26.67	32	5
2023/24	649	24	27.04	30	4
2024/25	632	24	26.33	30	3
2025/26	614	24	25.58	30	2

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2017/18: 485 in 2016/17 → 532, +47 pupils.
Biggest loss in a single year: 1993/94: 381 in 1983/84 → 256, -125 pupils.
Largest single-class increase: 6th Class in 2021/22 (62 → 84, +22).
Largest single-class decrease: 4th Class in 2021/22 (97 → 79, -18).
Largest cohort-step gain: 1st → 2nd in 2023/24 (75 → 85, +10).
Largest cohort-step loss: SI → 1st in 2024/25 (70 → 63, -7).
Overall: 191 (1974/75) → 626 (2025/26), 435.

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	64	80	75.5	6
Senior Infants	58	80	72.8	6
1st Class	63	81	74.2	6
2nd Class	64	85	75.8	6
3rd Class	77	85	80.7	6
4th Class	79	97	85.8	6
5th Class	80	92	84.3	6
6th Class	62	96	83.8	6
Total	191	661	360.5	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 75

SI 2021/22 75

1st 2022/23 75

+10

2nd 2023/24 85

3rd 2024/25 85

4th 2025/26 89

Cohort 2021/22

JI 2021/22 78

-1

SI 2022/23 77

1st 2023/24 80

2nd 2024/25 80

-1

3rd 2025/26 79

Cohort 2022/23

JI 2022/23 64

SI 2023/24 70

-7

1st 2024/25 63

2nd 2025/26 64

Cohort 2023/24

JI 2023/24 80

SI 2024/25 80

-1

1st 2025/26 79

Cohort 2024/25

JI 2024/25 79

-2

SI 2025/26 77

Cohort 2025/26

JI 2025/26 77

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	94	97	–	–	–	–	–	–	–	–	191
1975/76	–	–	–	–	–	–	–	–	–	–	220
1976/77	136	127	–	–	–	–	–	–	–	–	263
1977/78	150	145	–	–	–	–	–	–	–	–	295
1979/80	177	163	–	–	–	–	–	–	–	–	340
1980/81	182	172	–	–	–	–	–	–	–	–	354
1981/82	185	171	–	–	–	–	–	–	–	–	356
1982/83	189	182	–	–	–	–	–	–	–	–	371
1983/84	192	189	–	–	–	–	–	–	–	–	381
1993/94	137	119	–	–	–	–	–	–	–	–	256
1994/95	125	112	–	–	–	–	–	–	–	–	237
1995/96	121	111	–	–	–	–	–	–	–	–	232
1996/97	121	112	–	–	–	–	–	–	–	–	233
1997/98	128	109	–	–	–	–	–	–	–	–	237
1998/99	117	117	–	–	–	–	–	–	–	–	234
1999/00	109	125	–	–	–	–	–	–	–	–	234
2000/01	94	134	–	–	–	–	–	–	–	–	228
2001/02	98	139	–	–	–	–	–	–	–	–	237
2002/03	103	134	–	–	–	–	–	–	–	–	237
2003/04	91	133	–	–	–	–	–	–	–	–	224
2004/05	98	124	–	–	–	–	–	–	–	–	222
2005/06	103	121	–	–	–	–	–	–	–	–	224
2006/07	117	132	–	–	–	–	–	–	–	–	249
2007/08	114	134	–	–	–	–	–	–	–	–	248
2008/09	118	141	–	–	–	–	–	–	–	–	259
2009/10	110	153	–	–	–	–	–	–	–	–	263
2010/11	123	162	–	–	–	–	–	–	–	–	285
2011/12	142	187	–	–	–	–	–	–	–	–	329
2012/13	167	200	–	–	–	–	–	–	–	–	367
2013/14	177	218	–	–	–	–	–	–	–	–	395
2014/15	197	242	–	–	–	–	–	–	–	–	439
2015/16	215	266	–	–	–	–	–	–	–	–	481
2016/17	226	259	–	–	–	–	–	–	–	–	485
2017/18	255	277	–	–	–	–	–	–	–	–	532
2018/19	275	299	–	–	–	–	–	–	–	–	574
2019/20	287	295	–	–	–	–	–	–	–	–	582
2020/21	299	316	75	58	81	73	78	97	81	62	615
2021/22	321	327	78	75	67	83	80	79	92	84	648
2022/23	324	328	64	77	75	70	85	88	85	96	652
2023/24	330	331	80	70	80	85	77	83	88	90	661
2024/25	329	315	79	80	63	80	85	79	80	90	644
2025/26	314	312	77	77	79	64	79	89	80	81	626