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S N Mhuire na Trocaire

Roll number: 18099V Hale Street, Ardee, Co. Louth

School details

Address: Hale Street, Ardee, Co. Louth (A92FR58)
Email: [email protected]
Phone: 0416853152
Principal: Deirdre Sweeney
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Louth County Council
School patron: Archbishop of Armagh
School type: Ordinary
School level: All-Through School
Planning area: Ardee

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

24.21

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	265	10	26.50	34	4
2007/08	263	10	26.30	32	4
2008/09	260	10	26.00	34	3
2009/10	269	9	29.89	35	5
2010/11	260	10	26.00	33	4
2011/12	250	10	25.00	33	4
2012/13	235	9	26.11	34	3
2013/14	251	9	27.89	35	4
2014/15	262	9	29.11	36	5
2015/16	261	10	26.10	37	5
2016/17	271	10	27.10	36	4
2017/18	267	10	26.70	35	3
2019/20	295	11	26.82	34	3
2020/21	295	11	26.82	35	4
2021/22	272	12	22.67	30	1
2022/23	299	12	24.92	30	2
2023/24	313	12	26.08	33	3
2024/25	314	13	24.15	33	4
2025/26	339	14	24.21	32	4

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2004/05: 244 in 2003/04 → 276, +32 pupils.
Biggest loss in a single year: 1993/94: 373 in 1983/84 → 314, -59 pupils.
Largest single-class increase: 4th Class in 2023/24 (29 → 61, +32).
Largest single-class decrease: 1st Class in 2021/22 (56 → 23, -33).
Largest cohort-step gain: 1st → 2nd in 2025/26 (42 → 49, +7).
Largest cohort-step loss: JI → SI in 2021/22 (31 → 28, -3).
Overall: 420 (1974/75) → 339 (2025/26), -81.

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	24	44	38.0	6
Senior Infants	21	50	35.0	6
1st Class	23	56	36.7	6
2nd Class	27	57	37.3	6
3rd Class	27	59	37.2	6
4th Class	29	61	38.0	6
5th Class	30	62	40.2	6
6th Class	31	62	43.0	6
Total	235	420	307.6	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 31

-3

SI 2021/22 28

1st 2022/23 30

2nd 2023/24 31

3rd 2024/25 33

-1

4th 2025/26 32

Cohort 2021/22

JI 2021/22 24

SI 2022/23 24

1st 2023/24 25

2nd 2024/25 29

3rd 2025/26 30

Cohort 2022/23

JI 2022/23 44

-2

SI 2023/24 42

1st 2024/25 42

2nd 2025/26 49

Cohort 2023/24

JI 2023/24 44

SI 2024/25 45

-1

1st 2025/26 44

Cohort 2024/25

JI 2024/25 43

SI 2025/26 50

Cohort 2025/26

JI 2025/26 42

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	420	–	–	–	–	–	–	–	–	–	420
1975/76	–	–	–	–	–	–	–	–	–	–	416
1976/77	404	–	–	–	–	–	–	–	–	–	404
1977/78	416	–	–	–	–	–	–	–	–	–	416
1978/79	405	–	–	–	–	–	–	–	–	–	405
1979/80	404	–	–	–	–	–	–	–	–	–	404
1980/81	394	–	–	–	–	–	–	–	–	–	394
1981/82	387	–	–	–	–	–	–	–	–	–	387
1982/83	404	–	–	–	–	–	–	–	–	–	404
1983/84	373	–	–	–	–	–	–	–	–	–	373
1993/94	314	–	–	–	–	–	–	–	–	–	314
1994/95	322	–	–	–	–	–	–	–	–	–	322
1995/96	310	–	–	–	–	–	–	–	–	–	310
1996/97	303	–	–	–	–	–	–	–	–	–	303
1997/98	291	–	–	–	–	–	–	–	–	–	291
1998/99	266	–	–	–	–	–	–	–	–	–	266
1999/00	272	–	–	–	–	–	–	–	–	–	272
2000/01	267	–	–	–	–	–	–	–	–	–	267
2001/02	267	–	–	–	–	–	–	–	–	–	267
2002/03	267	–	–	–	–	–	–	–	–	–	267
2003/04	244	–	–	–	–	–	–	–	–	–	244
2004/05	276	–	–	–	–	–	–	–	–	–	276
2005/06	272	–	–	–	–	–	–	–	–	–	272
2006/07	265	–	–	–	–	–	–	–	–	–	265
2007/08	263	–	–	–	–	–	–	–	–	–	263
2008/09	260	–	–	–	–	–	–	–	–	–	260
2009/10	269	–	–	–	–	–	–	–	–	–	269
2010/11	260	–	–	–	–	–	–	–	–	–	260
2011/12	250	–	–	–	–	–	–	–	–	–	250
2012/13	235	–	–	–	–	–	–	–	–	–	235
2013/14	251	–	–	–	–	–	–	–	–	–	251
2014/15	262	–	–	–	–	–	–	–	–	–	262
2015/16	261	–	–	–	–	–	–	–	–	–	261
2016/17	271	–	–	–	–	–	–	–	–	–	271
2017/18	267	–	–	–	–	–	–	–	–	–	267
2018/19	290	–	–	–	–	–	–	–	–	–	290
2019/20	295	–	–	–	–	–	–	–	–	–	295
2020/21	295	–	31	21	56	31	44	35	33	44	295
2021/22	272	–	24	28	23	57	30	42	34	34	272
2022/23	288	11	44	24	30	27	59	29	49	37	299
2023/24	292	21	44	42	25	31	27	61	33	50	313
2024/25	270	44	43	45	42	29	33	29	62	31	314
2025/26	270	69	42	50	44	49	30	32	30	62	339