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BALLYROAN B N S

Roll number: 03359N Ballyroan Road, Rathfarnham, Dublin 16

School details

Address
Ballyroan Road, Rathfarnham, Dublin 16 (D16YX54)
Email
[email protected]
Phone
014931805
Principal
Desmond Morris
Ethos
Catholic
DEIS
N
Irish classification
No subjects through Irish
Gaeltacht
N
Island
N
Local authority
South Dublin County Council
School patron
Archbishop of Dublin
School type
Ordinary
School level
Senior
Planning area
Rathfarnham

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
23.44
2025/26
Mainstream classes
16
2025/26
Largest class group
31
2025/26
Classes with 30+ pupils
2
2025/26

Class group metrics trend

Class group metrics by year

Year Mainstream class pupils Mainstream classes Average class size Largest class Classes 30+
2006/07 278 12 23.17 28 0
2007/08 286 11 26.00 31 2
2008/09 288 12 24.00 29 0
2009/10 299 12 24.92 30 1
2010/11 315 12 26.25 28 0
2011/12 328 12 27.33 30 2
2012/13 357 13 27.46 32 6
2013/14 359 13 27.62 33 5
2014/15 351 13 27.00 32 3
2015/16 356 13 27.38 33 5
2016/17 367 13 28.23 34 5
2017/18 375 13 28.85 34 7
2019/20 401 15 26.73 31 5
2020/21 404 15 26.93 31 4
2021/22 392 15 26.13 32 6
2022/23 403 16 25.19 32 4
2023/24 401 16 25.06 31 2
2024/25 388 16 24.25 31 2
2025/26 375 16 23.44 31 2

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 49 69 58.7 6
2nd Class 51 73 64.3 6
3rd Class 52 74 65.8 6
4th Class 60 73 67.8 6
5th Class 62 74 68.2 6
6th Class 61 77 69.0 6
Total 264 644 383.4 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 – 644 – – – – – – – – 644
1975/76 – – – – – – – – – – 643
1976/77 – 643 – – – – – – – – 643
1977/78 – 634 – – – – – – – – 634
1978/79 – 608 – – – – – – – – 608
1979/80 – 553 – – – – – – – – 553
1980/81 – 510 – – – – – – – – 510
1981/82 – 460 – – – – – – – – 460
1982/83 – 418 – – – – – – – – 418
1993/94 – 321 – – – – – – – – 321
1994/95 – 336 – – – – – – – – 336
1995/96 – 328 – – – – – – – – 328
1996/97 – 332 – – – – – – – – 332
1997/98 – 312 – – – – – – – – 312
1998/99 – 316 – – – – – – – – 316
1999/00 – 302 – – – – – – – – 302
2000/01 – 276 – – – – – – – – 276
2001/02 – 274 – – – – – – – – 274
2002/03 – 281 – – – – – – – – 281
2003/04 – 273 – – – – – – – – 273
2004/05 – 272 – – – – – – – – 272
2005/06 – 264 – – – – – – – – 264
2006/07 – 278 – – – – – – – – 278
2007/08 – 286 – – – – – – – – 286
2008/09 – 288 – – – – – – – – 288
2009/10 – 299 – – – – – – – – 299
2010/11 – 315 – – – – – – – – 315
2011/12 – 328 – – – – – – – – 328
2012/13 – 357 – – – – – – – – 357
2013/14 – 359 – – – – – – – – 359
2014/15 – 351 – – – – – – – – 351
2015/16 – 356 – – – – – – – – 356
2016/17 – 367 – – – – – – – – 367
2017/18 – 375 – – – – – – – – 375
2018/19 – 379 – – – – – – – – 379
2019/20 – 401 – – – – – – – – 401
2020/21 – 404 – – 58 73 74 60 62 77 404
2021/22 – 392 – – 63 60 71 73 63 62 392
2022/23 – 403 – – 69 66 61 70 74 63 403
2023/24 – 401 – – 49 73 66 62 74 77 401
2024/25 – 388 – – 61 51 71 69 62 74 388
2025/26 – 375 – – 52 63 52 73 74 61 375