Home · By area · Release notes. Enrolment by planning area, local authority, school patron, county.

BOOTERSTOWN BOYS

Roll number: 06200O Grotto Place, Booterstown, Blackrock, Co. Dublin

School details

Address: Grotto Place, Booterstown, Blackrock, Co. Dublin (A94AC97)
Email: [email protected]
Phone: 012886830
Principal: Noel Scully
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 with Special Classes
School level: All-Through School
Planning area: Booterstown_Blackrock

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

22.75

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	210	8	26.25	33	2
2007/08	211	8	26.38	32	2
2008/09	207	8	25.88	32	2
2009/10	195	8	24.38	31	2
2010/11	209	7	29.86	34	4
2011/12	231	8	28.88	33	5
2012/13	248	9	27.56	34	3
2013/14	248	9	27.56	33	4
2014/15	263	10	26.30	33	3
2015/16	291	11	26.45	31	2
2016/17	297	12	24.75	29	0
2017/18	311	13	23.92	29	0
2019/20	307	13	23.62	32	1
2020/21	290	13	22.31	36	2
2021/22	259	12	21.58	29	0
2022/23	249	10	24.90	36	1
2023/24	221	10	22.10	30	2
2024/25	202	9	22.44	28	0
2025/26	182	8	22.75	29	0

Data highlights

Key numbers to spot outliers or notable changes.

Biggest gain in a single year: 2001/02: 167 in 2000/01 → 196, +29 pupils.
Biggest loss in a single year: 1982/83: 137 in 1981/82 → 99, -38 pupils.
Largest single-class increase: 1st Class in 2022/23 (27 → 41, +14).
Largest single-class decrease: 1st Class in 2021/22 (42 → 27, -15).
Largest cohort-step gain: SI → 1st in 2023/24 (25 → 30, +5).
Largest cohort-step loss: 2nd → 3rd in 2021/22 (38 → 28, -10).
Overall: 260 (1974/75) → 188 (2025/26), -72.

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	15	36	24.7	6
Senior Infants	23	38	28.2	6
1st Class	26	42	32.5	6
2nd Class	27	38	31.5	6
3rd Class	21	37	27.5	6
4th Class	21	42	30.5	6
5th Class	21	43	31.2	6
6th Class	22	37	29.0	6
Total	86	326	207.2	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 36

SI 2021/22 38

1st 2022/23 41

-7

2nd 2023/24 34

-6

3rd 2024/25 28

-1

4th 2025/26 27

Cohort 2021/22

JI 2021/22 22

SI 2022/23 25

1st 2023/24 30

-3

2nd 2024/25 27

-6

3rd 2025/26 21

Cohort 2022/23

JI 2022/23 25

-2

SI 2023/24 23

1st 2024/25 26

2nd 2025/26 28

Cohort 2023/24

JI 2023/24 28

SI 2024/25 28

1st 2025/26 29

Cohort 2024/25

JI 2024/25 22

SI 2025/26 25

Cohort 2025/26

JI 2025/26 15

Raw data by year

Year	Female	Male	JI	SI	1st	2nd	3rd	4th	5th	6th	Total
1974/75	–	260	–	–	–	–	–	–	–	–	260
1975/76	–	–	–	–	–	–	–	–	–	–	235
1976/77	–	222	–	–	–	–	–	–	–	–	222
1977/78	–	209	–	–	–	–	–	–	–	–	209
1978/79	–	–	–	–	–	–	–	–	–	–	205
1979/80	–	171	–	–	–	–	–	–	–	–	171
1980/81	–	166	–	–	–	–	–	–	–	–	166
1981/82	–	137	–	–	–	–	–	–	–	–	137
1982/83	–	99	–	–	–	–	–	–	–	–	99
1983/84	–	86	–	–	–	–	–	–	–	–	86
1993/94	–	100	–	–	–	–	–	–	–	–	100
1994/95	–	95	–	–	–	–	–	–	–	–	95
1995/96	–	105	–	–	–	–	–	–	–	–	105
1996/97	–	113	–	–	–	–	–	–	–	–	113
1997/98	–	139	–	–	–	–	–	–	–	–	139
1998/99	–	164	–	–	–	–	–	–	–	–	164
1999/00	–	190	–	–	–	–	–	–	–	–	190
2000/01	–	167	–	–	–	–	–	–	–	–	167
2001/02	–	196	–	–	–	–	–	–	–	–	196
2002/03	–	222	–	–	–	–	–	–	–	–	222
2003/04	–	223	–	–	–	–	–	–	–	–	223
2004/05	–	219	–	–	–	–	–	–	–	–	219
2005/06	–	211	–	–	–	–	–	–	–	–	211
2006/07	–	210	–	–	–	–	–	–	–	–	210
2007/08	–	211	–	–	–	–	–	–	–	–	211
2008/09	–	207	–	–	–	–	–	–	–	–	207
2009/10	–	195	–	–	–	–	–	–	–	–	195
2010/11	–	209	–	–	–	–	–	–	–	–	209
2011/12	–	231	–	–	–	–	–	–	–	–	231
2012/13	–	248	–	–	–	–	–	–	–	–	248
2013/14	–	248	–	–	–	–	–	–	–	–	248
2014/15	–	263	–	–	–	–	–	–	–	–	263
2015/16	–	291	–	–	–	–	–	–	–	–	291
2016/17	–	297	–	–	–	–	–	–	–	–	297
2017/18	–	311	–	–	–	–	–	–	–	–	311
2018/19	–	326	–	–	–	–	–	–	–	–	326
2019/20	–	307	–	–	–	–	–	–	–	–	307
2020/21	–	290	36	30	42	38	37	42	36	29	290
2021/22	–	259	22	38	27	34	28	38	43	29	259
2022/23	–	249	25	25	41	28	29	28	36	37	249
2023/24	–	227	28	23	30	34	22	27	27	30	227
2024/25	–	208	22	28	26	27	28	21	24	27	208
2025/26	–	188	15	25	29	28	21	27	21	22	188