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BALLYVARY CENTRAL N S

Roll number: 19402B BALLYVARY CENTRAL N S, CASTLEBAR, CO MAYO

School details

Address: BALLYVARY CENTRAL N S, CASTLEBAR, CO MAYO (F23TP65)
Email: [email protected]
Phone: 0949031007
Principal: MRS MARY CUNNINGHAM
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Mayo County Council
School patron: Archbishop of Tuam
School type: Ordinary
School level: All-Through School
Planning area: Castlebar

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

26.62

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	119	5	23.80	33	1
2007/08	120	5	24.00	31	1
2008/09	130	5	26.00	27	0
2009/10	141	5	28.20	35	2
2010/11	142	6	23.67	28	0
2011/12	155	6	25.83	33	2
2012/13	153	6	25.50	31	2
2013/14	151	6	25.17	31	2
2014/15	173	6	28.83	34	3
2015/16	183	7	26.14	33	2
2016/17	188	7	26.86	33	2
2017/18	187	7	26.71	33	2
2019/20	207	8	25.88	30	1
2020/21	206	8	25.75	30	1
2021/22	200	8	25.00	30	1
2022/23	199	8	24.88	32	1
2023/24	204	8	25.50	31	1
2024/25	204	8	25.50	30	1
2025/26	213	8	26.62	31	2

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1976/77: 109 in 1975/76 → 141, +32 pupils.
Biggest loss in a single year: 1993/94: 161 in 1983/84 → 131, -30 pupils.
Largest single-class increase: 3rd Class in 2025/26 (17 → 28, +11).
Largest single-class decrease: 3rd Class in 2024/25 (29 → 17, -12).
Largest cohort-step gain: 4th → 5th in 2025/26 (29 → 32, +3).
Largest cohort-step loss: JI → SI in 2025/26 (30 → 29, -1).
Overall: 109 (1975/76) → 223 (2025/26), 114.

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	17	36	26.3	6
Senior Infants	17	29	25.0	6
1st Class	17	28	24.8	6
2nd Class	17	28	24.3	6
3rd Class	17	30	24.8	6
4th Class	19	30	25.5	6
5th Class	23	32	28.0	6
6th Class	23	31	27.2	6
Total	95	223	150.6	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 17

SI 2021/22 17

1st 2022/23 17

2nd 2023/24 17

3rd 2024/25 17

4th 2025/26 19

Cohort 2021/22

JI 2021/22 24

SI 2022/23 25

1st 2023/24 27

2nd 2024/25 27

3rd 2025/26 28

Cohort 2022/23

JI 2022/23 24

SI 2023/24 25

1st 2024/25 26

2nd 2025/26 28

Cohort 2023/24

JI 2023/24 27

SI 2024/25 27

1st 2025/26 28

Cohort 2024/25

JI 2024/25 30

-1

SI 2025/26 29

Cohort 2025/26

JI 2025/26 36

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1975/76	–	–	–	–	–	–	–	–	–	–	109
1976/77	68	73	–	–	–	–	–	–	–	–	141
1977/78	71	78	–	–	–	–	–	–	–	–	149
1978/79	73	83	–	–	–	–	–	–	–	–	156
1979/80	81	85	–	–	–	–	–	–	–	–	166
1980/81	81	88	–	–	–	–	–	–	–	–	169
1981/82	83	81	–	–	–	–	–	–	–	–	164
1982/83	90	82	–	–	–	–	–	–	–	–	172
1983/84	87	74	–	–	–	–	–	–	–	–	161
1993/94	51	80	–	–	–	–	–	–	–	–	131
1994/95	58	72	–	–	–	–	–	–	–	–	130
1995/96	60	67	–	–	–	–	–	–	–	–	127
1996/97	54	59	–	–	–	–	–	–	–	–	113
1997/98	57	46	–	–	–	–	–	–	–	–	103
1998/99	57	46	–	–	–	–	–	–	–	–	103
1999/00	54	51	–	–	–	–	–	–	–	–	105
2000/01	57	47	–	–	–	–	–	–	–	–	104
2001/02	49	46	–	–	–	–	–	–	–	–	95
2002/03	45	52	–	–	–	–	–	–	–	–	97
2003/04	43	53	–	–	–	–	–	–	–	–	96
2004/05	46	61	–	–	–	–	–	–	–	–	107
2005/06	43	75	–	–	–	–	–	–	–	–	118
2006/07	42	77	–	–	–	–	–	–	–	–	119
2007/08	53	67	–	–	–	–	–	–	–	–	120
2008/09	68	68	–	–	–	–	–	–	–	–	136
2009/10	74	74	–	–	–	–	–	–	–	–	148
2010/11	79	70	–	–	–	–	–	–	–	–	149
2011/12	81	74	–	–	–	–	–	–	–	–	155
2012/13	82	71	–	–	–	–	–	–	–	–	153
2013/14	81	70	–	–	–	–	–	–	–	–	151
2014/15	88	85	–	–	–	–	–	–	–	–	173
2015/16	90	93	–	–	–	–	–	–	–	–	183
2016/17	91	97	–	–	–	–	–	–	–	–	188
2017/18	94	93	–	–	–	–	–	–	–	–	187
2018/19	102	102	–	–	–	–	–	–	–	–	204
2019/20	107	100	–	–	–	–	–	–	–	–	207
2020/21	108	98	17	27	23	24	30	29	27	29	206
2021/22	103	97	24	17	28	22	23	30	29	27	200
2022/23	101	98	24	25	17	28	22	23	32	28	199
2023/24	99	105	27	25	27	17	29	23	25	31	204
2024/25	100	104	30	27	26	27	17	29	23	25	204
2025/26	108	115	36	29	28	28	28	19	32	23	223