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ST PATRICKS N SCHOOL

Roll number: 11525A Millbourne Avenue, Drumcondra, Dublin 9

School details

Address: Millbourne Avenue, Drumcondra, Dublin 9 (D09H008)
Email: [email protected]
Phone: 018372714
Principal: Natasha Bassett Principal
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Dublin City Council
School patron: Archbishop of Dublin
School type: Ordinary with Special Classes
School level: All-Through School
Planning area: Drumcondra_Marino_Dublin1

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

23.83

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	466	18	25.89	31	7
2007/08	459	18	25.50	31	5
2008/09	458	18	25.44	31	3
2009/10	462	18	25.67	31	4
2010/11	458	18	25.44	30	3
2011/12	466	18	25.89	30	4
2012/13	474	17	27.88	32	7
2013/14	474	18	26.33	30	3
2014/15	475	18	26.39	31	6
2015/16	476	18	26.44	32	7
2016/17	481	18	26.72	32	8
2017/18	478	18	26.56	31	6
2019/20	481	19	25.32	31	10
2020/21	458	19	24.11	31	4
2021/22	458	18	25.44	31	5
2022/23	446	19	23.47	31	8
2023/24	430	19	22.63	31	3
2024/25	435	18	24.17	30	3
2025/26	429	18	23.83	30	2

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 1975/76: 548 in 1974/75 → 786, +238 pupils.
Biggest loss in a single year: 1993/94: 708 in 1982/83 → 438, -270 pupils.
Largest single-class increase: Senior Infants in 2025/26 (50 → 67, +17).
Largest single-class decrease: 2nd Class in 2023/24 (62 → 44, -18).
Largest cohort-step gain: 2nd → 3rd in 2025/26 (57 → 61, +4).
Largest cohort-step loss: 2nd → 3rd in 2022/23 (65 → 60, -5).
Overall: 548 (1974/75) → 449 (2025/26), -99.

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	41	64	53.7	6
Senior Infants	42	67	53.3	6
1st Class	44	64	53.0	6
2nd Class	44	65	54.8	6
3rd Class	45	62	57.0	6
4th Class	48	62	57.2	6
5th Class	58	63	59.5	6
6th Class	57	62	58.8	6
Total	438	791	541.9	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 45

-1

SI 2021/22 44

1st 2022/23 44

2nd 2023/24 44

3rd 2024/25 45

4th 2025/26 48

Cohort 2021/22

JI 2021/22 58

-1

SI 2022/23 57

1st 2023/24 57

2nd 2024/25 57

3rd 2025/26 61

Cohort 2022/23

JI 2022/23 41

SI 2023/24 42

1st 2024/25 45

2nd 2025/26 45

Cohort 2023/24

JI 2023/24 50

SI 2024/25 50

-1

1st 2025/26 49

Cohort 2024/25

JI 2024/25 64

SI 2025/26 67

Cohort 2025/26

JI 2025/26 64

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	–	548	–	–	–	–	–	–	–	–	548
1975/76	–	–	–	–	–	–	–	–	–	–	786
1976/77	–	765	–	–	–	–	–	–	–	–	765
1977/78	–	791	–	–	–	–	–	–	–	–	791
1978/79	–	786	–	–	–	–	–	–	–	–	786
1979/80	–	765	–	–	–	–	–	–	–	–	765
1980/81	–	743	–	–	–	–	–	–	–	–	743
1981/82	–	729	–	–	–	–	–	–	–	–	729
1982/83	–	708	–	–	–	–	–	–	–	–	708
1993/94	3	435	–	–	–	–	–	–	–	–	438
1994/95	–	473	–	–	–	–	–	–	–	–	473
1995/96	–	511	–	–	–	–	–	–	–	–	511
1996/97	–	527	–	–	–	–	–	–	–	–	527
1997/98	1	527	–	–	–	–	–	–	–	–	528
1998/99	3	524	–	–	–	–	–	–	–	–	527
1999/00	2	538	–	–	–	–	–	–	–	–	540
2000/01	1	519	–	–	–	–	–	–	–	–	520
2001/02	4	507	–	–	–	–	–	–	–	–	511
2002/03	6	500	–	–	–	–	–	–	–	–	506
2003/04	5	495	–	–	–	–	–	–	–	–	500
2004/05	7	493	–	–	–	–	–	–	–	–	500
2005/06	5	496	–	–	–	–	–	–	–	–	501
2006/07	5	483	–	–	–	–	–	–	–	–	488
2007/08	4	477	–	–	–	–	–	–	–	–	481
2008/09	3	475	–	–	–	–	–	–	–	–	478
2009/10	2	473	–	–	–	–	–	–	–	–	475
2010/11	3	469	–	–	–	–	–	–	–	–	472
2011/12	5	475	–	–	–	–	–	–	–	–	480
2012/13	4	484	–	–	–	–	–	–	–	–	488
2013/14	4	484	–	–	–	–	–	–	–	–	488
2014/15	2	487	–	–	–	–	–	–	–	–	489
2015/16	6	484	–	–	–	–	–	–	–	–	490
2016/17	6	489	–	–	–	–	–	–	–	–	495
2017/18	4	488	–	–	–	–	–	–	–	–	492
2018/19	4	491	–	–	–	–	–	–	–	–	495
2019/20	3	492	–	–	–	–	–	–	–	–	495
2020/21	4	468	45	60	64	56	62	58	61	57	472
2021/22	4	468	58	44	59	65	55	62	58	59	472
2022/23	1	459	41	57	44	62	60	59	63	60	460
2023/24	4	440	50	42	57	44	59	57	59	62	444
2024/25	24	431	64	50	45	57	45	59	58	58	455
2025/26	50	399	64	67	49	45	61	48	58	57	449