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LORETO NATIONAL SCHOOL

Roll number: 19066L Loreto Avenue, Dalkey, Co. Dublin

School details

Address: Loreto Avenue, Dalkey, Co. Dublin (A96P8N3)
Email: [email protected]
Phone: 012802128
Principal: Fióna McKenna
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Dun Laoghaire Rathdown
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Dunlaoghaire

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

25.17

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	314	11	28.55	33	5
2007/08	325	12	27.08	32	4
2008/09	320	12	26.67	32	4
2009/10	325	12	27.08	31	4
2010/11	336	12	28.00	32	4
2011/12	349	12	29.08	33	7
2012/13	362	13	27.85	33	7
2013/14	373	13	28.69	34	7
2014/15	370	14	26.43	35	4
2015/16	374	15	24.93	32	3
2016/17	366	15	24.40	30	2
2017/18	364	14	26.00	30	1
2019/20	347	13	26.69	31	3
2020/21	320	13	24.62	31	3
2021/22	306	13	23.54	31	2
2022/23	296	12	24.67	31	2
2023/24	295	12	24.58	31	2
2024/25	298	12	24.83	29	0
2025/26	302	12	25.17	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1976/77: 393 in 1975/76 → 426, +33 pupils.
Biggest loss in a single year: 1998/99: 406 in 1997/98 → 370, -36 pupils.
Largest single-class increase: 6th Class in 2025/26 (26 → 52, +26).
Largest single-class decrease: 5th Class in 2025/26 (51 → 28, -23).
Largest cohort-step gain: 4th → 5th in 2024/25 (44 → 51, +7).
Largest cohort-step loss: 1st → 2nd in 2023/24 (53 → 28, -25).
Overall: 415 (1974/75) → 314 (2025/26), -101.

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	43	51	47.8	6
Senior Infants	45	52	48.8	6
1st Class	44	57	49.5	6
2nd Class	25	35	28.7	6
3rd Class	26	38	30.7	6
4th Class	26	44	31.3	6
5th Class	25	51	33.0	6
6th Class	26	52	35.0	6
Total	305	432	366.6	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 51

SI 2021/22 51

1st 2022/23 53

-25

2nd 2023/24 28

3rd 2024/25 29

4th 2025/26 30

Cohort 2021/22

JI 2021/22 51

-1

SI 2022/23 50

-3

1st 2023/24 47

-20

2nd 2024/25 27

3rd 2025/26 30

Cohort 2022/23

JI 2022/23 43

SI 2023/24 46

-2

1st 2024/25 44

-17

2nd 2025/26 27

Cohort 2023/24

JI 2023/24 43

SI 2024/25 45

1st 2025/26 46

Cohort 2024/25

JI 2024/25 50

SI 2025/26 52

Cohort 2025/26

JI 2025/26 49

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	289	126	–	–	–	–	–	–	–	–	415
1975/76	–	–	–	–	–	–	–	–	–	–	393
1976/77	299	127	–	–	–	–	–	–	–	–	426
1977/78	315	117	–	–	–	–	–	–	–	–	432
1978/79	–	–	–	–	–	–	–	–	–	–	421
1979/80	314	113	–	–	–	–	–	–	–	–	427
1980/81	308	103	–	–	–	–	–	–	–	–	411
1981/82	309	93	–	–	–	–	–	–	–	–	402
1982/83	306	86	–	–	–	–	–	–	–	–	392
1983/84	313	107	–	–	–	–	–	–	–	–	420
1993/94	338	88	–	–	–	–	–	–	–	–	426
1994/95	324	80	–	–	–	–	–	–	–	–	404
1995/96	327	77	–	–	–	–	–	–	–	–	404
1996/97	331	78	–	–	–	–	–	–	–	–	409
1997/98	321	85	–	–	–	–	–	–	–	–	406
1998/99	294	76	–	–	–	–	–	–	–	–	370
1999/00	292	70	–	–	–	–	–	–	–	–	362
2000/01	300	71	–	–	–	–	–	–	–	–	371
2001/02	293	68	–	–	–	–	–	–	–	–	361
2002/03	287	73	–	–	–	–	–	–	–	–	360
2003/04	255	73	–	–	–	–	–	–	–	–	328
2004/05	251	65	–	–	–	–	–	–	–	–	316
2005/06	255	54	–	–	–	–	–	–	–	–	309
2006/07	259	55	–	–	–	–	–	–	–	–	314
2007/08	261	64	–	–	–	–	–	–	–	–	325
2008/09	255	65	–	–	–	–	–	–	–	–	320
2009/10	259	66	–	–	–	–	–	–	–	–	325
2010/11	269	67	–	–	–	–	–	–	–	–	336
2011/12	279	70	–	–	–	–	–	–	–	–	349
2012/13	283	79	–	–	–	–	–	–	–	–	362
2013/14	292	81	–	–	–	–	–	–	–	–	373
2014/15	294	81	–	–	–	–	–	–	–	–	375
2015/16	299	79	–	–	–	–	–	–	–	–	378
2016/17	282	87	–	–	–	–	–	–	–	–	369
2017/18	282	85	–	–	–	–	–	–	–	–	367
2018/19	289	84	–	–	–	–	–	–	–	–	373
2019/20	273	79	–	–	–	–	–	–	–	–	352
2020/21	249	77	51	49	57	30	31	27	33	42	326
2021/22	237	81	51	51	50	35	30	31	25	33	318
2022/23	232	75	43	50	53	25	38	30	31	26	307
2023/24	241	64	43	46	47	28	26	44	30	31	305
2024/25	239	70	50	45	44	27	29	26	51	26	309
2025/26	240	74	49	52	46	27	30	30	28	52	314