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SN EOIN BAISDE BOYS SENIOR SCHOOL

Roll number: 17936F Seafield Road, Clontarf, Dublin 3

School details

Address
Seafield Road, Clontarf, Dublin 3 (D03HK82)
Email
[email protected]
Phone
018331852
Principal
Conor Ryan
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
School level
Senior
Planning area
Killester_Raheny_Clontarf

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
26.42
2025/26
Mainstream classes
12
2025/26
Largest class group
28
2025/26
Classes with 30+ pupils
0
2025/26

Class group metrics trend

Class group metrics by year

Year Mainstream class pupils Mainstream classes Average class size Largest class Classes 30+
2006/07 340 12 28.33 32 6
2007/08 354 12 29.50 32 7
2008/09 349 12 29.08 30 5
2009/10 345 12 28.75 30 4
2010/11 338 12 28.17 31 4
2011/12 328 12 27.33 30 1
2012/13 320 12 26.67 28 0
2013/14 326 12 27.17 29 0
2014/15 324 12 27.00 29 0
2015/16 332 12 27.67 29 0
2016/17 331 12 27.58 30 2
2017/18 329 12 27.42 30 1
2019/20 331 12 27.58 29 0
2020/21 320 12 26.67 29 0
2021/22 317 12 26.42 28 0
2022/23 318 12 26.50 28 0
2023/24 319 12 26.58 28 0
2024/25 318 12 26.50 28 0
2025/26 317 12 26.42 28 0

Data highlights

Key numbers to spot outliers or notable changes.

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 0 0 0.0 1
Senior Infants 0 0 0.0 1
1st Class 0 0 0.0 1
2nd Class 0 0 0.0 1
3rd Class 80 82 80.8 6
4th Class 79 82 80.5 6
5th Class 76 82 79.3 6
6th Class 76 79 77.5 6
Total 312 643 385.5 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

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 2025/26
JI 2025/26 0

Raw data by year

Year Female Male JI SI 1st 2nd 3rd 4th 5th 6th Total
1974/75 – 643 – – – – – – – – 643
1975/76 – – – – – – – – – – 615
1976/77 – 590 – – – – – – – – 590
1977/78 – 584 – – – – – – – – 584
1978/79 – 628 – – – – – – – – 628
1979/80 – 607 – – – – – – – – 607
1980/81 – 607 – – – – – – – – 607
1981/82 – 546 – – – – – – – – 546
1982/83 – 517 – – – – – – – – 517
1993/94 – 354 – – – – – – – – 354
1994/95 – 359 – – – – – – – – 359
1995/96 – 321 – – – – – – – – 321
1996/97 – 320 – – – – – – – – 320
1997/98 – 325 – – – – – – – – 325
1998/99 – 312 – – – – – – – – 312
1999/00 – 314 – – – – – – – – 314
2000/01 – 321 – – – – – – – – 321
2001/02 – 317 – – – – – – – – 317
2002/03 – 324 – – – – – – – – 324
2003/04 – 325 – – – – – – – – 325
2004/05 – 329 – – – – – – – – 329
2005/06 – 348 – – – – – – – – 348
2006/07 – 340 – – – – – – – – 340
2007/08 – 354 – – – – – – – – 354
2008/09 – 349 – – – – – – – – 349
2009/10 – 345 – – – – – – – – 345
2010/11 – 338 – – – – – – – – 338
2011/12 – 328 – – – – – – – – 328
2012/13 – 320 – – – – – – – – 320
2013/14 – 326 – – – – – – – – 326
2014/15 – 324 – – – – – – – – 324
2015/16 – 332 – – – – – – – – 332
2016/17 – 331 – – – – – – – – 331
2017/18 – 329 – – – – – – – – 329
2018/19 – 331 – – – – – – – – 331
2019/20 – 331 – – – – – – – – 331
2020/21 – 320 – – – – 80 81 82 77 320
2021/22 – 317 – – – – 81 82 76 78 317
2022/23 – 318 – – – – 81 81 79 77 318
2023/24 – 319 – – – – 80 80 81 78 319
2024/25 – 318 – – – – 81 79 79 79 318
2025/26 – 317 – – – – 82 80 79 76 317