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BALLYDUFF N S

Roll number: 13635R Ballyduff West, Kilmeaden, Co. Waterford

School details

Address: Ballyduff West, Kilmeaden, Co. Waterford (X91Y510)
Email: [email protected]
Phone: 051384414
Principal: Fionnuala Power
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: Kilmacthomas

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

24.62

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	145	6	24.17	28	0
2007/08	149	6	24.83	29	0
2008/09	157	6	26.17	28	0
2009/10	155	6	25.83	34	1
2010/11	163	6	27.17	29	0
2011/12	171	7	24.43	29	0
2012/13	178	7	25.43	32	1
2013/14	197	7	28.14	30	3
2014/15	204	8	25.50	33	1
2015/16	204	8	25.50	31	1
2016/17	209	8	26.12	31	2
2017/18	214	8	26.75	30	3
2019/20	211	8	26.38	31	2
2020/21	221	8	27.62	31	2
2021/22	207	8	25.88	31	1
2022/23	210	8	26.25	31	1
2023/24	214	9	23.78	31	1
2024/25	215	9	23.89	31	1
2025/26	197	8	24.62	28	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2013/14: 196 in 2012/13 → 214, +18 pupils.
Biggest loss in a single year: 1993/94: 207 in 1983/84 → 165, -42 pupils.
Largest single-class increase: Junior Infants in 2022/23 (19 → 27, +8).
Largest single-class decrease: Junior Infants in 2021/22 (27 → 19, -8).
Largest cohort-step gain: SI → 1st in 2025/26 (29 → 34, +5).
Largest cohort-step loss: SI → 1st in 2021/22 (28 → 27, -1).
Overall: 151 (1974/75) → 214 (2025/26), 63.

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	19	29	24.5	6
Senior Infants	20	29	26.3	6
1st Class	22	34	27.2	6
2nd Class	22	31	26.8	6
3rd Class	23	31	26.3	6
4th Class	24	31	27.5	6
5th Class	24	31	27.0	6
6th Class	24	31	27.8	6
Total	146	237	188.4	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 27

SI 2021/22 27

1st 2022/23 28

2nd 2023/24 28

3rd 2024/25 28

4th 2025/26 30

Cohort 2021/22

JI 2021/22 19

SI 2022/23 20

1st 2023/24 22

2nd 2024/25 22

3rd 2025/26 25

Cohort 2022/23

JI 2022/23 27

SI 2023/24 28

1st 2024/25 29

2nd 2025/26 29

Cohort 2023/24

JI 2023/24 29

SI 2024/25 29

1st 2025/26 34

Cohort 2024/25

JI 2024/25 25

SI 2025/26 26

Cohort 2025/26

JI 2025/26 20

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	81	70	–	–	–	–	–	–	–	–	151
1976/77	86	80	–	–	–	–	–	–	–	–	166
1977/78	89	89	–	–	–	–	–	–	–	–	178
1978/79	95	90	–	–	–	–	–	–	–	–	185
1979/80	93	91	–	–	–	–	–	–	–	–	184
1980/81	99	102	–	–	–	–	–	–	–	–	201
1981/82	94	112	–	–	–	–	–	–	–	–	206
1982/83	95	110	–	–	–	–	–	–	–	–	205
1983/84	98	109	–	–	–	–	–	–	–	–	207
1993/94	89	76	–	–	–	–	–	–	–	–	165
1994/95	95	70	–	–	–	–	–	–	–	–	165
1995/96	92	75	–	–	–	–	–	–	–	–	167
1996/97	84	76	–	–	–	–	–	–	–	–	160
1997/98	86	75	–	–	–	–	–	–	–	–	161
1998/99	83	76	–	–	–	–	–	–	–	–	159
1999/00	87	74	–	–	–	–	–	–	–	–	161
2000/01	82	80	–	–	–	–	–	–	–	–	162
2001/02	76	86	–	–	–	–	–	–	–	–	162
2002/03	77	86	–	–	–	–	–	–	–	–	163
2003/04	71	86	–	–	–	–	–	–	–	–	157
2004/05	70	86	–	–	–	–	–	–	–	–	156
2005/06	65	81	–	–	–	–	–	–	–	–	146
2006/07	70	81	–	–	–	–	–	–	–	–	151
2007/08	73	82	–	–	–	–	–	–	–	–	155
2008/09	79	86	–	–	–	–	–	–	–	–	165
2009/10	87	84	–	–	–	–	–	–	–	–	171
2010/11	85	96	–	–	–	–	–	–	–	–	181
2011/12	92	97	–	–	–	–	–	–	–	–	189
2012/13	92	104	–	–	–	–	–	–	–	–	196
2013/14	99	115	–	–	–	–	–	–	–	–	214
2014/15	103	119	–	–	–	–	–	–	–	–	222
2015/16	106	116	–	–	–	–	–	–	–	–	222
2016/17	101	126	–	–	–	–	–	–	–	–	227
2017/18	109	123	–	–	–	–	–	–	–	–	232
2018/19	115	109	–	–	–	–	–	–	–	–	224
2019/20	112	117	–	–	–	–	–	–	–	–	229
2020/21	116	121	27	28	23	31	24	29	29	30	237
2021/22	112	113	19	27	27	23	31	24	28	28	225
2022/23	109	118	27	20	28	28	23	31	24	29	227
2023/24	107	125	29	28	22	28	27	24	31	25	232
2024/25	108	125	25	29	29	22	28	27	24	31	233
2025/26	93	121	20	26	34	29	25	30	26	24	214