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SCOIL LORCAIN B

Roll number: 18323A The Oval, Palmerstown, Dublin 20

School details

Address: The Oval, Palmerstown, Dublin 20 (D20W227)
Email: [email protected]
Phone: 016267493
Principal: John Moore
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
School level: All-Through School
Planning area: Ballyfermot_D10

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

22.50

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	420	15	28.00	34	6
2007/08	402	15	26.80	33	4
2008/09	385	15	25.67	30	3
2009/10	365	14	26.07	34	4
2010/11	359	13	27.62	32	4
2011/12	352	13	27.08	32	5
2012/13	362	13	27.85	31	5
2013/14	371	16	23.19	33	1
2014/15	392	14	28.00	32	5
2015/16	394	16	24.62	33	4
2016/17	383	15	25.53	32	3
2017/18	382	14	27.29	35	5
2019/20	379	15	25.27	30	1
2020/21	366	15	24.40	29	0
2021/22	368	15	24.53	30	1
2022/23	363	15	24.20	29	0
2023/24	329	15	21.93	30	1
2024/25	322	14	23.00	30	1
2025/26	315	14	22.50	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1993/94: 385 in 1983/84 → 533, +148 pupils.
Biggest loss in a single year: 1977/78: 713 in 1976/77 → 624, -89 pupils.
Largest single-class increase: 2nd Class in 2024/25 (38 → 54, +16).
Largest single-class decrease: Junior Infants in 2023/24 (45 → 26, -19).
Largest cohort-step gain: 4th → 5th in 2021/22 (48 → 51, +3).
Largest cohort-step loss: 5th → 6th in 2023/24 (46 → 42, -4).
Overall: 816 (1974/75) → 321 (2025/26), -495.

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	26	54	40.5	6
Senior Infants	27	54	41.5	6
1st Class	26	55	42.5	6
2nd Class	38	54	44.2	6
3rd Class	37	51	43.2	6
4th Class	37	48	42.8	6
5th Class	38	51	44.8	6
6th Class	40	53	46.3	6
Total	321	816	447.5	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 42

-1

SI 2021/22 41

-1

1st 2022/23 40

-2

2nd 2023/24 38

-1

3rd 2024/25 37

4th 2025/26 38

Cohort 2021/22

JI 2021/22 54

SI 2022/23 54

1st 2023/24 55

-1

2nd 2024/25 54

-3

3rd 2025/26 51

Cohort 2022/23

JI 2022/23 45

-2

SI 2023/24 43

1st 2024/25 45

-1

2nd 2025/26 44

Cohort 2023/24

JI 2023/24 26

SI 2024/25 27

-1

1st 2025/26 26

Cohort 2024/25

JI 2024/25 38

-1

SI 2025/26 37

Cohort 2025/26

JI 2025/26 38

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	–	816	–	–	–	–	–	–	–	–	816
1975/76	–	–	–	–	–	–	–	–	–	–	751
1976/77	–	713	–	–	–	–	–	–	–	–	713
1977/78	–	624	–	–	–	–	–	–	–	–	624
1978/79	–	–	–	–	–	–	–	–	–	–	586
1979/80	–	526	–	–	–	–	–	–	–	–	526
1980/81	–	490	–	–	–	–	–	–	–	–	490
1981/82	–	458	–	–	–	–	–	–	–	–	458
1982/83	–	419	–	–	–	–	–	–	–	–	419
1983/84	–	385	–	–	–	–	–	–	–	–	385
1993/94	–	533	–	–	–	–	–	–	–	–	533
1994/95	–	546	–	–	–	–	–	–	–	–	546
1995/96	–	497	–	–	–	–	–	–	–	–	497
1996/97	–	483	–	–	–	–	–	–	–	–	483
1997/98	–	481	–	–	–	–	–	–	–	–	481
1998/99	–	452	–	–	–	–	–	–	–	–	452
1999/00	–	450	–	–	–	–	–	–	–	–	450
2000/01	–	443	–	–	–	–	–	–	–	–	443
2001/02	–	437	–	–	–	–	–	–	–	–	437
2002/03	–	445	–	–	–	–	–	–	–	–	445
2003/04	–	458	–	–	–	–	–	–	–	–	458
2004/05	–	428	–	–	–	–	–	–	–	–	428
2005/06	–	420	–	–	–	–	–	–	–	–	420
2006/07	–	420	–	–	–	–	–	–	–	–	420
2007/08	–	402	–	–	–	–	–	–	–	–	402
2008/09	–	385	–	–	–	–	–	–	–	–	385
2009/10	–	365	–	–	–	–	–	–	–	–	365
2010/11	–	359	–	–	–	–	–	–	–	–	359
2011/12	–	352	–	–	–	–	–	–	–	–	352
2012/13	–	362	–	–	–	–	–	–	–	–	362
2013/14	–	371	–	–	–	–	–	–	–	–	371
2014/15	–	392	–	–	–	–	–	–	–	–	392
2015/16	–	394	–	–	–	–	–	–	–	–	394
2016/17	–	383	–	–	–	–	–	–	–	–	383
2017/18	–	382	–	–	–	–	–	–	–	–	382
2018/19	–	381	–	–	–	–	–	–	–	–	381
2019/20	–	379	–	–	–	–	–	–	–	–	379
2020/21	–	366	42	47	42	41	46	48	48	52	366
2021/22	–	368	54	41	47	42	38	47	51	48	368
2022/23	–	363	45	54	40	46	42	37	46	53	363
2023/24	–	329	26	43	55	38	45	42	38	42	329
2024/25	–	328	38	27	45	54	37	45	42	40	328
2025/26	–	321	38	37	26	44	51	38	44	43	321