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ST MARYS JNR B N S

Roll number: 16344V St Flannan Street, Nenagh, Co. Tipperary

School details

Address: St Flannan Street, Nenagh, Co. Tipperary (E45W880)
Email: [email protected]
Phone: 06732005
Principal: John Gunnell
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Tipperary (Nr) County Council
School patron: Tipperary ETB
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Nenagh

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

25.86

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	140	6	23.33	29	0
2007/08	140	6	23.33	27	0
2008/09	139	6	23.17	25	0
2009/10	135	6	22.50	27	0
2010/11	131	6	21.83	24	0
2011/12	128	5	25.60	29	0
2012/13	122	5	24.40	32	1
2013/14	127	5	25.40	29	0
2014/15	142	5	28.40	30	2
2015/16	156	6	26.00	28	0
2016/17	156	7	22.29	28	0
2017/18	142	7	20.29	25	0
2019/20	127	6	21.17	23	0
2020/21	135	6	22.50	25	0
2021/22	140	6	23.33	26	0
2022/23	142	6	23.67	27	0
2023/24	147	6	24.50	32	1
2024/25	160	7	22.86	32	1
2025/26	181	7	25.86	34	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2000/01: 138 in 1999/00 → 162, +24 pupils.
Biggest loss in a single year: 1993/94: 243 in 1983/84 → 148, -95 pupils.
Largest single-class increase: Junior Infants in 2025/26 (25 → 38, +13).
Largest single-class decrease: 1st Class in 2024/25 (42 → 24, -18).
Largest cohort-step gain: SI → 1st in 2025/26 (20 → 24, +4).
Largest cohort-step loss: 1st → 2nd in 2021/22 (38 → 0, -38).
Overall: 236 (1974/75) → 200 (2025/26), -36.

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	21	48	33.3	6
Senior Infants	20	51	35.2	6
1st Class	24	50	37.7	6
2nd Class	25	34	29.0	4
3rd Class	26	34	30.7	3
4th Class	25	29	27.0	2
5th Class	25	25	25.0	1
6th Class	0	0	0.0	1
Total	129	249	170.2	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 48

SI 2021/22 51

-1

1st 2022/23 50

-18

2nd 2023/24 32

3rd 2024/25 32

-3

4th 2025/26 29

Cohort 2021/22

JI 2021/22 41

-1

SI 2022/23 40

1st 2023/24 42

-8

2nd 2024/25 34

3rd 2025/26 34

Cohort 2022/23

JI 2022/23 27

-1

SI 2023/24 26

-2

1st 2024/25 24

2nd 2025/26 25

Cohort 2023/24

JI 2023/24 21

-1

SI 2024/25 20

1st 2025/26 24

Cohort 2024/25

JI 2024/25 25

SI 2025/26 25

Cohort 2025/26

JI 2025/26 38

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	–	236	–	–	–	–	–	–	–	–	236
1976/77	–	236	–	–	–	–	–	–	–	–	236
1977/78	–	225	–	–	–	–	–	–	–	–	225
1978/79	–	234	–	–	–	–	–	–	–	–	234
1979/80	–	233	–	–	–	–	–	–	–	–	233
1980/81	–	245	–	–	–	–	–	–	–	–	245
1981/82	–	249	–	–	–	–	–	–	–	–	249
1982/83	–	245	–	–	–	–	–	–	–	–	245
1983/84	–	243	–	–	–	–	–	–	–	–	243
1993/94	–	148	–	–	–	–	–	–	–	–	148
1994/95	1	151	–	–	–	–	–	–	–	–	152
1995/96	1	140	–	–	–	–	–	–	–	–	141
1996/97	–	147	–	–	–	–	–	–	–	–	147
1997/98	2	145	–	–	–	–	–	–	–	–	147
1998/99	–	134	–	–	–	–	–	–	–	–	134
1999/00	2	136	–	–	–	–	–	–	–	–	138
2000/01	1	161	–	–	–	–	–	–	–	–	162
2001/02	1	150	–	–	–	–	–	–	–	–	151
2002/03	2	145	–	–	–	–	–	–	–	–	147
2003/04	–	143	–	–	–	–	–	–	–	–	143
2004/05	–	136	–	–	–	–	–	–	–	–	136
2005/06	–	155	–	–	–	–	–	–	–	–	155
2006/07	2	145	–	–	–	–	–	–	–	–	147
2007/08	4	143	–	–	–	–	–	–	–	–	147
2008/09	–	146	–	–	–	–	–	–	–	–	146
2009/10	1	141	–	–	–	–	–	–	–	–	142
2010/11	1	137	–	–	–	–	–	–	–	–	138
2011/12	2	133	–	–	–	–	–	–	–	–	135
2012/13	1	128	–	–	–	–	–	–	–	–	129
2013/14	4	136	–	–	–	–	–	–	–	–	140
2014/15	7	153	–	–	–	–	–	–	–	–	160
2015/16	7	168	–	–	–	–	–	–	–	–	175
2016/17	2	173	–	–	–	–	–	–	–	–	175
2017/18	3	157	–	–	–	–	–	–	–	–	160
2018/19	4	146	–	–	–	–	–	–	–	–	150
2019/20	3	143	–	–	–	–	–	–	–	–	146
2020/21	3	147	48	49	38	–	–	–	–	–	150
2021/22	4	155	41	51	48	–	–	–	–	–	159
2022/23	6	152	27	40	50	25	–	–	–	–	158
2023/24	16	150	21	26	42	32	26	–	–	–	166
2024/25	25	153	25	20	24	34	32	25	–	–	178
2025/26	23	177	38	25	24	25	34	29	25	–	200