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BALLYBAY NATIONAL SCHOOL

Roll number: 19534S Kiltoom, Athlone, Co Roscommon

School details

Address: Kiltoom, Athlone, Co Roscommon (N37RC82)
Email: [email protected]
Phone: 0906489220
Principal: Helen O'Toole
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Roscommon County Council
School patron: Bishop of Elphin
School type: Ordinary
School level: All-Through School
Planning area: Athlone

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

24.22

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	243	9	27.00	34	2
2007/08	256	9	28.44	34	5
2008/09	270	9	30.00	35	5
2009/10	268	10	26.80	34	4
2010/11	266	10	26.60	34	4
2011/12	260	10	26.00	32	3
2012/13	255	10	25.50	32	2
2013/14	247	10	24.70	30	1
2014/15	238	9	26.44	30	1
2015/16	225	9	25.00	29	0
2016/17	231	9	25.67	30	1
2017/18	224	9	24.89	30	1
2019/20	210	8	26.25	29	0
2020/21	200	8	25.00	28	0
2021/22	204	8	25.50	36	1
2022/23	224	8	28.00	36	3
2023/24	222	9	24.67	30	1
2024/25	211	9	23.44	30	1
2025/26	218	9	24.22	30	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1993/94: 218 in 1983/84 → 282, +64 pupils.
Biggest loss in a single year: 1994/95: 282 in 1993/94 → 257, -25 pupils.
Largest single-class increase: Junior Infants in 2025/26 (23 → 35, +12).
Largest single-class decrease: 3rd Class in 2021/22 (35 → 19, -16).
Largest cohort-step gain: 3rd → 4th in 2022/23 (19 → 26, +7).
Largest cohort-step loss: 2nd → 3rd in 2025/26 (28 → 26, -2).
Overall: 202 (1981/82) → 224 (2025/26), 22.

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	22	35	26.5	6
Senior Infants	22	29	25.7	6
1st Class	21	30	25.7	6
2nd Class	18	30	25.0	6
3rd Class	19	35	26.5	6
4th Class	23	36	28.2	6
5th Class	24	36	28.3	6
6th Class	23	37	28.3	6
Total	200	282	230.2	36

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 26

SI 2021/22 27

1st 2022/23 30

2nd 2023/24 30

3rd 2024/25 30

4th 2025/26 31

Cohort 2021/22

JI 2021/22 22

SI 2022/23 26

1st 2023/24 27

2nd 2024/25 28

-2

3rd 2025/26 26

Cohort 2022/23

JI 2022/23 26

SI 2023/24 26

1st 2024/25 26

2nd 2025/26 28

Cohort 2023/24

JI 2023/24 27

SI 2024/25 29

-1

1st 2025/26 28

Cohort 2024/25

JI 2024/25 23

SI 2025/26 24

Cohort 2025/26

JI 2025/26 35

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1981/82	88	114	–	–	–	–	–	–	–	–	202
1982/83	90	114	–	–	–	–	–	–	–	–	204
1983/84	100	118	–	–	–	–	–	–	–	–	218
1993/94	133	149	–	–	–	–	–	–	–	–	282
1994/95	121	136	–	–	–	–	–	–	–	–	257
1995/96	112	122	–	–	–	–	–	–	–	–	234
1996/97	103	125	–	–	–	–	–	–	–	–	228
1997/98	96	119	–	–	–	–	–	–	–	–	215
1998/99	101	114	–	–	–	–	–	–	–	–	215
1999/00	94	111	–	–	–	–	–	–	–	–	205
2000/01	91	121	–	–	–	–	–	–	–	–	212
2001/02	92	118	–	–	–	–	–	–	–	–	210
2002/03	98	117	–	–	–	–	–	–	–	–	215
2003/04	103	122	–	–	–	–	–	–	–	–	225
2004/05	112	116	–	–	–	–	–	–	–	–	228
2005/06	115	124	–	–	–	–	–	–	–	–	239
2006/07	110	133	–	–	–	–	–	–	–	–	243
2007/08	117	139	–	–	–	–	–	–	–	–	256
2008/09	122	148	–	–	–	–	–	–	–	–	270
2009/10	129	139	–	–	–	–	–	–	–	–	268
2010/11	133	133	–	–	–	–	–	–	–	–	266
2011/12	134	126	–	–	–	–	–	–	–	–	260
2012/13	131	124	–	–	–	–	–	–	–	–	255
2013/14	132	115	–	–	–	–	–	–	–	–	247
2014/15	128	110	–	–	–	–	–	–	–	–	238
2015/16	118	107	–	–	–	–	–	–	–	–	225
2016/17	126	105	–	–	–	–	–	–	–	–	231
2017/18	120	104	–	–	–	–	–	–	–	–	224
2018/19	115	103	–	–	–	–	–	–	–	–	218
2019/20	110	100	–	–	–	–	–	–	–	–	210
2020/21	103	97	26	22	21	18	35	27	28	23	200
2021/22	99	105	22	27	22	23	19	36	28	27	204
2022/23	118	106	26	26	30	23	26	26	36	31	224
2023/24	117	105	27	26	27	30	23	26	26	37	222
2024/25	108	107	23	29	26	28	30	23	28	24	215
2025/26	120	104	35	24	28	28	26	31	24	28	224