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SCOIL PADRAIG NAOFA B

Roll number: 19258U Hollypark, Blackrock, Co. Dublin

School details

Address: Hollypark, Blackrock, Co. Dublin (A94FE02)
Email: [email protected]
Phone: 012896042
Principal: Barry O'Donovan
Ethos: Catholic
DEIS: N
Irish classification: No subjects through Irish
Gaeltacht: N
Island: N
Local authority: Dun Laoghaire Rathdown
School patron: Archbishop of Dublin
School type: Ordinary
School level: All-Through School
Planning area: Dunlaoghaire

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

23.48

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	702	24	29.25	34	12
2007/08	568	24	23.67	28	0
2008/09	568	24	23.67	27	0
2009/10	560	24	23.33	26	0
2010/11	576	24	24.00	27	0
2011/12	583	23	25.35	32	5
2012/13	593	22	26.95	32	7
2013/14	606	22	27.55	32	8
2014/15	635	23	27.61	32	8
2015/16	647	24	26.96	30	5
2016/17	638	24	26.58	29	0
2017/18	654	24	27.25	31	2
2019/20	623	24	25.96	29	0
2020/21	608	24	25.33	29	0
2021/22	582	24	24.25	29	0
2022/23	548	24	22.83	26	0
2023/24	534	23	23.22	30	2
2024/25	507	22	23.05	32	2
2025/26	493	21	23.48	30	1

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2006/07: 600 in 2005/06 → 702, +102 pupils.
Biggest loss in a single year: 2007/08: 702 in 2006/07 → 568, -134 pupils.
Largest single-class increase: 6th Class in 2025/26 (55 → 73, +18).
Largest single-class decrease: 6th Class in 2022/23 (81 → 63, -18).
Largest cohort-step gain: JI → SI in 2025/26 (56 → 63, +7).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (80 → 67, -13).
Overall: 741 (1974/75) → 499 (2025/26), -242.

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	53	74	64.8	6
Senior Infants	63	77	69.2	6
1st Class	63	82	71.2	6
2nd Class	60	80	70.5	6
3rd Class	54	72	65.2	6
4th Class	62	75	67.3	6
5th Class	59	81	69.5	6
6th Class	55	81	68.7	6
Total	499	785	667.0	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 74

SI 2021/22 77

-5

1st 2022/23 72

-7

2nd 2023/24 65

-3

3rd 2024/25 62

4th 2025/26 64

Cohort 2021/22

JI 2021/22 68

SI 2022/23 68

-2

1st 2023/24 66

-6

2nd 2024/25 60

-6

3rd 2025/26 54

Cohort 2022/23

JI 2022/23 73

SI 2023/24 73

1st 2024/25 73

-3

2nd 2025/26 70

Cohort 2023/24

JI 2023/24 65

-2

SI 2024/25 63

1st 2025/26 63

Cohort 2024/25

JI 2024/25 56

SI 2025/26 63

Cohort 2025/26

JI 2025/26 53

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	–	741	–	–	–	–	–	–	–	–	741
1975/76	–	–	–	–	–	–	–	–	–	–	769
1976/77	–	785	–	–	–	–	–	–	–	–	785
1977/78	–	776	–	–	–	–	–	–	–	–	776
1978/79	–	–	–	–	–	–	–	–	–	–	756
1979/80	–	718	–	–	–	–	–	–	–	–	718
1980/81	–	712	–	–	–	–	–	–	–	–	712
1981/82	–	730	–	–	–	–	–	–	–	–	730
1982/83	–	706	–	–	–	–	–	–	–	–	706
1983/84	–	697	–	–	–	–	–	–	–	–	697
1993/94	–	764	–	–	–	–	–	–	–	–	764
1994/95	–	749	–	–	–	–	–	–	–	–	749
1995/96	–	759	–	–	–	–	–	–	–	–	759
1996/97	–	748	–	–	–	–	–	–	–	–	748
1997/98	–	732	–	–	–	–	–	–	–	–	732
1998/99	–	719	–	–	–	–	–	–	–	–	719
1999/00	–	716	–	–	–	–	–	–	–	–	716
2000/01	–	721	–	–	–	–	–	–	–	–	721
2001/02	–	727	–	–	–	–	–	–	–	–	727
2002/03	–	751	–	–	–	–	–	–	–	–	751
2003/04	–	731	–	–	–	–	–	–	–	–	731
2004/05	–	691	–	–	–	–	–	–	–	–	691
2005/06	–	600	–	–	–	–	–	–	–	–	600
2006/07	–	702	–	–	–	–	–	–	–	–	702
2007/08	–	568	–	–	–	–	–	–	–	–	568
2008/09	–	568	–	–	–	–	–	–	–	–	568
2009/10	–	560	–	–	–	–	–	–	–	–	560
2010/11	–	576	–	–	–	–	–	–	–	–	576
2011/12	–	583	–	–	–	–	–	–	–	–	583
2012/13	–	593	–	–	–	–	–	–	–	–	593
2013/14	–	606	–	–	–	–	–	–	–	–	606
2014/15	–	635	–	–	–	–	–	–	–	–	635
2015/16	–	647	–	–	–	–	–	–	–	–	647
2016/17	–	638	–	–	–	–	–	–	–	–	638
2017/18	–	654	–	–	–	–	–	–	–	–	654
2018/19	–	649	–	–	–	–	–	–	–	–	649
2019/20	–	623	–	–	–	–	–	–	–	–	623
2020/21	–	608	74	71	82	80	71	69	81	80	608
2021/22	–	582	68	77	71	80	67	68	70	81	582
2022/23	–	548	73	68	72	68	72	66	66	63	548
2023/24	–	534	65	73	66	65	65	75	65	60	534
2024/25	–	512	56	63	73	60	62	62	76	55	512
2025/26	–	499	53	63	63	70	54	64	59	73	499