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S N CHOLMILLE B

Roll number: 18976W Chapel Lane, Swords

School details

Address: Chapel Lane, Swords (K67WP65)
Email: [email protected]
Phone: 018405132
Principal: Ciara Brangan
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 with Special Classes
School level: All-Through School
Planning area: Swords

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

22.07

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	472	17	27.76	32	7
2007/08	473	18	26.28	31	5
2008/09	469	18	26.06	30	2
2009/10	457	17	26.88	30	3
2010/11	434	16	27.12	30	3
2011/12	421	16	26.31	30	2
2012/13	408	16	25.50	30	2
2013/14	395	15	26.33	30	1
2014/15	377	15	25.13	30	2
2015/16	410	15	27.33	33	4
2016/17	412	15	27.47	33	4
2017/18	423	16	26.44	32	3
2019/20	407	16	25.44	31	2
2020/21	404	16	25.25	30	1
2021/22	371	16	23.19	27	0
2022/23	368	15	24.53	33	2
2023/24	346	15	23.07	28	0
2024/25	329	15	21.93	29	0
2025/26	309	14	22.07	30	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1980/81: 488 in 1979/80 → 536, +48 pupils.
Biggest loss in a single year: 1979/80: 528 in 1978/79 → 488, -40 pupils.
Largest single-class increase: 5th Class in 2021/22 (39 → 64, +25).
Largest single-class decrease: 6th Class in 2024/25 (55 → 37, -18).
Largest cohort-step gain: 5th → 6th in 2025/26 (46 → 51, +5).
Largest cohort-step loss: SI → 1st in 2021/22 (53 → 46, -7).
Overall: 573 (1974/75) → 320 (2025/26), -253.

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	27	54	38.0	6
Senior Infants	31	53	41.3	6
1st Class	30	49	43.2	6
2nd Class	42	46	44.5	6
3rd Class	38	55	45.2	6
4th Class	36	64	47.8	6
5th Class	38	64	47.2	6
6th Class	37	64	49.2	6
Total	320	573	466.0	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 54

-5

SI 2021/22 49

-2

1st 2022/23 47

-1

2nd 2023/24 46

-1

3rd 2024/25 45

4th 2025/26 47

Cohort 2021/22

JI 2021/22 39

SI 2022/23 41

1st 2023/24 42

2nd 2024/25 45

3rd 2025/26 45

Cohort 2022/23

JI 2022/23 40

SI 2023/24 42

1st 2024/25 45

-1

2nd 2025/26 44

Cohort 2023/24

JI 2023/24 34

-2

SI 2024/25 32

-2

1st 2025/26 30

Cohort 2024/25

JI 2024/25 34

-3

SI 2025/26 31

Cohort 2025/26

JI 2025/26 27

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	–	573	–	–	–	–	–	–	–	–	573
1975/76	–	–	–	–	–	–	–	–	–	–	546
1976/77	–	561	–	–	–	–	–	–	–	–	561
1977/78	–	537	–	–	–	–	–	–	–	–	537
1978/79	–	–	–	–	–	–	–	–	–	–	528
1979/80	–	488	–	–	–	–	–	–	–	–	488
1980/81	–	536	–	–	–	–	–	–	–	–	536
1981/82	–	550	–	–	–	–	–	–	–	–	550
1982/83	–	516	–	–	–	–	–	–	–	–	516
1983/84	–	522	–	–	–	–	–	–	–	–	522
1993/94	2	531	–	–	–	–	–	–	–	–	533
1994/95	1	538	–	–	–	–	–	–	–	–	539
1995/96	1	539	–	–	–	–	–	–	–	–	540
1996/97	–	537	–	–	–	–	–	–	–	–	537
1997/98	–	514	–	–	–	–	–	–	–	–	514
1998/99	–	511	–	–	–	–	–	–	–	–	511
1999/00	–	487	–	–	–	–	–	–	–	–	487
2000/01	–	495	–	–	–	–	–	–	–	–	495
2001/02	–	490	–	–	–	–	–	–	–	–	490
2002/03	–	477	–	–	–	–	–	–	–	–	477
2003/04	–	471	–	–	–	–	–	–	–	–	471
2004/05	–	471	–	–	–	–	–	–	–	–	471
2005/06	–	470	–	–	–	–	–	–	–	–	470
2006/07	–	477	–	–	–	–	–	–	–	–	477
2007/08	–	477	–	–	–	–	–	–	–	–	477
2008/09	–	475	–	–	–	–	–	–	–	–	475
2009/10	–	457	–	–	–	–	–	–	–	–	457
2010/11	–	434	–	–	–	–	–	–	–	–	434
2011/12	–	421	–	–	–	–	–	–	–	–	421
2012/13	–	408	–	–	–	–	–	–	–	–	408
2013/14	–	395	–	–	–	–	–	–	–	–	395
2014/15	–	377	–	–	–	–	–	–	–	–	377
2015/16	–	410	–	–	–	–	–	–	–	–	410
2016/17	–	412	–	–	–	–	–	–	–	–	412
2017/18	–	423	–	–	–	–	–	–	–	–	423
2018/19	–	416	–	–	–	–	–	–	–	–	416
2019/20	–	407	–	–	–	–	–	–	–	–	407
2020/21	–	404	54	53	49	42	55	64	39	48	404
2021/22	–	371	39	49	46	44	38	51	64	40	371
2022/23	–	374	40	41	47	46	43	36	51	64	374
2023/24	–	352	34	42	42	46	45	44	38	55	352
2024/25	–	335	34	32	45	45	45	45	46	37	335
2025/26	–	320	27	31	30	44	45	47	45	51	320