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CORDUFF N S

Roll number: 19545A Blackcourt Road, Corduff, Blanchardstown, Dublin 15

School details

Address: Blackcourt Road, Corduff, Blanchardstown, Dublin 15 (D15KD21)
Email: [email protected]
Phone: 018211546
Principal: Áine Kirwan
Ethos: Catholic
DEIS: Y
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: Junior
Planning area: Mulhuddart_Tyrrelstown_D15

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

15.00

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
2006/07	324	17	19.06	22
2007/08	350	17	20.59	23
2008/09	345	17	20.29	23
2009/10	323	17	19.00	23
2010/11	290	16	18.12	21
2011/12	288	15	19.20	21
2012/13	274	14	19.57	22
2013/14	258	14	18.43	21
2014/15	248	14	17.71	20
2015/16	233	13	17.92	20
2016/17	228	12	19.00	24
2017/18	228	12	19.00	23
2019/20	204	12	17.00	20
2020/21	193	12	16.08	19
2021/22	181	11	16.45	19
2022/23	165	10	16.50	20
2023/24	167	10	16.70	20
2024/25	168	10	16.80	20
2025/26	150	10	15.00	20

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1978/79: 458 in 1977/78 → 749, +291 pupils.
Biggest loss in a single year: 1993/94: 606 in 1983/84 → 343, -263 pupils.
Largest single-class increase: 1st Class in 2025/26 (38 → 46, +8).
Largest single-class decrease: 1st Class in 2022/23 (51 → 40, -11).
Largest cohort-step gain: SI → 1st in 2021/22 (48 → 51, +3).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (55 → 0, -55).
Overall: 168 (1976/77) → 162 (2025/26), -6.

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	34	47	40.2	6
Senior Infants	38	48	43.0	6
1st Class	38	51	44.3	6
2nd Class	38	55	45.2	6
3rd Class	0	0	0.0	1
4th Class	0	0	0.0	1
5th Class	0	0	0.0	1
6th Class	0	0	0.0	1
Total	162	749	313.5	41

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 39

-1

SI 2021/22 38

1st 2022/23 40

-2

2nd 2023/24 38

-38

3rd 2024/25 0

4th 2025/26 0

Cohort 2021/22

JI 2021/22 38

SI 2022/23 39

1st 2023/24 40

-1

2nd 2024/25 39

-39

3rd 2025/26 0

Cohort 2022/23

JI 2022/23 40

SI 2023/24 42

-4

1st 2024/25 38

2nd 2025/26 39

Cohort 2023/24

JI 2023/24 47

SI 2024/25 48

-2

1st 2025/26 46

Cohort 2024/25

JI 2024/25 43

SI 2025/26 43

Cohort 2025/26

JI 2025/26 34

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1976/77	83	85	–	–	–	–	–	–	–	–	168
1977/78	227	231	–	–	–	–	–	–	–	–	458
1978/79	–	–	–	–	–	–	–	–	–	–	749
1979/80	280	310	–	–	–	–	–	–	–	–	590
1980/81	309	325	–	–	–	–	–	–	–	–	634
1981/82	300	324	–	–	–	–	–	–	–	–	624
1982/83	307	329	–	–	–	–	–	–	–	–	636
1983/84	294	312	–	–	–	–	–	–	–	–	606
1993/94	173	170	–	–	–	–	–	–	–	–	343
1994/95	169	155	–	–	–	–	–	–	–	–	324
1995/96	160	138	–	–	–	–	–	–	–	–	298
1996/97	130	143	–	–	–	–	–	–	–	–	273
1997/98	124	144	–	–	–	–	–	–	–	–	268
1998/99	110	123	–	–	–	–	–	–	–	–	233
1999/00	92	102	–	–	–	–	–	–	–	–	194
2000/01	105	100	–	–	–	–	–	–	–	–	205
2001/02	102	98	–	–	–	–	–	–	–	–	200
2002/03	114	99	–	–	–	–	–	–	–	–	213
2003/04	148	129	–	–	–	–	–	–	–	–	277
2004/05	150	157	–	–	–	–	–	–	–	–	307
2005/06	158	183	–	–	–	–	–	–	–	–	341
2006/07	157	180	–	–	–	–	–	–	–	–	337
2007/08	176	187	–	–	–	–	–	–	–	–	363
2008/09	157	194	–	–	–	–	–	–	–	–	351
2009/10	147	176	–	–	–	–	–	–	–	–	323
2010/11	137	153	–	–	–	–	–	–	–	–	290
2011/12	131	157	–	–	–	–	–	–	–	–	288
2012/13	139	135	–	–	–	–	–	–	–	–	274
2013/14	133	125	–	–	–	–	–	–	–	–	258
2014/15	120	128	–	–	–	–	–	–	–	–	248
2015/16	116	117	–	–	–	–	–	–	–	–	233
2016/17	113	115	–	–	–	–	–	–	–	–	228
2017/18	118	110	–	–	–	–	–	–	–	–	228
2018/19	122	106	–	–	–	–	–	–	–	–	228
2019/20	101	103	–	–	–	–	–	–	–	–	204
2020/21	91	102	39	48	51	55	–	–	–	–	193
2021/22	84	103	38	38	51	54	–	–	–	–	187
2022/23	77	94	40	39	40	46	–	–	–	–	171
2023/24	80	93	47	42	40	38	–	–	–	–	173
2024/25	79	95	43	48	38	39	–	–	–	–	174
2025/26	69	93	34	43	46	39	–	–	–	–	162