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SCOIL NAIS CAITRIONA

Roll number: 19624T The Avenue, Rush, Co. Dublin

School details

Address: The Avenue, Rush, Co. Dublin (K56TY32)
Email: [email protected]
Phone: 018438266
Principal: Gerard O'Shea
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Fingal County Council
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Rush&Lusk

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

23.27

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	268	10	26.80	35	4
2007/08	321	11	29.18	32	6
2008/09	317	12	26.42	29	0
2009/10	326	12	27.17	31	3
2010/11	323	12	26.92	31	2
2011/12	325	12	27.08	31	4
2012/13	328	12	27.33	35	5
2013/14	306	12	25.50	31	4
2014/15	316	12	26.33	33	4
2015/16	285	12	23.75	34	1
2016/17	288	11	26.18	31	2
2017/18	309	12	25.75	32	4
2019/20	322	13	24.77	31	1
2020/21	322	13	24.77	31	1
2021/22	331	13	25.46	29	0
2022/23	319	14	22.79	30	1
2023/24	287	14	20.50	27	0
2024/25	261	13	20.08	25	0
2025/26	256	11	23.27	26	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2007/08: 268 in 2006/07 → 321, +53 pupils.
Biggest loss in a single year: 2023/24: 337 in 2022/23 → 305, -32 pupils.
Largest single-class increase: 6th Class in 2021/22 (43 → 55, +12).
Largest single-class decrease: 4th Class in 2024/25 (50 → 34, -16).
Largest cohort-step gain: 4th → 5th in 2021/22 (43 → 50, +7).
Largest cohort-step loss: JI → SI in 2021/22 (30 → 28, -2).
Overall: 38 (1979/80) → 274 (2025/26), 236.

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	32	26.2	6
Senior Infants	19	34	28.2	6
1st Class	24	43	33.2	6
2nd Class	27	45	37.8	6
3rd Class	28	49	39.0	6
4th Class	33	50	41.2	6
5th Class	36	50	45.3	6
6th Class	43	55	49.7	6
Total	38	349	234.0	38

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 30

-2

SI 2021/22 28

1st 2022/23 28

-1

2nd 2023/24 27

3rd 2024/25 28

4th 2025/26 33

Cohort 2021/22

JI 2021/22 31

-1

SI 2022/23 30

1st 2023/24 32

2nd 2024/25 32

3rd 2025/26 37

Cohort 2022/23

JI 2022/23 32

SI 2023/24 34

1st 2024/25 37

2nd 2025/26 43

Cohort 2023/24

JI 2023/24 21

-2

SI 2024/25 19

1st 2025/26 24

Cohort 2024/25

JI 2024/25 20

SI 2025/26 26

Cohort 2025/26

JI 2025/26 23

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1979/80	9	29	–	–	–	–	–	–	–	–	38
1980/81	19	43	–	–	–	–	–	–	–	–	62
1981/82	34	52	–	–	–	–	–	–	–	–	86
1982/83	55	64	–	–	–	–	–	–	–	–	119
1983/84	65	67	–	–	–	–	–	–	–	–	132
1993/94	83	89	–	–	–	–	–	–	–	–	172
1994/95	77	87	–	–	–	–	–	–	–	–	164
1995/96	68	86	–	–	–	–	–	–	–	–	154
1996/97	67	82	–	–	–	–	–	–	–	–	149
1997/98	66	76	–	–	–	–	–	–	–	–	142
1998/99	73	86	–	–	–	–	–	–	–	–	159
1999/00	70	72	–	–	–	–	–	–	–	–	142
2000/01	69	81	–	–	–	–	–	–	–	–	150
2001/02	77	78	–	–	–	–	–	–	–	–	155
2002/03	84	79	–	–	–	–	–	–	–	–	163
2003/04	103	90	–	–	–	–	–	–	–	–	193
2004/05	100	87	–	–	–	–	–	–	–	–	187
2005/06	115	122	–	–	–	–	–	–	–	–	237
2006/07	134	134	–	–	–	–	–	–	–	–	268
2007/08	162	159	–	–	–	–	–	–	–	–	321
2008/09	164	153	–	–	–	–	–	–	–	–	317
2009/10	162	164	–	–	–	–	–	–	–	–	326
2010/11	169	154	–	–	–	–	–	–	–	–	323
2011/12	172	153	–	–	–	–	–	–	–	–	325
2012/13	164	164	–	–	–	–	–	–	–	–	328
2013/14	147	159	–	–	–	–	–	–	–	–	306
2014/15	146	170	–	–	–	–	–	–	–	–	316
2015/16	134	151	–	–	–	–	–	–	–	–	285
2016/17	128	166	–	–	–	–	–	–	–	–	294
2017/18	154	167	–	–	–	–	–	–	–	–	321
2018/19	154	194	–	–	–	–	–	–	–	–	348
2019/20	152	182	–	–	–	–	–	–	–	–	334
2020/21	157	177	30	32	43	44	39	43	48	43	334
2021/22	160	189	31	28	35	45	45	42	50	55	349
2022/23	161	176	32	30	28	36	49	45	44	55	337
2023/24	152	153	21	34	32	27	36	50	44	46	305
2024/25	141	137	20	19	37	32	28	34	50	47	278
2025/26	125	149	23	26	24	43	37	33	36	52	274