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BALLYKILMURRY N S

Roll number: 15656M Ballinamere, Tullamore, Co. Offaly

School details

Address: Ballinamere, Tullamore, Co. Offaly (R35AW83)
Email: [email protected]
Phone: 0579341687
Principal: Deirdre Cusack
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Offaly County Council
School patron: Bishop of Meath
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Tullamore_Killina

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

22.62

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	229	8	28.62	31	2
2007/08	228	8	28.50	30	1
2008/09	228	8	28.50	30	1
2009/10	222	8	27.75	29	0
2010/11	216	8	27.00	29	0
2011/12	214	8	26.75	29	0
2012/13	209	8	26.12	29	0
2013/14	207	8	25.88	30	1
2014/15	193	8	24.12	27	0
2015/16	195	8	24.38	28	0
2016/17	193	8	24.12	28	0
2017/18	197	8	24.62	28	0
2019/20	193	8	24.12	27	0
2020/21	196	8	24.50	27	0
2021/22	194	8	24.25	27	0
2022/23	192	8	24.00	27	0
2023/24	186	8	23.25	26	0
2024/25	178	8	22.25	25	0
2025/26	181	8	22.62	25	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1977/78: 163 in 1976/77 → 182, +19 pupils.
Biggest loss in a single year: 2014/15: 225 in 2013/14 → 211, -14 pupils.
Largest single-class increase: Junior Infants in 2023/24 (20 → 26, +6).
Largest single-class decrease: 2nd Class in 2021/22 (25 → 21, -4).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (19 → 24, +5).
Largest cohort-step loss: SI → 1st in 2023/24 (22 → 20, -2).
Overall: 135 (1974/75) → 199 (2025/26), 64.

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	20	26	23.2	6
Senior Infants	21	25	23.0	6
1st Class	20	26	23.2	6
2nd Class	19	25	22.7	6
3rd Class	22	26	24.2	6
4th Class	23	27	25.5	6
5th Class	22	27	25.0	6
6th Class	23	27	25.5	6
Total	135	241	210.6	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 24

SI 2021/22 24

1st 2022/23 24

-1

2nd 2023/24 23

3rd 2024/25 23

4th 2025/26 27

Cohort 2021/22

JI 2021/22 22

SI 2022/23 22

-2

1st 2023/24 20

-1

2nd 2024/25 19

3rd 2025/26 24

Cohort 2022/23

JI 2022/23 20

SI 2023/24 21

1st 2024/25 22

2nd 2025/26 23

Cohort 2023/24

JI 2023/24 26

-1

SI 2024/25 25

1st 2025/26 25

Cohort 2024/25

JI 2024/25 22

SI 2025/26 22

Cohort 2025/26

JI 2025/26 25

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	66	69	–	–	–	–	–	–	–	–	135
1975/76	–	–	–	–	–	–	–	–	–	–	149
1976/77	82	81	–	–	–	–	–	–	–	–	163
1977/78	93	89	–	–	–	–	–	–	–	–	182
1978/79	95	104	–	–	–	–	–	–	–	–	199
1979/80	98	108	–	–	–	–	–	–	–	–	206
1980/81	97	113	–	–	–	–	–	–	–	–	210
1981/82	95	115	–	–	–	–	–	–	–	–	210
1982/83	94	111	–	–	–	–	–	–	–	–	205
1983/84	99	104	–	–	–	–	–	–	–	–	203
1993/94	99	108	–	–	–	–	–	–	–	–	207
1994/95	99	112	–	–	–	–	–	–	–	–	211
1995/96	92	114	–	–	–	–	–	–	–	–	206
1996/97	93	114	–	–	–	–	–	–	–	–	207
1997/98	87	115	–	–	–	–	–	–	–	–	202
1998/99	88	124	–	–	–	–	–	–	–	–	212
1999/00	84	132	–	–	–	–	–	–	–	–	216
2000/01	89	134	–	–	–	–	–	–	–	–	223
2001/02	93	130	–	–	–	–	–	–	–	–	223
2002/03	97	125	–	–	–	–	–	–	–	–	222
2003/04	98	125	–	–	–	–	–	–	–	–	223
2004/05	100	126	–	–	–	–	–	–	–	–	226
2005/06	108	131	–	–	–	–	–	–	–	–	239
2006/07	106	135	–	–	–	–	–	–	–	–	241
2007/08	111	129	–	–	–	–	–	–	–	–	240
2008/09	110	130	–	–	–	–	–	–	–	–	240
2009/10	104	130	–	–	–	–	–	–	–	–	234
2010/11	100	129	–	–	–	–	–	–	–	–	229
2011/12	100	130	–	–	–	–	–	–	–	–	230
2012/13	100	127	–	–	–	–	–	–	–	–	227
2013/14	104	121	–	–	–	–	–	–	–	–	225
2014/15	102	109	–	–	–	–	–	–	–	–	211
2015/16	106	107	–	–	–	–	–	–	–	–	213
2016/17	107	104	–	–	–	–	–	–	–	–	211
2017/18	110	105	–	–	–	–	–	–	–	–	215
2018/19	113	102	–	–	–	–	–	–	–	–	215
2019/20	111	100	–	–	–	–	–	–	–	–	211
2020/21	115	99	24	24	22	25	26	27	22	26	214
2021/22	116	96	22	24	26	21	25	26	27	23	212
2022/23	107	103	20	22	24	25	22	26	26	27	210
2023/24	100	104	26	21	20	23	25	23	24	26	204
2024/25	95	100	22	25	22	19	23	24	24	25	195
2025/26	89	110	25	22	25	23	24	27	27	26	199