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SCOIL MHUIRE

Roll number: 13447Q Lucan Road, Lucan, Co. Dublin

School details

Address: Lucan Road, Lucan, Co. Dublin (K78DK18)
Email: [email protected]
Phone: 016280056
Principal: Mary Davin
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: Lucan

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

23.74

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	635	23	27.61	32	6
2007/08	625	23	27.17	30	3
2008/09	652	24	27.17	30	2
2009/10	657	23	28.57	34	5
2010/11	636	24	26.50	31	3
2011/12	671	24	27.96	32	5
2012/13	688	24	28.67	32	8
2013/14	685	24	28.54	33	7
2014/15	685	24	28.54	34	4
2015/16	684	24	28.50	34	6
2016/17	677	25	27.08	31	1
2017/18	675	25	27.00	31	3
2019/20	638	24	26.58	31	8
2020/21	599	24	24.96	31	3
2021/22	562	24	23.42	29	0
2022/23	567	23	24.65	28	0
2023/24	544	23	23.65	29	0
2024/25	565	22	25.68	30	3
2025/26	546	23	23.74	30	2

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2011/12: 636 in 2010/11 → 671, +35 pupils.
Biggest loss in a single year: 1993/94: 800 in 1983/84 → 606, -194 pupils.
Largest single-class increase: 6th Class in 2022/23 (82 → 103, +21).
Largest single-class decrease: Senior Infants in 2021/22 (64 → 49, -15).
Largest cohort-step gain: 2nd → 3rd in 2024/25 (52 → 70, +18).
Largest cohort-step loss: 5th → 6th in 2021/22 (85 → 82, -3).
Overall: 989 (1974/75) → 558 (2025/26), -431.

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	47	65	56.3	6
Senior Infants	49	66	57.5	6
1st Class	49	68	58.3	6
2nd Class	52	79	66.2	6
3rd Class	59	78	71.5	6
4th Class	72	91	80.5	6
5th Class	82	92	85.5	6
6th Class	82	103	90.0	6
Total	550	989	685.6	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 50

-1

SI 2021/22 49

1st 2022/23 49

2nd 2023/24 52

+18

3rd 2024/25 70

4th 2025/26 72

Cohort 2021/22

JI 2021/22 50

SI 2022/23 50

1st 2023/24 50

2nd 2024/25 56

3rd 2025/26 59

Cohort 2022/23

JI 2022/23 62

SI 2023/24 66

1st 2024/25 68

2nd 2025/26 75

Cohort 2023/24

JI 2023/24 47

SI 2024/25 52

1st 2025/26 53

Cohort 2024/25

JI 2024/25 65

-1

SI 2025/26 64

Cohort 2025/26

JI 2025/26 64

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	751	238	–	–	–	–	–	–	–	–	989
1975/76	–	–	–	–	–	–	–	–	–	–	877
1976/77	908	–	–	–	–	–	–	–	–	–	908
1977/78	913	–	–	–	–	–	–	–	–	–	913
1978/79	–	–	–	–	–	–	–	–	–	–	904
1979/80	881	–	–	–	–	–	–	–	–	–	881
1980/81	883	–	–	–	–	–	–	–	–	–	883
1981/82	845	–	–	–	–	–	–	–	–	–	845
1982/83	835	–	–	–	–	–	–	–	–	–	835
1983/84	800	–	–	–	–	–	–	–	–	–	800
1993/94	606	–	–	–	–	–	–	–	–	–	606
1994/95	600	–	–	–	–	–	–	–	–	–	600
1995/96	608	–	–	–	–	–	–	–	–	–	608
1996/97	588	–	–	–	–	–	–	–	–	–	588
1997/98	595	–	–	–	–	–	–	–	–	–	595
1998/99	619	–	–	–	–	–	–	–	–	–	619
1999/00	616	–	–	–	–	–	–	–	–	–	616
2000/01	620	–	–	–	–	–	–	–	–	–	620
2001/02	608	–	–	–	–	–	–	–	–	–	608
2002/03	608	–	–	–	–	–	–	–	–	–	608
2003/04	604	–	–	–	–	–	–	–	–	–	604
2004/05	634	–	–	–	–	–	–	–	–	–	634
2005/06	635	–	–	–	–	–	–	–	–	–	635
2006/07	635	–	–	–	–	–	–	–	–	–	635
2007/08	625	–	–	–	–	–	–	–	–	–	625
2008/09	652	–	–	–	–	–	–	–	–	–	652
2009/10	657	–	–	–	–	–	–	–	–	–	657
2010/11	636	–	–	–	–	–	–	–	–	–	636
2011/12	671	–	–	–	–	–	–	–	–	–	671
2012/13	688	–	–	–	–	–	–	–	–	–	688
2013/14	685	–	–	–	–	–	–	–	–	–	685
2014/15	685	–	–	–	–	–	–	–	–	–	685
2015/16	684	–	–	–	–	–	–	–	–	–	684
2016/17	677	–	–	–	–	–	–	–	–	–	677
2017/18	675	–	–	–	–	–	–	–	–	–	675
2018/19	678	–	–	–	–	–	–	–	–	–	678
2019/20	638	–	–	–	–	–	–	–	–	–	638
2020/21	599	–	50	64	66	79	78	91	85	86	599
2021/22	562	–	50	49	64	68	78	79	92	82	562
2022/23	573	–	62	50	49	67	71	83	82	103	573
2023/24	550	–	47	66	50	52	73	81	85	90	550
2024/25	576	–	65	52	68	56	70	77	87	90	576
2025/26	558	–	64	64	53	75	59	72	82	89	558