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RATHMICHAEL N S

Roll number: 11873A Rathmichael, Shankill, Co. Dublin

School details

Address: Rathmichael, Shankill, Co. Dublin (D18ET38)
Email: [email protected]
Phone: 012824794
Principal: Caroline Senior
Ethos: Church Of Ireland
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Dun Laoghaire Rathdown
School patron: Archbishop of Dublin & Bishop of Glendalough COI
School type: Ordinary
School level: All-Through School
Planning area: Ballybrack_Shankill_DLR

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

25.62

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	223	8	27.88	34	3
2007/08	228	8	28.50	34	3
2008/09	221	8	27.62	34	2
2009/10	214	8	26.75	31	1
2010/11	207	8	25.88	28	0
2011/12	214	8	26.75	30	1
2012/13	222	8	27.75	32	2
2013/14	225	8	28.12	32	2
2014/15	224	8	28.00	31	1
2015/16	212	8	26.50	29	0
2016/17	218	8	27.25	30	1
2017/18	219	8	27.38	30	1
2019/20	218	8	27.25	28	0
2020/21	218	8	27.25	28	0
2021/22	208	8	26.00	29	0
2022/23	202	8	25.25	28	0
2023/24	207	8	25.88	29	0
2024/25	203	8	25.38	29	0
2025/26	205	8	25.62	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1975/76: 140 in 1974/75 → 173, +33 pupils.
Biggest loss in a single year: 2000/01: 245 in 1999/00 → 230, -15 pupils.
Largest single-class increase: 1st Class in 2025/26 (21 → 26, +5).
Largest single-class decrease: 6th Class in 2022/23 (29 → 24, -5).
Largest cohort-step gain: SI → 1st in 2022/23 (24 → 26, +2).
Largest cohort-step loss: 5th → 6th in 2022/23 (28 → 24, -4).
Overall: 140 (1974/75) → 205 (2025/26), 65.

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	27	24.2	6
Senior Infants	22	26	24.5	6
1st Class	21	28	24.8	6
2nd Class	21	28	25.2	6
3rd Class	24	28	26.3	6
4th Class	26	29	27.3	6
5th Class	27	29	28.0	6
6th Class	24	29	26.8	6
Total	140	245	217.6	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 27

-3

SI 2021/22 24

1st 2022/23 26

2nd 2023/24 27

3rd 2024/25 27

-1

4th 2025/26 26

Cohort 2021/22

JI 2021/22 23

SI 2022/23 23

1st 2023/24 23

2nd 2024/25 23

3rd 2025/26 24

Cohort 2022/23

JI 2022/23 21

SI 2023/24 22

-1

1st 2024/25 21

2nd 2025/26 21

Cohort 2023/24

JI 2023/24 25

SI 2024/25 26

1st 2025/26 26

Cohort 2024/25

JI 2024/25 24

SI 2025/26 26

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	72	68	–	–	–	–	–	–	–	–	140
1975/76	–	–	–	–	–	–	–	–	–	–	173
1976/77	90	108	–	–	–	–	–	–	–	–	198
1977/78	92	114	–	–	–	–	–	–	–	–	206
1978/79	–	–	–	–	–	–	–	–	–	–	215
1979/80	104	129	–	–	–	–	–	–	–	–	233
1980/81	99	122	–	–	–	–	–	–	–	–	221
1981/82	97	122	–	–	–	–	–	–	–	–	219
1982/83	102	119	–	–	–	–	–	–	–	–	221
1983/84	106	130	–	–	–	–	–	–	–	–	236
1993/94	111	114	–	–	–	–	–	–	–	–	225
1994/95	96	124	–	–	–	–	–	–	–	–	220
1995/96	101	131	–	–	–	–	–	–	–	–	232
1996/97	104	126	–	–	–	–	–	–	–	–	230
1997/98	106	133	–	–	–	–	–	–	–	–	239
1998/99	104	131	–	–	–	–	–	–	–	–	235
1999/00	108	137	–	–	–	–	–	–	–	–	245
2000/01	103	127	–	–	–	–	–	–	–	–	230
2001/02	104	126	–	–	–	–	–	–	–	–	230
2002/03	110	127	–	–	–	–	–	–	–	–	237
2003/04	106	116	–	–	–	–	–	–	–	–	222
2004/05	104	117	–	–	–	–	–	–	–	–	221
2005/06	109	115	–	–	–	–	–	–	–	–	224
2006/07	105	118	–	–	–	–	–	–	–	–	223
2007/08	114	114	–	–	–	–	–	–	–	–	228
2008/09	109	112	–	–	–	–	–	–	–	–	221
2009/10	102	112	–	–	–	–	–	–	–	–	214
2010/11	102	105	–	–	–	–	–	–	–	–	207
2011/12	107	107	–	–	–	–	–	–	–	–	214
2012/13	113	109	–	–	–	–	–	–	–	–	222
2013/14	116	109	–	–	–	–	–	–	–	–	225
2014/15	116	108	–	–	–	–	–	–	–	–	224
2015/16	106	106	–	–	–	–	–	–	–	–	212
2016/17	112	106	–	–	–	–	–	–	–	–	218
2017/18	113	106	–	–	–	–	–	–	–	–	219
2018/19	105	111	–	–	–	–	–	–	–	–	216
2019/20	108	110	–	–	–	–	–	–	–	–	218
2020/21	112	106	27	26	28	25	28	28	28	28	218
2021/22	105	103	23	24	25	28	24	27	28	29	208
2022/23	95	107	21	23	26	27	28	26	27	24	202
2023/24	102	105	25	22	23	27	27	29	27	27	207
2024/25	102	101	24	26	21	23	27	28	29	25	203
2025/26	108	97	25	26	26	21	24	26	29	28	205