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S N Dun na Mainistreach

Roll number: 18094L Sheares Street, Abbeyside, Dungarvan, Co. Waterford

School details

Address: Sheares Street, Abbeyside, Dungarvan, Co. Waterford (X35NW50)
Email: [email protected]
Phone: 05841102
Principal: ruairi de Paor
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Waterford County Council
School patron: Bishop of Waterford & Lismore
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Dungarvan

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

24.61

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	450	16	28.12	30	5
2007/08	459	17	27.00	30	5
2008/09	473	17	27.82	30	9
2009/10	463	17	27.24	30	5
2010/11	472	17	27.76	30	10
2011/12	470	17	27.65	30	6
2012/13	472	17	27.76	30	5
2013/14	464	17	27.29	31	6
2014/15	466	17	27.41	32	6
2015/16	473	17	27.82	32	7
2016/17	476	17	28.00	32	8
2017/18	472	17	27.76	31	9
2019/20	476	18	26.44	31	5
2020/21	476	18	26.44	31	8
2021/22	477	18	26.50	31	9
2022/23	463	18	25.72	32	7
2023/24	463	18	25.72	33	7
2024/25	470	18	26.11	33	7
2025/26	443	18	24.61	33	5

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1983/84: 344 in 1982/83 → 374, +30 pupils.
Biggest loss in a single year: 1979/80: 397 in 1978/79 → 369, -28 pupils.
Largest single-class increase: 6th Class in 2023/24 (51 → 61, +10).
Largest single-class decrease: Junior Infants in 2025/26 (49 → 40, -9).
Largest cohort-step gain: SI → 1st in 2024/25 (52 → 59, +7).
Largest cohort-step loss: 5th → 6th in 2022/23 (59 → 51, -8).
Overall: 415 (1974/75) → 455 (2025/26), 40.

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	40	58	51.7	6
Senior Infants	48	61	55.5	6
1st Class	57	62	59.2	6
2nd Class	57	64	60.5	6
3rd Class	61	64	62.7	6
4th Class	60	66	62.5	6
5th Class	57	66	61.0	6
6th Class	51	64	59.2	6
Total	344	484	426.1	42

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

SI 2021/22 56

1st 2022/23 57

2nd 2023/24 59

3rd 2024/25 63

-1

4th 2025/26 62

Cohort 2021/22

JI 2021/22 58

SI 2022/23 59

-1

1st 2023/24 58

2nd 2024/25 60

3rd 2025/26 61

Cohort 2022/23

JI 2022/23 54

-2

SI 2023/24 52

1st 2024/25 59

-2

2nd 2025/26 57

Cohort 2023/24

JI 2023/24 55

SI 2024/25 57

1st 2025/26 57

Cohort 2024/25

JI 2024/25 49

-1

SI 2025/26 48

Cohort 2025/26

JI 2025/26 40

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	160	255	–	–	–	–	–	–	–	–	415
1976/77	158	266	–	–	–	–	–	–	–	–	424
1977/78	158	254	–	–	–	–	–	–	–	–	412
1978/79	166	231	–	–	–	–	–	–	–	–	397
1979/80	159	210	–	–	–	–	–	–	–	–	369
1980/81	151	199	–	–	–	–	–	–	–	–	350
1981/82	153	193	–	–	–	–	–	–	–	–	346
1982/83	157	187	–	–	–	–	–	–	–	–	344
1983/84	172	202	–	–	–	–	–	–	–	–	374
1993/94	176	216	–	–	–	–	–	–	–	–	392
1994/95	178	204	–	–	–	–	–	–	–	–	382
1995/96	179	209	–	–	–	–	–	–	–	–	388
1996/97	181	205	–	–	–	–	–	–	–	–	386
1997/98	181	198	–	–	–	–	–	–	–	–	379
1998/99	179	189	–	–	–	–	–	–	–	–	368
1999/00	192	184	–	–	–	–	–	–	–	–	376
2000/01	199	176	–	–	–	–	–	–	–	–	375
2001/02	203	178	–	–	–	–	–	–	–	–	381
2002/03	199	190	–	–	–	–	–	–	–	–	389
2003/04	195	204	–	–	–	–	–	–	–	–	399
2004/05	197	216	–	–	–	–	–	–	–	–	413
2005/06	201	230	–	–	–	–	–	–	–	–	431
2006/07	223	227	–	–	–	–	–	–	–	–	450
2007/08	218	241	–	–	–	–	–	–	–	–	459
2008/09	229	244	–	–	–	–	–	–	–	–	473
2009/10	216	247	–	–	–	–	–	–	–	–	463
2010/11	219	253	–	–	–	–	–	–	–	–	472
2011/12	226	244	–	–	–	–	–	–	–	–	470
2012/13	231	241	–	–	–	–	–	–	–	–	472
2013/14	219	245	–	–	–	–	–	–	–	–	464
2014/15	222	244	–	–	–	–	–	–	–	–	466
2015/16	226	247	–	–	–	–	–	–	–	–	473
2016/17	223	253	–	–	–	–	–	–	–	–	476
2017/18	218	254	–	–	–	–	–	–	–	–	472
2018/19	214	260	–	–	–	–	–	–	–	–	474
2019/20	219	257	–	–	–	–	–	–	–	–	476
2020/21	215	265	54	61	62	61	62	61	57	59	480
2021/22	225	259	58	56	62	62	62	61	59	57	484
2022/23	225	246	54	59	57	64	64	60	59	51	471
2023/24	234	240	55	52	58	59	64	65	60	61	474
2024/25	239	243	49	57	59	60	63	66	65	63	482
2025/26	223	232	40	48	57	57	61	62	66	64	455